User's manual of MTPR-840Hc transformer backup protection and monitoring device V1.03

Zhuhai Wanlida Electrical Automation Co., Ltd. http://www.zhwld.com User’s manual of MTPR-840Hc transformer backup protection and monitoring device Prepared by： Qiu Lei Proofed by： Li Changwen Approved by：Lin Cunli Document No.: WLD [K]-JY-314-2018 Version No.: V1.03.01 Date of publication: June, 2018 Copyright: Zhuhai Wanlida Electrical Automation Co., Ltd. Note: Our Company reserves the right to modify this manual. For any inconsistency between the product and this manual, please contact us for relevant services. Technical support hotline: 0756-3395398 Fax: 0756-3395111 Foreword F o r e w o r d 1. Model description MTPR-840Hc device supports the transformer protection for the high voltage side, also monitoring and controlling function. Its structural type is Hc. 2. Standards referenced General specification for static protection, security and automatic equipment, DL 478-2001 Technical code for relaying protection and security automatic equipment GB/T 14285-2006 Protective relay and automatic equipment design rules of power equipment GB50062-92 Transformer substation correspondence network and system DL/T 860 Intelligent substation technology norms Q／GDW 383 -2009 Intelligent substation relay protection technical specifications Q／GDW_441-2010 IEC61850 engineering application model Q／GDW 396-2010 3. Caution  Negative sequence voltage involved in this device of protection function is combined with phase voltage, all of low voltage component depend on line voltage in compound voltage block, if one of the three line voltages is lower than low voltage setting, low voltage component will operates and unblocks over current protection.  The appearance should be inspected before power is applied, to ensure that the panel is OK without scratch, the screws are tightened, the device is grounded firmly, all screws of plug-ins are tightened and in good contact.  When power is applied, the “Run” indicator on the panel should flash, protection and measuring data are displayed on the LCD in cycle.  The terminal D25～D28 are measuring circuit of 4～20mA DC signal, when testing, Signal should be supplied by special equipment, the behavior of applying the signal of Relay protection tester directly is prohibited. (Optional)  When the device is equipped with ungrounded system, terminal D07, D08 are zero sequence small current input terminal, the AC current input should be limited within 2A, the measuring current input should be limited within 6A. When testing, pay attention to avoid large signal 2 Foreword applied so as to avoid damage to components.  Operating circuit inside the device is only applicable to DC power supply, if AC power is used, it should be applied with rectifier and filter.  It is prohibited to plug or unplug the plug-ins, in order to avoid damage to the device.  It is prohibited to do digital output test when the device is running with primary equipments. 3 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 1. Product description 1.1 Scope of application MTPR-840Hc transformer backup protection and monitoring device applies to in ungrounded system, systems grounded via resistor with voltage ratings, or grounded system solidly of below 110KV . 1.2 Function and specification 1.2.1 Protective function  Three-section (three time limit for each section) composite voltage block direction over-current protection  2-section of zero sequence directional over-current protection started by the zero sequence voltage.( three time limit in every section)  Overload protection  Gap protection  Wind-cooling start  Blocked voltage regulating  Zero sequence select skipping to outer transformer  The delay function when outer transformer skip to noumenal transformer delay function  Compounded voltage blocked output  PT failure alarm /blocked  CT failure alarm 1.2.2 Auxiliary function  Harmonic spectrum analysis  Phase display  Fault recorder  Integral energy  Self-checking fault alarm of device  Remote calling and modification of protection’s settings  One way (or two ways) programmable output of 4～20mA  Network print  Virtual correspondent node remote test 1.2.3 Monitoring function 3 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018  Electric quantity（remote measuring quantity）：voltage, current, active power, reactive power, active energy, reactive energy, power factor, grid frequency, non-electric quantity measuring (optional), etc.  Remote binary quantity: the device has 25-way binary input, in which: 20-way for external gathering, and 5-way for internal gathering. 1.2.4 Communication capability  With industrial Ethernet port and standard RS485 multipoint communication port. Supports MODBUS、IEC-60870-5-103（RS485 communication mode）、IEC-61850-5-104（Industrial Ethernet communication mode） standard communication protocol and a new generation of substation’s communication standard IEC 61850.  Supports single and dual network communication, it is fully qualified for network redundancy and backup 1.2.5 GPS clock synchronization function  The device is able to receive GPS clock second synchronization or IRIG-B through RS485 differential voltage, and it can be done with monitoring system to accomplish GPS precise clock synchronization or Ethernet-based SNTP synchronization. 1.2.6 Device specifications  32-bit POWERPC microprocessor  Real-time multi-task operating system and C++ program techniques, realizing online programming  320*240 LCD display, easy for inspection  One or two ways 4~20mA DC quantity output, which can be set flexibly as any corresponding electric quantity (such as current, voltage, power, etc.)  Collecting 2 ways of 4~20mA DC quantities for measurement of non-electric quantities, such as temperature, pressure, and realizing online monitoring. (optional)  Having the electric energy quality analysis function and perfect harmonic analysis function  Integrating perfect metering functions and Metrology Function  Support network printing function, include two ways: real-time print and artificial print  Support virtual correspondent node remote test, including remote communication to correspondent node, remote measure to correspondent node, event to correspondent node, can online testing, it is convenient for debugger to debug the device on-site. 4 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018  Excellent hardware interchangeability, user maintenance is easily and it reduced quantity of spare parts  Protection output relays can be configured flexibly for user convenience  Using a 6U, 19/3” standard enclosure in a rear plug-in structure. the device can be installed in site on a switchboard or combined in a centralized manner 1.2.7 Main technical specifications  Rated data Power supply: DC/AC 86~265V Operating voltage: DC 220V or DC 110V AC voltage: 100/ 3 V or 100V AC current: 5A or 1A Frequency: 50Hz  Power consumption DC circuit: <10W (normal operation). <15W (protection operation) AC voltage circuit: <0.5VA/phase AC current circuit: <1VA/phase (In = 5A). <0.5VA/phase (In = 1A).  Overload capability AC voltage circuit: 1.2Un, continuous operation Current measuring circuit: 1.2 In, continuous operation Protective current circuit: 2In, continuous operation 10In, allowing 10s 40In, allowing 1s  Range and error of setting value  Maximum range of setting value: Voltage element: 1V~120V Current element: 0.1In~20In Frequency: 45.00Hz~55.00Hz Timing element: 0.00s~100.00s  Error of setting value: Current and voltage setting value: ≤±3% of setting value Frequency setting value: ≤±0.02Hz Angle setting value: ≤±2° Whole-group operation time (including relay’s intrinsic time): Intrinsic operating time of current instantaneous over-current protection: not greater than 40ms at 1.2 times the setting value  Measuring accuracy AC current: Class 0.2 AC voltage: Class 0.2 4~20mA DC quantity input: ≤±1% 5 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Power: Class 0.5 Integral energy: Class 1 (active), Class 2 (reactive) Frequency: ≤±0.02Hz SOE resolution: ≤2ms Pulse width of pulse quantity: ≥10ms 4~20mA DC quantity output: ≤±1%  Capacity of trip/closing output contact Can be connected to DC 250V, 8A for prolonged periods.  GSP clock synchronization error Clock synchronization error≤2ms  Environmental conditions 　 Ambient temperature: 　 Operating：-20℃～+55℃. Storage：-25℃～+70℃, rainproof and snow-proof rooms with relative humidity not greater than 80%, ambient air free of acid, alkaline or other corrosive and explosive gas. No excitation quality is applied at the limits, the device shall not have any irreversible change. After temperature restoration, the device shall operate properly. Relative humidity: The average relative humidity of the most humid month shall not be greater than 90%, the average minimum temperature of this month not lower than 25℃ and there shall be no surface condensation. At the highest temperature of +40℃, the average maximum humidity shall not exceed 50%. Atmospheric pressure: 80kPa~110kPa (below relative altitude of 2KM) 1.2.8 Hardware structure The device uses a 6U, 19/3” standard enclosure, with aluminum alloy casing and installed by overall embedding. The display panel is mounted in the front, and the other plug-in modules are rear mounted. From the rear view, the power, I/O, CPU and AC plug-in modules are from the left to the right.  External dimensions and boring diagram 6 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Structural and dimensional diagram Boring diagram for installation Devices fabricated on-screen steps: first release on-screen stents unfastening screws, remove the stents. Install the device on the screen from the front and push until close to the fixed plate. Install the stent 2, and then stent 1, and then use fastening screw to insertion hole from rear of stent1, and then screwed into stent 2 and tighten screw. The stents from up and down are installed in the same way. Use grounding screws to connect grounding line. 7 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 2. Function of device 2.1 Three-section composite voltage block direction over-current protection This device sets up three-section over-current protection. Each has three time delays. By setting the control word soft strap, it can be set that whether each of the protection is on or off and whether it is equipped with direction judgment( it can be set as positive or reverse), and whether it is blocked by composite voltage. The angle of maximum sensitivity of directional element is -30°.when positive direction，direction action zone is -50°~110°.when negative direction，direction action zone is 130°~290°.（assume U=0°，the change of the phase of I determines direction action zone. With 90 ° wiring, there into，Ia correspond to Ubc，Ib correspond to Uca，Ic correspond to Uab）. Composite voltage component consists of negative sequence voltage U2(over-voltage) and phase-to-phase low-voltage U（the minimum line voltage）.It is used for block over-current protection when any fault occurs. When either negative sequence voltage U2 or low-voltage U is satisfied, over-current protection can be on, otherwise, over-current protection is blocked. When composite voltage operates, the device will output the signal to other side backup protection through output terminal, in order to control the over-current protection output. That is to say, besides accepting its side composite voltage block, the over-current protection can also accept other sides’ composite voltage block. The protection logic is shown in Figure 2-1. Figure 2-1 Operation logic of composite voltage block direction over-current protection 2.2 2-section of zero sequence directional over-current protection started by the zero sequence voltage. This device has 2 sections of zero sequence over-current protection. Every section can have the direction itself (positive and negative). There are 3 time limits in every section. Zero 8 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 sequence over-current protection is blocked by the zero sequence voltage U0, namely zero sequence over-current protection is only active when U0 is greater than the setting value. The “on or off “ of every section protection, direction and zero sequence voltage U0 block can be set by the controlling word. Protection logic diagram is shown as Fig. 2-2. Direction action zone is 20°～200°（when positive direction, assume U=0°，the phase of I0 change. when negative direction，assume U=180°）. The protection logic is shown in Figure 2-2. Zero squence overcurrent protection control word on I0>Iset Protection outputT1delay Hard strap function on/off Zero sequence current protection strap closed & T2delay Protection output Direction latching on/off Direction component opreation T3delay Protection output Zero sequence over-current U0 latching on/off U0>Uset Figure 2-2 Operation logic of zero sequence directional over-current protection 2.3 Overload protection A one-step definite time limit overload protection is provided, which can be set as trip or alarm. When the trip function is switched on, the alarm function is released automatically.For Phases A, B and C, when the maximum phase current is greater than the overload setting value, there will be an operation after a delay. Protection logic diagram is shown as Fig. 2-3. Protection On/Off Trip/Alarm T>Tset Output Figure 2-3 Operation logic of overload protection 2.4 Gap protection 2.4.1 Gap zero sequence over-current protection The protection was installed in the transformer high voltage neutral point side via the discharging gap grounding. When the discharging gap was electric breakdown, at the same time ， the zero sequence current I0j which flows the discharging gap(come from the zero sequence CT ) is greater than the setting value, the protection would operate after delay time. The protection has two time limit, t1 trip off synchronization wire, t2 trip off the every side circuit breaker. 2.4.2 Gap zero sequence over-voltage protection The protection was installed in the transformer high voltage neutral point side via the discharging gap grounding. When the discharging gap was not electric breakdown , and the zero sequence voltage between the gap U0j(come from the open delta voltage U0 ) is greater than the setting value, at the same time the zero sequence current is less than the first and second section of over-current protection setting value, the protection would operate after delay time. In this way, the protection can avoid over-voltage endangering the transformer. t1 trip off synchronization wire, t2 trip off the every side circuit breaker. 9 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 2.4.3 Gap zero sequence parallel output function The protection support the parallel output function of the gap zero sequence over-voltage and gap zero sequence over-current protection. When the function is active, the gap zero sequence over-voltage and gap zero sequence over-current protection were disabled. The function have two absolute time limit, each time limit setting value and trip output are the same as the gap zero sequence over-current protection. Gap protection has the communal hard strap. Protection logic diagram as Fig. 2-4 shown. Gap zero over-current protection control word on Gap zero sequence overcurrent Protection output T1 delay Gap parallel output function control word off & Gap zero sequence Protection output overcurrent I0j>Iset T2 delay & Hard strap function Gap parallel output on/off function control word on Gap protection strap closed ≥ & U0j>Uset Zero sequence overvoltage & I0<zero sequence current latching overcurrent I section on/off setting value & Gap zero sequence I0<zero sequence overvoltage Protection outputT1 delay over-current II section setting value & Gap zero sequence Gap zero sequence overvoltage control overvoltage Protection output word on T2 delay Gap parallel output function control word off Figure 2-4 Logic operating diagram of the gap protection 2.5 Wind-cooling start When any current is greater than the setting wind-cooling start value, the relay would operate after delay time. Protection logic diagram as Fig. 2-5 shown. Figure 2-5 Logic diagram of the wind-cooling start 2.6 Blocked voltage regulating When some phase current is greater than the blocked voltage regulating setting value, the relay would operate after delay time. Protection logic diagram as Fig. 2-6 shown. ON/OFF I >Iset t/0 Protection output sequence Figure 2-6 Logic diagram of the blocked voltage regulating 2.7 Zero sequence select skipping to outer transformer function When the power bus have two transformer parallel running, and the protection of the transformer grounding directly detect the greater value than the setting value, it would output the 10 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 relay node to the other transformer protection un-grounding connect without delay. The other transformer protection un-grounding would operate after delay time. 2.8 Outer transformer skip to noumenal transformer function When the noumenal transformer whose neutral point is un-grounding run, if this function’s input is on, and zero sequence voltage U0 is greater than zero sequence blocked voltage, the protection would operate after delay time. 2.9 PT failure alarm The judgment criterion of PT failure depends on the wiring mode. When the PT failure block function is switched on, if PT failure occurs, the under-voltage protection will block the compound voltage component and current directional component. The judgment criterion of PT failure is as follows:  V-V wiring mode The current value of the phase with the maximum current is less than the maximum load current (using the setting value of the overload current). ① Maximum inter-phase voltage < 30V, and current of any phase > 0.1In. ② Negative sequence voltage > 8V If any of the above conditions is met, the delay (settable) will report PT failure, and will return when failure disappears.  Y-Y wiring mode The current value of the phase with the maximum current is less than the maximum load current (using the setting value of the overload current). ① When |Ua+Ub+Uc|>7V, and the modulus difference between the maximum and minimum line voltages is greater than 18V, it is thought one or 2 phases have PT failure. ② |Ua+Ub+Uc∣> 7V, the minimum line voltage is less than 18V, used for detecting 2-phase failure. ③ When MAX{Uab,Ubc,Uca}<7V,and the current of any phase > 0.1In, it is regarded as PT 3-phase failure. If any of the above conditions is met, the delay (settable) will report PT failure, and will return when failure disappears. 11 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Max{Ia, Ib, Ic}<Igfh MaxU<30V & Max{Ia,Ib,Ic}>0.1*In ≥ U2>8V PT failure On/Off & & V-V wiring    ≥ | U a  U b  U c | 7V |MaxU-MinU|>18V &    TPT PT failure | U a  U b  U c | 7V information& MinU<18V & ≥ MaxU<7V MaxU=Max(Uab,Ubc,Uca) Max{Ia,Ib,Ic}>0.1*In & MinU=Min(Uab,Ubc,Uca) Figure 2-7 Operation logic of PT failure 2.10 CT failure alarm When CT failure function is on, if CT failure occurs, the device will send alarm signal. When in normal operation，the sum of the three phase current of each side is zero. (less than 0.1 times rated current).When one phase CT failure occurs，the sum of three phase current is not zero (more than 0.1 times rated current). In order to distinguish with ground fault，the following judgment should be conducted: ①Among the three phases，the current of the one with the minimum current is zero. (less than 0.1 times rated current). ②The current of the one with the maximum current is not zero. (more than 0.1 times rated current), but less than CT failure block current. 2.11 Operate circuit break This function can be selected or not. When this function be selected, the device monitoring the HWJ and TWJ states. If HWJ and TWJ both On or Off, the delay (settable) will report operate circuit break, and will return when failure disappears. 2.12 Integral energy The software accumulates active and reactive powers into active and reactive energy in real time. 2.13 Fault recorder See the communication coding table for the protection voltage and current waveform data collected by the recording unit. 2.14 Network print Device supports network printing function, can print remote control information, SOE 12 PT failure component User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 information and the setting parameter list. The printer IP address must been set rightly on the device (the network segment of printer must be as same as that of device IP addresses), then connect a printer, put on "real-time report print ", it can print the current remote control information or SOE information when device is connected to the background (including remote communication shift, protection action), and can print the current SOE information when device is not connected to the background. In addition, when press the "ok" button in the "print report" or "print setting value" menu, it can print the all setting parameter or the all report information, including action value. 2.15Virtual correspondent node remote test The function is used to complete the communication node remote test of the device, do not need to access the actual analog electric quantity or the input quantity. Specific operation as follows, connect to the background, In the remote test menu, operate the “virtual input test”, the “virtual measure test” and the “virtual SOE test” menu in the “remote test” menu, press the "OK" button after the modification of various settings, then by observing the background pop-up warning window or the change of the corresponding value, to determine whether the device communication node is right. It is convenient for debugger to debug the device on-site. When you are in the mode of remote test, the all protect must be off. 2.16GPS clock synchronization The GPS clock synchronization signal is input as rs485 differential voltage, the device is able to receive GPS clock second synchronization. If there is GPS signal, there will be flashing on the bottom of cycle menu. Otherwise won’t. The principle of GPS clock synchronization: The second pulse or minute pulse act with the monitoring system, the time base with second precision is sent by monitoring system, when the GPS second differential signal arrives, the time base is unified and the milliseconds are cleared. The device is able to receive GPS clock second synchronization or IRIG-B through RS485 differential voltage, and it can be done with monitoring system to accomplish GPS precise clock synchronization or Ethernet-based SNTP synchronization. 2.17Overhaul status When the device put into overhaul plate, remote sign, binary input of remote measure can be uploaded background computer. But the device can’t remote control by background computer. The SOE event、Alarm event、Trip event, etc also can’t uploading background computer. 13 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 3. Setting of parameters and setting values of the device 3.1 System parameters Parameter Range Description Settings of setting value zone number（Setting Zone No.） Setting value zone number(Setting Zone 0-7 Set step:1（factory default 0） No.) Communication settings（Comm. Setting） Set step :1 (factory default 1) NET Protocol 0-2 （0-Quit;1-IEC104; 2-IEC61850） Set step :1 (factory default 0) RS485 Protocol 0-2 （0-Quit;1-IEC103; 2-MODBUS） RS485 address(RS485 1-99 Set step:1（factory default 1） Address) RS485 baud rate(RS485 Set step:1（factory default 2）0：2.4KB;1：4.8KB; 0-5 Baudrate) 2：9.6KB;3：19.2KB;4：38.4KB;5：115.2KB; IP address(IP Address) One section set step:1（factory default 192.168.0.253） SNTP Address (SNTP It has four sections. One section set step:1（factory default 192.168.0.252） Address) The range of every KW default value(KW section is One section set step:1（factory default 12.8.6.1） Default) 0-255 Printer IP One section set step:1（factory default 192.168.0.255） address(Printer IP) Coefficient of transformer PT Ratio 1-1500 Set step: 1 (factory default 100) CT Ratio 1-5000 Set step: 1 (factory default 100) Setting of basic parameters(B. Parameters) Rating Current（In） 0-1 Set step: 1 (factory default 0) 00: 5A. 01: 1A PT Wiring Mode 0-1 Set step: 1 (factory default 0) 00: Y-Y. 01: V-V For harmonic calculation, select the corresponding reference quantity: Harmonic Channel 0-12 0:exit from harmonic calculation function 1:Ia,2:Ib,3:Ic,4:I0,5:I0iA,6:IA,7:IB, 8:IC,9:Ua,10:Ub,11:Uc,12:U0 Wave Record 0-1 Set step:1（factory default 0）00：Off;01：On Hardword On/Off 0-1 Set step:1（factory default 0）00：Off;01：On Remote communication 10-100ms Set step: 1 (factory default 40ms) 14 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Parameter Range Description confirmation time Remote/Local switch 0-1 Set step: 1 (factory default 0) 00：exit；01：on Real-time print report 0-1 Set step: 1 (factory default 0) 00：exit；01：on on/off(auto print report) Display Mode 0-1 Set step: 1 (factory default 0) 00：Diagram；01：Analog D/A channel setting(D/A Setting) Select DA1~2 to output corresponding reference quantities: 0: No D/A output 1:IA, 2:IB, 3:IC, 4:Ua, 5:Ub, 6:Uc, 7:Uab, 8:Ubc,9:Uca,10:P,11:Q Voltage reference quantity: 0-120V corresponding to 4mA-20mA. Rating 5A： DA1~2 Channel Current reference quantity: 0-6A corresponding to 0-11 Selection 4mA-20mA, Power reference quantity: 0-1000W corresponding to 4mA-20mA. Rating 1A： Current reference quantity: 0-1.2A corresponding to 4mA-20mA, Power reference quantity: 0-200W corresponding to 4mA-20mA. DA1～2 Adjustment 0.5-1.5 Adjust D/A channel 1～2（4-20mA） parameters Factor Integral Energy Positive active energy 0-4294967.295kwh Positive reactive energy 0-4294967.295kvh Set step:0.001 Negative active energy 0-4294967.295kwh Press “confirm” for reservation, and revert to last Negative reactive menu. 0-4294967.295kvh energy Channel factor setting(Channel Coef.) Set step:0.001（factory default 1） Channel data 1～14 0.5-5 Channel data 1-14 are corresponded to the channel factor of analog quantity 1-14. 15 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 3.2 List of setting values Setting value Range Description Over-current 1 section protection 1/0 1/0：On/Off (factory default Off) （Over-current 1） Over-current 2 section protection 1/0 1/0：On/Off (factory default Off) （Over-current 2） Over-current 3 section protection 1/0 1/0：On/Off (factory default Off) （Over-current 3） Over-current 1 section direction 1/0 1/0：On/Off (factory default Off) （OC 1 Direction） Over-current 2 section direction 1/0 1/0：On/Off (factory default Off) （OC 2 Direction） Over-current 3 section direction 1/0 1/0：On/Off (factory default Off) （OC 3 Direction） Over-current 1 section compounded voltage latching 1/0 1/0：On/Off (factory default Off) （OC 1 CV Lock） Over-current 2 section compounded voltage latching 1/0 1/0：On/Off (factory default Off) （OC 2 CV Lock） Over-current 3 section compounded voltage latching 1/0 1/0：On/Off (factory default Off) （OC 3 CV Lock） Zero sequence over-current 1 section protection 1/0 1/0：On/Off (factory default Off) （ZS Over-current 1） Zero sequence over-current 2 section protection 1/0 1/0：On/Off (factory default Off) （ZS Over-current 2） Zero sequence over-current 1 section 1/0 1/0：On/Off (factory default Off) direction （ZS OC 1 Dir.） Zero sequence over-current 2 section 1/0 1/0：On/Off (factory default Off) direction （ZS OC 2 Dir.） Zero sequence over-current 1 U0 1/0 1/0：On/Off (factory default Off) latching （ZS OC 1 U0 Lock） 16 Protection on/off word User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Setting value Range Description Zero sequence over-current 2 U0 1/0 1/0：On/Off (factory default Off) latching （ZS OC 2 U0 Lock） Overload 1/0 1/0：On/Off (factory default Off) Gap zero sequence over-current 1/0 1/0：On/Off (factory default Off) （Gap ZS OC） Gap zero sequence over-voltage 1/0 1/0：On/Off (factory default Off) （Gap ZS OV） Zero sequence current latching 1/0 1/0：On/Off (factory default Off) （ZS Hold Lock） Gap parallel output function 1/0 1/0：On/Off (factory default Off) （Gap Parallel） Wind-cooling start 1/0 1/0：On/Off (factory default Off) （Startup Cooling） Blocked voltage regulating 1/0 1/0：On/Off (factory default Off) （V Adjust Lock） Zero sequence select skipping to outer 1/0 1/0：On/Off (factory default Off) transformer（ZS Trip Ext.） Outer transformer skip to noumenal 1/0 1/0：On/Off (factory default Off) transformer（Ext. Trip Local） Outboard compounded voltage 1/0 1/0：On/Off (factory default Off) latching （Other CV Lock） Compounded voltage latching output 1/0 1/0：On/Off (factory default Off) （CV Out Lock） PT failure alarm 1/0 1/0：On/Off (factory default Off) PT failure block 1/0 1/0：On/Off (factory default Off) CT failure alarm 1/0 1/0：On/Off (factory default Off) Operate circuit break 1/0 1/0：On/Off (factory default Off) Three-section composite voltage block direction over-current protection（Over-current） Low voltage 10.00－90.00V Set step:0.01V(factory default 90V) Negative sequence voltage 2.00-30.00V Set step:0.01V(factory default 10V) （NS Voltage） Over-current 1 section current 0.00-100.00A Set step:0.01A(factory default 20.00A) （Over-current 1） 17 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Setting value Range Description Over-current 2 section current 0.00-100.00A Set step:0.01A(factory default 20.00A) （Over-current 2） Over-current 3 section current 0.00-100.00A Set step:0.01A(factory default 20.00A) （Over-current 3） Over-current 1 section direction Set step:1（factory default 0） 0-1 （OC 1 Direction） 00：Positive；01：Reverse Over-current 2 section direction Set step:1（factory default 0） 0-1 （OC 2 Direction） 00：Positive；01：Reverse Over-current 3 section direction Set step:1（factory default 0） 0-1 （OC 3 Direction） 00：Positive；01：Reverse Over-current 1 section delay1 0.00-100.00s Set step:0.01s(factory default 5s) （T1 Over-current 1） Over-current 1 section delay 2 0.00-100.00s Set step:0.01s(factory default 5s) （T2 Over-current ） Over-current 1 section delay 3 0.00-100.00s Set step:0.01s(factory default 5s) （T3 Over-current 1） Over-current 2 section delay 1 0.00-100.00s Set step:0.01s(factory default 5s) （T1 Over-current 2） Over-current 2 section delay 2 0.00-100.00s Set step:0.01s(factory default 5s) （T2 Over-current 2） Over-current 2 section delay 3 0.00-100.00s Set step:0.01s(factory default 5s) （T3 Over-current 2） Over-current 3 section delay 1 0.00-100.00s Set step:0.01s(factory default 5s) （T1 Over-current 3） Over-current 3 section delay 2 0.00-100.00s Set step:0.01s(factory default 5s) （T2 Over-current 3） Over-current 3 section delay 3 0.00-100.00s Set step:0.01s(factory default 5s) （T3 Over-current 3） Zero sequence voltage alarm（ZS Voltage Alarm） Zero sequence voltage latching 5-100V Set step:0.01V(factory default 100V) （ZS Voltage Lock） Zero sequence 1 section current （ZS Current 1 0.00-100.00A Set step:0.01A (factory default 100A) ） 18 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Setting value Range Description Zero sequence 2 section current ZS Current 2 0.00-100.00A Set step:0.01A (factory default 100A) （ ） Zero sequence 1 section direction Set step:1(factory default 0) 0-1 （ZS 1 Direction） 00：Positive；01：Reverse Zero sequence 2 section direction Set step:1(factory default 0) 0-1 （ZS 2 Direction） 00：Positive；01：Reverse Zero sequence 1 section delay 1 0.00-100.00s Set step:0.01s (factory default 5s) （T1 ZS 1） Zero sequence 1 section delay 2 0.00-100.00s Set step:0.01s (factory default 5s) （T2 ZS 1） Zero sequence 1 section delay 3 0.00-100.00s Set step:0.01s (factory default 5s) （T3 ZS 1） Zero sequence 2 section delay 1 0.00-100.00s Set step:0.01s (factory default 5s) （T1 ZS 2） Zero sequence 2 section delay 2 0.00-100.00s Set step:0.01s (factory default 5s) （T2 ZS 2） Zero sequence 2 section delay 3 0.00-100.00s Set step:0.01s (factory default 5s) （T3 ZS 2） Overload Overload current 0.00-100.00A Set step:0.01A(factory default 20.00A) Overload time 0.00-100.00s Set step:0.01s(factory default 100s) Gap protection Gap zero sequence over-current 0.00-100.00A Set step:0.01A(factory default 20.00A) （Gap ZS OC Value） Gap over-current delay1 0.10-100.00s Set step:0.01s (factory default 5s) （T1 Gap ZS OC） Gap over-current delay2 0.10-100.00s Set step:0.01s (factory default 5s) （T2 Gap ZS OC） Gap zero sequence over-voltage Gap ZS OV Value 5-300V Set step:0.01V(factory default 180V) （ ） Gap over-voltage delay1 0.10-100.00s Set step:0.01s (factory default 5s) （T1 Gap ZS OV） Gap over-voltage delay1 0.10-100.00s Set step:0.01s (factory default 5s) （T2 Gap ZS OV） 19 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Setting value Range Description Wind-cooling start（Startup Cooling） Starting fan current (Cooling Current) 0.00-50.00A Set step:0.01A(factory default 50A) Starting fan delay (Cooling Time) 0.00-100s Set step:0.01s(factory default 5s) Block voltage regulation（V Adjust Lock） Block voltage regulation setting (V Adjust Value) 0.00-50.00A Set step:0.01A(factory default 50A) Block voltage regulation delay (V Adjust Time) 0.00-100s Set step:0.01s(factory default 5s) zero sequence select skipping to outer transformer（ZS Trip Ext.） Zero sequence select skipping to outer transformer setting value 0-100.00A Set step:0.01A(factory default 100.00A) （ZS Tr. Ext. Value） outer transformer skip to noumenal transformer delay（Ext. Trip Local） Outer transformer skip to noumenal transformer delay 0.00-100s Set step:0.01s (factory default 15s) （Ex. Trip Local T） PT/CT Failure CT failure latching current CT Failure Lock 1-10.00A Set step:0.01A(factory default 10A) （ ） CT failure delay (CT Failure Time) 5.00-100s Set step:0.01s(factory default 15s) PT failure delay (PT Failure Time) 5.00-100s Set step:0.01s(factory default 15s) Operate circuit break Operate CIR Time 1.00-100.00S Set step:0.01s(factory default 3s) 4. Description of binary input, output and analog quantity 4.1 Monitoring of analog quantities Analog quantities can be monitored under the [Protection Data], [Measured Data] and [Pulse Energy] menus in the [Run States] menu, press the ““, ““ keys to flip over. The factory precision of the device has been calibrated. The protection current is calibrated at double the rated current and the measuring current at a single rated current. The list is as follows: 20 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Analog quantity Analog quantity Test method terminal name Protective Phase A Add double the rating, displayed deviation not Terminals D01、D02 current (Ia) exceeding 1% Protective Phase B Add double the rating, displayed deviation not Terminals D03、D04 current (Ib) exceeding 1% Protective Phase C Add double the rating, displayed deviation not Terminals D05、D06 current (Ic) exceeding 1% Zero sequence Terminals D07、D08 Add 1A, displayed deviation not exceeding 0.2% current (I0) Gap zero sequence Add double the rating, displayed deviation not Terminals D09、D10 current (I0j) exceeding 0.2% Measured Phase A Add a single rating, displayed deviation not exceeding Terminals D11、D12 current (IA) 0.2% Measured Phase B Add a single rating, displayed deviation not exceeding Terminals D13、D14 current (IB) 0.2% Measured Phase C Add a single rating, displayed deviation not exceeding Terminals D15、D16 current (IC) 0.2% Phase A voltage Terminals D17、D18 Add 50V, displayed deviation not exceeding 0.2% (Ua) Phase B voltage Terminals D19、D20 Add 50V, displayed deviation not exceeding 0.2% (Ub) Phase C voltage Terminals D21、D22 Add 50V, displayed deviation not exceeding 0.2% (Uc) Terminals D23、D24 Zero voltage(U0) Add 50V, displayed deviation not exceeding 0.2% 4～20mA DC Input Terminals D25、D26 Add 10mA, displayed deviation not exceeding 1% 1 4～20mA DC Input Terminals D27、D28 Add 10mA, displayed deviation not exceeding 1% 2 Terminals D11、 D12;D15、D16 add Add a single rating to current and 100V to line voltage current by polarity;D17、 3-phase active Alter phase angle, displayed power deviation not D18;D19、D20;D21、 power exceeding 0.5% D22 add voltage by polarity Add a single rating to current and 100V to line voltage Add current to 3-phase reactive Alter phase angle, displayed power deviation not 21 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Analog quantity Analog quantity Test method terminal name terminals D11, D12； power exceeding 0.5% D15, D16 according to polarity；add voltage to D17, D18；D19, D20； D21, D22 according to polarity 4.2 Monitoring of binary input Binary input can be monitored under the [Binary input] menu in the [Run States] menu, press the ““, ““ keys to flip over. Binary input Binary input name Test method terminal B01 Common terminal of binary input - External power supply of 220V or 110V DC （Should be connected to DC220V can be applied, connect the negative terminal or DC110V to terminal B01, positive terminal to terminal negative terminal of external power B02～B21, in [Binary input] menu in the supply） [Run States], the status of binary input can be B02 Breaker position seen. B03 Trolley run position The device also has a 24V DC supply, if B04 Trolley test position it is used, terminal B22 can be connected to B05 Earth switch position terminal B02～B21, in [Binary input] menu B06 Spring is not energized in the [Run States], the status of binary input B07 The other side compounded voltage can be seen. action(Other CV) “Manual Trip”, “Manual Close”, “TWJ” , B08 outer transformer skip to noumenal “HWJ” are taken from the operate circuit to transformer(Ex Trip Local) monitoring the status. B09 Input 8 Connect the negative terminal to terminal B10 Input 9 A11(-KM), positive terminal to terminal B11 Input 10 A06(Manual Close),A08(Manual Trip),in B12 Input 11 [Binary input] menu in the [Run States], the B13 Input 12 status of binary input can be seen. B14 Input 13 Connect the positive terminal to terminal B15 Input 14 A12(+KM), negative terminal to terminal B16 Input 15 A05(TWJ),A04(HWJ),in [Binary input] menu B17 Input 16 in the [Run States], the status of binary input 22 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 B18 Gap protection strap can be seen. B19 zero sequence protection strap Connect the negative terminal to terminal B20 Over-current protection strap A11(-KM), positive terminal to terminal B21 Overhaul A34(Remote common), in [Binary input] Binary input Manual Trip menu in the [Run States], the Remote/Local of Operate Manual Close status of binary input can be seen. circuit HWJ Please note about the binary input voltage TWJ upon ordering, it is set to DC220V by default. Remote/Local B22 Positive terminal of internal 24V power supply 4.3 Monitoring of binary output Binary output can be monitored under the [Binary output] menu, press the ““, ““ keys to flip over. Binary output terminals Binary output name Test method B23-B24 Trip Signal B23-B25 Alarm Signal B23-B26 Operate CIR Signal A13-A14 Selective trip output A15-A16 Startup Cooling Trip off this side A17-A18 subsection A19-A20 Trip off this side switch Trip off the other side A21-A22 Select open and close menu, use “+”, “-” switch 1 key to operate and test the corresponding Trip off the other side A23-A24 terminals. B29-B30 and B31-B32 are switch 2 common open terminals that should close. Composite voltage A25-A26 output1 Composite voltage A27-A28 output 2 A29-A30 Output 7 A31-A32(normal open) Block voltage A31-A33(normal close) regulation A34-A35 Remote Close A34-A36 Remote Trip 23 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 5. Operation instructions 5.1 Control panel of device  320*240 matrix LCD (The LCD will go off after a period of absence of keyboard operation. the LCD will be illuminated automatically when any key is pressed or in case of protection trip or alarm.)  Signal indicator: run, communication, trip, alarm, fault (of the device), Backup, remote.  Key pad: , , , , Cancel, -, +, Enter, Revert 5.2 Instructions for use of key pad and LCD display During the device’s normal operation, it will display the primary measuring current、voltage、 power, secondary protective data、measuring data、device address and time in cycle. Press the “Enter” key to enter the main menu, which is a multi-level tree menu. Press the ““, ““ keys to move the cursor to the desired entry, press the “Enter” key to enter this entry, and press the “Cancel” key to return to the next higher level of screen. If this screen is still a menu, continue to press the ““, ““ key to select the desired entry, press the “Enter” key to enter the next level of screen, and press the “Cancel” key to return to the next higher level of menu. If there is no menu screen, be sure to press the “Cancel” key to return to the next higher level of menu. The main menu is shown at the center of the following figure, with the corresponding submenus on both sides. 24 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 01.Run States -1/8- Main menu 05.Report Dis. -1/4- Protection Data Trip Report Measuring Data 01.Run Status Binary Report Binary Input Event Report Soft Strap Pulse Energy 02.Run Parameters Print Report Harmonic Data 06.Parameters -1/6- DC Input Data 03.Setting View Comm. Setting AD Volt. Data 04.Setting Value TransformerCoef. B. Parameters 02.Run Param. -1/3-  Setting Zone No. 05. Report Manage D/A Setting Pulse Energy PROT On/Off 06. SYS Parameters Channel Coe. Clock Setting 07.Device Test 07.DeviceTest. -1/2- 03.Setting View-1/11-  Output Test  Over-current 08.PassWord Lamp Test ZS over-current Overload current 09.Version Info. 08.Password ...... □□□□ 10.Comm Test 04.Setting Value-1/11- PROT AUTO DEV V2.00  Over-current Type:MTPR-840Hc ZS over-current 10.Comm test -1/3- ID:□□.□□.□□ Overload current Input Test CRC:□□□□□□□□ ...... Measure Test Date:20XX-XX-XX SOE Test  Note 1:For the Setting menu, see the description of each device.  Run Status The [Run Status] menu contains 8 submenus, including protection data, measuring data, binary input, soft strap, pulse energy, harmonic data, DC measurement and trip statistics, AD voltage data.It is described as follows: PROT Data -1/11- Ia = □□□·□□ A 000.0° Ib = □□□·□□ A 000.0° Protection CT secondary current value Ic = □□□·□□ A 000.0° Uab = □□□·□□ V 000.0° PT secondary line voltage value Ubc = □□□·□□ V 000.0° Uca = □□□·□□ V 000.0° I0 = □□□·□□ A Negative sequence voltage I0j = □□□·□□ A Gap zero sequence current F = □□□·□□ Hz Frequency ...... 25 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Meas. Data -1/8- IA = □□□·□□ A 000.0° IB = □□□·□□ A 000.0° Measuring CT secondary current value IC = □□□·□□ A 000.0° Ua= □□□·□□ V 000.0° Ub= □□□·□□ V 000.0° PT secondary phase voltage value Uc= □□□·□□ V 000.0° Converted to PT, CT secondary active power P = □□□□·□ W Q= □□□□·□ var Converted to PT, CT secondary reactive power Cosφ = □·□□□ Cosine function for included angle of voltage and current. for -90°<φ<90°, COSφ is positive. for 90°<φ<270°, COSφ is negative At Closed, breaker is at closed position. at Open, breaker Binary Input -1/25- is at open position. Break :□ Note:The position of the breaker relates to protection logic, with fixed position. Trolley Run :□ When Closed, trolley at running position Trolley Test :□ When Closed, trolley at test position Earth Switch :□ Spring :□ When Closed, earth switch at closed position Other CV :□ When Closed, energy storage not completed Ex Trip Local :□ Input 8 :□ Description varies with model, see corresponding terminal Input 9 :□ diagram for details Input 10 :□ ......  Note: In the standard configurations, the input circuit has the connection to an external 220VDC control power supply. When no DC control power supply or control system is available on site, but a 110VDC control power supply is available, a 110VDC control power supply may be used for direct connection through local hardware adjustment, or the 24V power supply of the device may be used as the input power supply (when the input common terminal is +24V, terminal number: B22, Terminal B01 is kept float). However, this must be specified upon ordering. Soft Strap -1/30- Over-current 1 Off Over-current 2 Off Over-current 3 Off OC 1 Direction Off OC 2 Direction Off ...... Pulse Energy -1/4- ＋□□□□□□□·□□□kWh Accumulation of the device’s real-time active and ＋□□□□□□□·□□□kvh reactive calculations over time, + for positive －□□□□□□□·□□□kWh direction, - for negative direction. －□□□□□□□·□□□kvh Harmonic Data -1/10- 2nd ： □□□·□□% 3rd ： □□□·□□% 4th ： □□□·□□% 5th □□□·□□% 2~11 harmonics for which analog channels have ： ...... been selected in system 11th ：□□□·□□% 26 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 DC Input Data -1/2- DC1：□□□·□□mA External DC input 4~20mA (2-way) DC2：□□□·□□mA AD Volt. Data -1/2- AD1：□□·□□□V AD Voltage Check AD2：□□·□□□V  Run Parameters In the [Run Parameters] menu includes 3 submenus, including [Setting Zone No.]、[PROT On/Off]、[Clock Setting], The screen Content is as follows:  Setting Zone No. :Range 00~07.  PROT On/Off: The device protect plate can be select in this menu. PROT On/Off -1/30- Parameter Modify? Over-current 1 On Off ◇Enter ◆Cancel Press “+”, “-” keys to select the protection function On or Off. The interface will eje ct the window as right chart show when you press the “Enter” key. Move the cursor to t he desired position for modification by pressing the ““, ““ keys. Press the “Enter” ke y to complete setting, and the device will prompt modifying success or not. If the “Canc el” key is pressed, the protect plate status setting will be cancelled and the menu will ret urn previous menu.  Clock setting: A battery-back real-time clock is provided in the device, which can perform time adjust remotely via the communication network or in-site time adjust in the [Time Setting] menu. Enter this menu and press the “Enter” key, the clock will stop refreshing and a cursor will Clock setting appear. Move the cursor to the desired position for modification by Date：20□□－□□－□□ pressing the ““, ““ keys, modify to the desired value with the “+”, Time： □□：□□：□□ “-” keys. Press the “Enter” key to complete setting. If the “Cancel” key is pressed, the setting will be cancelled and the screen continues to refresh the clock.  Setting View This meun just for query.You can’t modif the value to prevent faulty operation.  Setting Value After entering the password, you can enter the [Setting Value] menu. See the settings description of the protection device for the detailed description.  Report Manage The [Report Manage] menu includes 4 submenus, including trip report, binary report, event report and print report. Event recording includes: device self-check fault, device setting value modification, system parameter modification and setting zone number modification, etc. Trip report can be record for the last 50 events, binary report for 100, event report for 30 at most. 27 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Beyond this, the latest report will overwrite the earliest one. Press the “Enter” key to enter the corresponding [To view xx report, please enter report number: 00] menu, and enter any figure within storage volume, press the “Enter” key to display the contents of that report. The screen is as follows: Rep o rt No.：□□ ↓ Report No. of this report 20□□-□□-□□ Year, month, day, hour, minute, second and millisecond when it took place □□：□□：□□：□□□ □□□□□□ The content of reports Press  key to see the specific operation value. Press  and  keys to flip over. Operation values. Action value view Ia = □□□·□□ A Ib = □□□·□□ A Ic = □□□·□□ A I0 = □□□·□□ A I0j = □□□·□□ A Protect CT secondary current value U2 = □□□·□□ V ...  System parameters After entering the [SYS Parameters] menu, the correct password is required to enter the [SYS Parameters] menu. It displays the following: Parameters -1/6- Comm. Setting TransformerCoe. B. Parameters D/A Setting Pulse Energy 28 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018  Communication Setting Comm. setting -1/8- NET Protocol □□ 00:Quit; 01:IEC104; 02:IEC61850; RS485 Protocol □□ 00:Quit; 01:IEC103; 02:MODBUS; RS485 Address □□ Communication address of device 01～99 RS485 Baud rate □□ 00：2.4KB;01：4.8KB;02：9.6KB;03：19.2KB;04： IP Address □□□ □□□ □□□ □□□ 38.4KB;05：115.2KB . . . SNTP Address □□□. □□□. □□□. □□□ K W Default For Ethernet communication □□□. □□□. □□□. □□□ Printer IP □□□. □□□. □□□. □□□  Transform Coefficient TransformCoe -1/2- PT Ratio □□□□ Setting the PT: 1~1500 CT Ratio Setting the CT: 1~1500 □□□□ Max：1500 Min：0001 It will prompt maximum value and minimum value of each parameter below the window.  Setting of basic parameters (see the description of the protection device for basic parameters) B.Parameters: -1/11- Rating Current □□ Setting the CT secondary current rating 00: 5A. 01: 1A PT Wiring Mode □□ Setting the PT secondary wiring mode00: Y-Y. 01: V-V Harmonic Channel □□ Setting analog quantity channels 0~12 for harmonic monitoring, select 0 ...... to exit from the harmonic calculation function  D/A setting The device has two 4~20mA outputs. The DA1~DA2 adjustment factor is used to adjust the accuracy of the channel output. The DA1~DA2 channel selection is used to select the corresponding analog quantity channel (see the description of the protection device for specific reference quantities). In the accuracy test, make sure the field ground is in good contact. Otherwise the accuracy might be affected.  Pulse energy setting Energy base numbers can be set, including positive active energy, positive reactive energy, 29 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 negative active energy and negative reactive energy.  Channel Coefficient The device can adjust channel coefficient by this menu to raise Sample size.  Device test After entering the [Device Test] menu, the correct password is required to enter the [Device Test] menu. It’s have two menu include [Output Test] and [Lamp Test].  Output Test Enter [Output Test] menu, It displays the following: Output Test -1/14- Local Lock Startup Cooling Press “Enter” key Local Lock Trip Native On Off Trip Native SW Note: Trip Other SW 1 Node:A13,A14 Open …… Press “Cancel” key Operate All (Note: When the test is performed on the 6 protection outputs, the starting relay will be in the “Closed” state automatically. The “+”, “-” keys are used for switching between the “Close/Open” control.)  Lamp Test Lamp Test ◇Light ◆Quench Used for testing Stand or fall of all LED lights.  Password The [Password] menu is used to modify the password for entry into the Settings, System parameters and Output Test submenus. The initial password is provided by the factory. The universal password is “1000”. Move the cursor to the desired position for modification by pressing the ““, ““ keys, Input password modify to the desired password with the “+”, “-” keys. Press the 0 0 0 0 “Enter” key to enter the new password setting menu as above. Press the “Cancel” key to cancel the setting.  Version information In the main menu, after entering the [Version Info.] menu, the Type, ID, CRC and Date of the software will be displayed. PROT AUTO DEV V2.00 Type:MTPR-840Hc ID:□□.□□.□□ CRC:□□□□□□□□ Date:20XX-XX-XX Note: For a corresponding nonstandard model, the device’s displayed Type does have to be changed. 30 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018  Comm test When debugger debug the device on-site in the case of no-accessing the actual analog electric quantity or the input quantity, [Comm. Test] is used to do the test of the communication node of the device. 6. Check of protection function 6.1 Check of over-current protection Over-current protection can be divided into three sections and each section can be set as On/Off. All are based on the same principle. Take the example of over-current section I, wire as Figure 6-1，set over-current section I protection to on, set over-current section I direction to on and set over-current section I composite voltage block to on, set hard strap protection to off（when in on, over-current protection strap B20 should be connected）. MTPR-840Hc Ia(Ib、Ic) D1(3,5) Ia’(Ib’、Ic’) D2(4,6) B29 Ua D17 Power supply Ub D19 Uc D21 B30 Ua’(Ub’、Uc’) D18(20,22) Figure 6-1 Set according to the following table. Measure the operating current and take down in the following table. When over-current section I operates（delay has T1, T2, T3）, the corresponding terminals should be connected according to output matrix. Add phase A current Ubc, add voltage 30V, voltage Over-current section I 1ln 2ln 5ln 10ln phase as reference，check the setting（A） operating zone. Operating value Operating zone Add phase B current Uca, add voltage 30V, voltage phase as Over-current section I 1 ln 2 ln 5 ln 10 ln reference，check the operating setting (A) zone Operating value Operating zone 31 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Add phase C current Uab, add voltage 30V, voltage phase as Over-current section I 1 ln 2 ln 5 ln 10 ln reference，check the operating setting (A) zone Operating value Operating zone Low voltage 8 20 40 60 setting(V) 0 Low voltage Instantaneous over-current block value protection setting is 5A， Negative sequence 2 Add current 6A 5 10 15 voltage setting( V) 0 Negative voltage block setting 6.2 Check of zero sequence over-current protection Zero sequence over-current protection has two segments. It can be set and put in/out respectively. These two protections have same principle, take zero sequence over-current protection 1 section as an example to explain. Connect as Fig. 6-2, put zero sequence over-current 1 section protection and put zero sequence over-current 1 section direction in running. (when Hard strap function is put, zero sequence protection strap B19 should be connected). When zero sequence over-current 1 U0 latching, the zero sequence voltage latching function would be active. MTPR-840Hc Ua D17 Ua’ D18 B29 U0 D23 Power supply U0’ D24 B30 I0 D07 I0’ D08 Fig.6-2 Set in accordance with the table as follows, take the operating value and keep it in the table. When zero sequence over-current 1 section(T1,T2,T3) protection is operated, according to output matrix , the corresponding terminal should be connected. (when YY wiring，the direction component is used to calculate U0js，when PT failing，use the open U0；when V V wiring，use the open U0. ) 32 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Open U0(V) ≥15 ≥15 ≥15 ≥15 Calculate U0js(=UA) ≥15 ≥15 ≥15 ≥15 Zero sequence current setting value(A) 0.5 1 2 5 Operating value Operating zone 6.3 Check of overload protection The maximum current of phase is taken as overload protection current to check, which can be set as trip or alarm. To wire as Figure 6-3, switch on overload alarm（or overload trip）. MTPR-840Hc Ia(Ib、Ic) D1(3,5) B29 Power supply Ia’(Ib’、Ic’) D2(4,6) B30 Figure 6-3 Set according to the following table. Measure the operating current and take down in the following table. When over-load alarm operates, the corresponding terminals should be connected according to output matrix. Over-load setting(A) 5 10 15 20 Over-load delay(s) 10 5 2 1 Over-load operating value(A) Over-load operating time(s) 6.4 Gap protection Gap protections include the gap zero sequence over-current protection, the gap zero sequence over-voltage protection and the gap zero sequence parallel output function. Connect as Fig. 6-4, put zero sequence over-current protection, put the gap zero sequence over-voltage protection and zero sequence current latching in running. The gap zero sequence parallel output function exit. Hard strap function exit.（when putting, over-current protection strap B20 should be connected）. MTPR-840Hc I0j D09 I0j’ D10 B29 U0 D23 Power supply U0’ D24 B30 Figure 6-4 33 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Set in accordance with the table as follow, take the operating value and keep it in the table. When gap zero sequence over-current（gap zero sequence over-voltage）is operated（delay T1, T2）,according to output matrix , the corresponding terminal should be connected. I0j(A) ≥15 ≥15 ≥15 ≥15 Gap zero sequence 0.20 0.50 1.00 1.50 over-current setting value Operating value Operating zone U0j(V) ≥15 ≥15 ≥15 ≥15 Gap zero sequence over-voltage 0.5 1 1.5 2 setting value Operating value Operating zone After putting the gap zero sequence parallel output function in running, test the parallel function of the zero sequence over-current component and the zero sequence overvoltage component, delay and output matrix is the same as the gap zero sequence over-current protection. 6.5 Check of PT/CT Failure Wire as Figure 6-1，simulate PT failure or CT failure，the device will send alarm signal and the alarm light will lit. The checking method of other protection functions such as starting fan, block voltage regulation, composite voltage block output is easy. We are not going to elaborate it here; users may refer to "device function" section of this manual. 6.7 Operate Circuit Break Operate circuit break output be controlled by software. When this function be selected. Connect the negative terminal to terminal A11 (-KM), positive terminal to terminal A12. Connect the negative terminal to terminal A05(TWJ),A04(HWJ) to make HWJ or TWJ action. The device monitoring operate circuit normatlity. When you turn off A05(TWJ),A04(HWJ) to connect the negative terminal or connect the negative terminal both of them, The operate circuit break will action after delay time. Measuring terminals B23-B26 should be shorted. 34 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Addendum 1: Terminal diagram of the device I/O POWER CPU A C Input comon A01 Common point- B01 point- A02 Trip position B02 Breaker NET1 D01 Ia Ia' D02 A03 Closure position B03 Trolley Run A04 Closed position D03 Ib Ib' D04 Trolly Test monitoring B04 A05 Trip position Earth Switchmonitoring B05 D05 Ic Ic' D06 A06 Manual closing Springinput B06 A07 Closed coil B07 Other CV D07 I0 I0' D08 A08 Manual B08 NET2EC Trip Localtripping input D09 I0j I0j' D10 A09 PROT tripping B09 Input 8input A10 Trip coil B10 Input 9 D11 IA IA' D12 A11 -KM B11 Input 10 D13 IB IB'A12 B12 D14+KM Input 11 A13 Local Lock B13 Input 12 D15 IC IC' D16 A14 Local Lock B14 Input 13 Run Light A15 Startup Cooling B15 Input 14 D17 Ua Ua' D18 A16 Startup Cooling B16 Input 15 D19 Ub Ub'A17 D20Trip Native A18 Trip Native DEBUG D21 Uc Uc' D22 D23 U0 U0' D24 A19 Trip Native SW B17 Input 16 C01 GPS-A A20 Trip Native SW B18 Input 17 C02 GPS-B D25 DCSIN1+ A21 ChargedTrip Other SW 1 B19 protection plate C03 D26 DCSIN1- A22 B20 Over-currentTrip Other SW 1 COM1Aplate C04 A23 Trip Other SW 2 B21 Overhaul C05 COM1B D27 DCSIN2+ A24 Trip Other SW 2 B22 （+24V） C06 Shielded ground A25 D28 DCSIN2- Comp.V Output 1 B23 Common terminal C07 COM2A A26 Comp.V Output 1 B24 Trip Signal C08 COM2B Note: 1.Ia,Ib,Ic are protection A27 Comp.V Output 2 B25 Alarm Signal C09 DCS1+ currents. A28 B26 C10 2.IA,IB,IC are measureComp.V Output 2 Operate CIR DCS1- currents. A29 Output B27 Power off C11 DCS2+ 3.I0 is zero sequence current. 4.Ua,Ub,Uc,U0 are voltages. A30 Output B28 Power off C12 DCS2- 5.DCSIn1～2 are 2-way 4～20mA A31 V Adjust Lock B29 Power inputs.Open contact 6.DCS1～2 are 2-way 4～20mA A32 V Adjust Lock PowerCommom contact B30 outputs. A33 V Adjust Lock 7.COM1 and COM2 are 485Closing contact B31 interfaces, Net1 and Net2 are A34 Remote control B32 Shielded ground Ethernet ports.common contact A35 Remote control 8. Whether +24V on Power board closing contact is the standard configuration A36 Remote control or not can be fixed when trip contact using internal +24V as feeder. Figure 1 Terminal diagram of MTPR-840Hc transformer backup protection and monitoring device 35 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Addendum 2: Typical wiring diagram of the device Ua Ua' Ub Ub' Uc Uc' U0 U0' Ia Ia' Ib Ib' Ic Ic' IA IA' IB IB' IC IC' I0 I0' I0j I0j' Zero-sequence Protection current Zero-sequence Gap zero sequenceBus voltage voltage Measuring current current current AC plug-ins Local Lock Startup Cooling Trip Native MTPR-840Hc transformer backup Trip Net1 protection and monitoring device Native SW Trip Net2 other SW 1 Trip other SW 2 Debugging port Comp.V Output 1 Comp.V Output 2 Other Output ...... COM1A COM1B Trip Power plug-in unit Shielded ground position COM2A Closure COM2B position DCSOut1+ Closed position monitoring DCSOut1- Trip coil DCSOut2+ Trip position monitoring DCSOut2- Closed coil -KM KM Remote common terminal Remote closing Manual closing input DCSIn1+ DCSIn1- Remote Tripping DCSIn2+ Manualtripping input DCSIn2- +KM KM Note： 1.When the SA is connected to 5,6 contact，The SA is at the “Remote” position, the power of the remote control circuit will be switched on, closing and trip with remote control. when the SA is connected to 9,10 contact, The SA is in manual closing state. when the SA is connected to 1,2 contact, The SA is in manual Tripping state. 2.As shown in the figure,PT secondary is star connection,when V－V wiring is present, terminals D17,D22 are connected to phase A of PT secondary,terminals D18,D19 to phase B of PT secondary,terminals D20,D21 to phase C of PT secondary. Figure 2 Typical wiring diagram of MTPR-840Hc transformer backup protection and monitoring device 36 AC plug-in unit CPU plug-in unit KM Input common Charged terminal- protection plate KM Over-currentBreaker plate Trolley run Overhaul Trolley test 24V+ Signal common GEarth Switch terminal Spring Trip Signal Other CV Alarm Signal Ex Trip Local Operate CIR Input 8 Power off Input 9 Power off Input 10 Power+ Input 11 Power- Input 12 Input 13 Shielded ground Input 14 Shielded ground Input 15 Input 16 Gap protection strap I/O plug-in unit break User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Addendum 3: Operating circuit of MXPR-800Hc series device Traditional operating circuits are started by current, while a voltage maintaining circuit realizes electric trip prevention. An anti-trip relay will be selected depending on the current of the trip/closing circuit of the circuit breaker. However, this has poor generality and can hardly be realized for circuit breakers with low trip and closing currents (such as 10KV circuit breakers from AEG Company in Germany, whose trip and closing currents are not greater than 0.2A). To simplify wiring and design finalization, and to improve the generality of the product, we offer a new operating circuit shown below. Spring mechanism operating circuit 37 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Permanent magnetic breaker operating circuit In the diagram, When the SA is connected to 5,6 contact，The SA is at the “Remote” position, the power of the remote control circuit will be switched on, closing and trip with remote control. when the SA is connected to 9,10 contact, The SA is in manual closing state. when the SA is connected to 1,2 contact, The SA is in manual Tripping state. 38 User’s manual of MTPR-840Hc transformer backup protection and monitoring device WLD[K]-JY-314-2018 Note: The dotted line outlines the internal circuit of the protection device. All our devices marked with “anti-trip circuit” are designed on this operating circuit. Terminals Tn1, Tn2 corresponding to the protection relay Jn are determined by the corresponding protection output control word. Jn can be any one or more of Protection outputs 1-8. Whether local or remote control, the precondition to jump is Terminal A06 of the device is always connected to +KM. After manual or remote controlled closing, if a short-circuit fault occurs, the protection will operate to trip the circuit breaker. Though Terminal A06 of the device is connected to +KM, the closing circuit is disconnected by TBJ1 and will not be closed again. In this way, circuit breaker jump is effectively prevented. 39