2F, 4Cell, Tower C, In.Do Mansion No.48A Zhichun Road, Haidian
Contents
1. son0annnnoneannnnonennnnennnnnnennnnrnrenennnnnnnennnnen 20 4 5 How to Save and VIEW Le E 22 4 6 How to set system time nennen nnn nnn nnns 24 WEINI C T 25 EE 25 EE 25 TC UE 27 EE EEN 27 62 ParatieterS educ PM M PII MI CM Cod Du COD le Cru DUE 28 B 3 En e 30 gt Stat SCQUCNCE TOS bassist site EEN ERE 32 rope PERENNE NENNEN 32 Yi E N EEE E E D TTE 32 e A E 33 Inverse Time Current Protection Test ccccsssssseeesceessseeeeecensseeesennsseeeseoenneeees 36 SNE SNE BYG TEN RERNE E Ee 36 8 2 Parame le cese E Cea MERE MI II INNAM 36 8 3 Example Inverse Limit Current Test 37 Frequency Action Value Test e eese eeieee Eee 39 PW431D User Manual Gi EE 39 eu EE 39 9 3 Example Automatic Test on Low cycle Action Value 39 10 Frequency Action Time Test e eee eee eere eee erre eee nnns 41 TOO I II CH ccce 41 102 Faramete hoe ne eee P I I E E EAE 41 FORB EA DIE SETE ET I I er E E IL 42 10 3 1 cg SARA ARLES 42 RE ol ne EE 44 10 33 lune EE 46 NB ege del Rp 48 EEN r A 48 EE 48 11 3 Example Directional Over current II with Low voltage Blocking 48 12 ee e H TEE 51 12 H eet 51 I2 cara gt S Ee 51 123 E XAMDE Sas areata at tattle tliat ns a nc dt dedi 52 13 DC ee Value TES E 54 TE OVER Ear ann on n 54 Tier EE 54 T3353 EXAMDIC Ee 55 pope AGCUOM2. 6 Crocodile Clips F gt Te ical Ga lS m b RR ct iy KA Fu j gt rie 5 gp aw e cl wW ie i i Crocodile clamp Test lead Ponovo kit Screw type terminal SAW 0208 Crocodile clips Amount 2xred 2xblack 2xyellow 2xblue Crocodile clips for secondary side to connect to pins or screw types 66 PW431D User Manual 7 U Clamps SAW0209 U clamps 1 SAW0210 U clamps 2 Amount 10xred 10xblack oxred 5xblack U clamp Test lead Ponovo kit Screw type terminal It is used to connect test leads with screw type terminals Notes One end of the adapters have no Users insert the non safety into the insulator users should make sure there is terminals and screw it firmly then connect no output during connecting the adapters the test lead with the other end 67 PW431D User Manual 8 Pin clamps gt c S Pin clamp Test lead Ponovo kit Elles Screw type terminal SAW0211 Pin clamps Amount 4xred 4xblack It is used to connect test leads with screw type terminals 9 Power Cord SAWOO09 Power code Amount 1 piece Power cord connects the PW431D with power supply socket PONOVO will provide relevant plug socket according to different countries For the plug socket information please check the Chapter 16 Appendix 68 PW431D User Manual 10 Earthing Lead Ponovo kit Earthing lead Ground SAW0018 Earthing lead Specification 2
3. la 60 0 which is the sensitive angle enabling over current at the power direction AC Action Value gt gt Setting Prefault phase voltage 57 735V Prefault la 0 000A Prefault la 60 0 Prefault time 5 008 Fault phase voltage 5 000V Fault la 4 800A Fault la 60 0 Fault time 1 008 Rated frequency 50 000Hz Fig 12 1 4 Test Result PW431D User Manual AC Action Value gt gt Result Action Time 0 5215 Fig 12 2 53 PW431D User Manual 13 DC Action Value Test 13 1 Overview This unit is to carry out the automatic test on DC current voltage s action value return value and return coefficient 13 2 Parameters 1 Variables Udc can be DC300V at most and la can be 20A at most 2 Changing Mode Initiah End Initial Initial End For Initial End Initial mode the variable will alter from the initial value to the end value the protection will jump to the end value and then alter to the initial value When the protection returns to its initial value the test is over Record the action value return value and return coefficient during the test For Initial End mode The variable will alter from the initial value to the end value When the protection acts the test is over Record the action value Changing step It s the value of which every step increases or decrease during the changing process which can define the test accuracy 3 Time Step It s the period during which certain st
4. 420NOVO PONOVO POWER CO LTD 2F 4Cell Tower C In Do Mansion No 48A Zhichun Road Haidian District Beijing China Post Code 100098 mos TEL 86 10 82755151 ext 8887 FAX 86 10 82755257 Info relaytest com PW431D HARDWARE USER MANUAL VERSION PW431D AE 5 03 DATE 14 07 2011 This manual is the publisher of PONOVO POWER CO LTD To make any kind of copy of this manual please contact PONOVO POWER CO LTD in advance This manual represents the technical status for the moment of publishing The product information description and specifications mentioned in the manual do not have any contact binding force and PONOVO POWER CO LTD remains the right to make modifications to the technical specifications and configurations without prior notice PONOVO POWER does not take responsibility to the possible error mistakes in this manual PW431D User Manual Notes A Before test ground the main machine to avoid inductive static electricity that might occur on the running tester Nae careful of voltage output especially over 36V to aviod electric shock hazards Nine voltage and current output terminals of the tester should NEVER import other voltage and current sources During test if the testing protection equipment feedbacks the voltage to the tester it might cause damage So be careful LN Break off the outside circuit of the protection equipment to ensure the accuracy of the test Besides ground the voltage N
5. 10 3 1 Example 1 1 Test Item Automatic test on low cycle action time 2 Protection setting information Low cycle setting 49Hz action time setting value 2s slip setting value 2Hz s line voltage blocking value 60V current blocking value 1A 3 Test wiring If the blocking function for current protection is enabled the current must be imported Since it s the automatic test on low cycle action value the action contact to be protected should be taken the transient contact Connect the action contact to be protected to any of A B C or D binary input terminals of the tester randomly 4 Parameter Setting e Fixed value frequency 49Hz setting time 2S which are the protection settings e df dt 1Hz s which should be smaller than the slip blocking setting value to enable low cycle load dropping outlet e 3 Phase Line Voltage 100V which should be larger than the low voltage blocking setting value to enable the low cycle load dropping outlet e 3 Phase Current 1 2A which should be larger than the low current blocking setting value to enable the low cycle load dropping outlet See below illustration Frequency Action Value Setting Frequency Setting 49 000Hz Time Setting 2 00s Rated frequency 20 000Hz didt BEH Phase voltage 100 000V Phase current 1 200A Fig 10 1 5 When the test begins the tester will output 100V positive sequence line voltage 1 2A la 50Hz frequency for 3s after the 3s the frequency wil
6. 5mm2x4m Amount 1 piece Earthing lead connects the PW431D with ground to ensure kit safety Notes In order to avoid static induction ground reliably before testing users should connect the PW431D with 11 PC control cable LAN SAW0012 PC control cable LAN Amount 1 piece The LAN cable connects the PW431D with PC for communications 69 PW431D User Manual 15 8 2 Transportation Case The large size case with wheels is designed for heavy transport stress with folding hand it is made of fireproof materials and smooth rolling rubber tires SAC0105 Transportation case Dimension 465x250x525mm WxHxD Weight 10Kg 70 PW431D User Manual 16 Appendix In order to assure PONOVO sockets are used smoothly in foreign countries PONOVO provides the plug sockets to our customers in different countries The followings are the sockets used in different countries 1 Plug Type B Type B adapter is mainly used in America Canada and Taiwan etc 71 PW431D User Manual 2 Plug Type I Adapter The UK type plug is mainly used in United Kingdom India Pakistan Thailand Malaysia Singapore New Zealand and Hong Kong etc 3 Plug Type L Adapter Type L Adapter is mainly used in South Africa and British Standard 15A 72 PW431D User Manual 4 Plug Type N Adapter This adapter is mainly used in Italy 5 Type G Adapter Type G Adapter is mainly used in German Finland France Norway
7. 9Hz S whether the low cycle load dropping will act or not Setting frequency 49Hz setting time 2s which are the protection setting values df dt 1 9Hz s which should be smaller than the slip blocking setting value to enable the low cycle load dropping outlet 3 Phase Line Voltage 100V which should be larger than the low voltage blocking setting value to enable the low cycle load dropping outlet 3 Phase Current 1 2A which should be larger than the low current blocking setting value to enable the low cycle load dropping outlet Frequency Action Value gt gt Setting Frequency Setting 49 000Hz Time Setting 2 00s Rated frequency 30 000Hz didt EEH Phase voltage 100 000V Phase current 1 200A Fig 10 3 Test Result Low cycle load dropping will act e Fixed point test when df dt 2 1Hz S whether the low cycle load dropping should act or not oetting frequency 49Hz setting time 2s which are the protection setting values df dt 2 1Hz s which should be larger than the slip blocking setting value to disable the low cycle load dropping outlet 3 Phase Line Voltage 100V which should be larger than the low voltage blocking setting value to enable the low cycle load dropping outlet la 1 2A which should be larger than the low current blocking setting value to enable the low cycle load dropping outlet PW431D User Manual Frequency Action Value gt gt Setting Frequency Setting 49 000Hz Time Setting 2 005 Rated fre
8. Sweden Poland South Korean Austria Spain Hungary Czech Ukraine Turkey Brazil and Russia etc 73
9. a kind of relay protection tester that can not only run online with accessible notebook computer but also run offline applying the advanced international upper computer and lower computer design idea For the online run with notebook computer the notebook computer is appointed as upper computer and DSP is appointed as lower computer for offline run micro controller is appointed as upper computer while DSP is the lower computer Since the calculation and the output control are accomplished by DSP FPGA the hardware parameter index for offline run is identical with the peer for online run with notebook computer Refer to the user s manual of PW series relay protection tester for detail PW431D User Manual 4 2 Test Function 1 Manual test This unit can output 4 line AC voltage 3 line AC current 1 line DC voltage and 3 line DC current to realize the manual control over DC variable s amplitude AC variable s amplitude phase and frequency according to the steps 2 Distance test This unit can carry out the setting check the logic check and the switch transmission test for circuit protection 3 State sequence test This unit can control complex process flexibly it can define 8 continuous test states at most that can be set of its voltage current amplitude and phase at will switching among states by time or triggered by binary input du i f t ptest This unit can carry out the tests over frequency action value frequency action time A
10. range 0 300Vac 0 300Vac dc of wiring and test circuitry We can also use this provision to analyze the external Current input range 0 30Aac 0 30Aac dc signals such as phase angle power harmonic etc 59 PW431D User Manual 15 2 PGPS02 GPS based 15 3 IRIG B Based Synchronization Device Synchronization Device It provides GPS synchronization signal in PPS pulse per second or PPM pulse per minute for synchronized test Trigger time can be set locally It converts external IRIG B signal into trigger pulse to synchronize several of our relay test equipment for synchronized test application s CU sml or f 0NoOvoO NC oj de PIRIG BOT SAG0102 PIRIG B SAG0101 PGPS02 Via the PIRIG B interface box users can connect devices to the PW431D test set that either transmit or receive the IRIG B time reference signal DC level shift protocol BOOx That way two or more PONOVO test sets are synchronized You can synchronize two or more PONOVO test sets by connecting a PGPS synchronization unit to each of the test sets inputs For detailed information about the PGPS please refer to the PGPS User Manual the product catalog or the PONOVO Web site WWW ponovo com cn For detailed information about the PIRIG B please refer to the PIRIG B User Manual Table 8 2 Pulse signal level TTL or RS 232 Timing error between TYP lt 100ns two RT GPS MAX 500ns Pulse width Weight 640g Dimension W
11. the phase voltage continuously to 39V and hold the value for 0 6s again and this process will repeat till the over current protection is enabled by the voltage By then the tester will stop working and record current voltage value In the foregoing voltage changing process la 1 2 4A 4 8A la 60 0 current 1 2 times of the current setting value and the most sensitive angle should always attain the direction condition AC Action Value gt gt Setting Variable UaUbUcwv Changing Mode Initial Endw Initial value EROEM End value 30 000V Step 1 000V Step time 0 60s Rated frequency 50 000Hz la 4 800A ela 60 0 Fig 11 3 Test Result Action value is the phase voltage value AC Action Value gt gt Result Action Value 35 000V Fig 11 4 PW431D User Manual 12 AC Action Time Test 12 1 Overview This unit is to test on AC current voltage s action time 12 2 Parameters 1 Before fault three phase phase voltage UaUbUc are positive sequence voltages and here Ua 0 2 Before fault la and P la the amplitude and phase values of the current that are in its normal states 3 Time before fault The time of the voltage and the current which are outputted before fault 4 Fault 3 phase phase voltage UaUbUc are positive sequence voltages and here Ua 0 5 Fault la Fault 9 la The amplitude and phase values of the current that are in their fault states 6 Fault time It s the period during which the voltage an
12. to each other which can output 2 times of maximum single phase current at most PWWAOD can output 80A and PWSOD can output 60A By then 1 10 test points currents are set to the sum of la lb If la Ib Ic is selected la Ib and Ic have the same phase value and connected parallel to each other which can output 3 times of maximum single phase current at most PWAOD can output 120A PWSOD can output 90A By then 1 10 test points current is set to the sum of la lb Ic 2 he number of test points 10 at most 3 Before fault Time It s the period during which the tester can output the 3 phase voltage setting and by then the current output should be zero 4 Maximum Fault Time It s the maximum period during which the tester can output the current via certain point which should be larger than the maximum action time of each current point When certain current point s protection acts before the maximum action time the tester should stop this current output immediately and go to the output breaking time 5 Output Breaking Time It s the time when the voltage and the current have zero output which is applied to protect complete reset action 6 Anti shake Time It s the time when the tester is trying to avoid any contact shaking If the continuous closing time of the contact is less than the anti shake time it s not believed that the contact is closed well 7 3 phase Voltage It s the voltage that has been outputted before and during fault The
13. will become blue By then the magnitude of time units can be altered by turning around the knob After this altering press the knob again the cursor will recover to orange and be able to be switched among time units again Press Confirm key the time setting will be saved and the screen will exit to View Test Report automatically Press Exit key the time value won t be saved and the screen will exit to main menu Year 209 Month 12 Day 21 Hour 9 Minute 4 Second 0 Fig 4 13 PW431D User Manual 5 Manual Test 5 1 Overview This unit can output 4 line AC voltage 3 line AC current 1 line DC voltage and 3 line DC current which can realize manual control over DC variable s amplitude AC variable s amplitude phase and frequency according to the steps 5 2 Parameters 1 Selectable type of variable Ua Amplitude Phase Frequency UbUc Amplitude Phase UaUbUc Amplitude Phase la Amplitude Phase lalblc Amplitude Phase Udc Amplitude Idc Amplitude All Frequency 2 Changing step The function keys and rotary encoder is used to set changing step to control variable fluctuation Ua 57 735V 0 5OHZ Only for Ua frequency Ub 57 735V 120 49HZ Only for Ub Uc la Ib Ic frequency 3 Alter variable value during test single step increasing single step decreasing manually increase decrease variable value according to changing step operate rotary encoder turn in clockwise to increase it or in anti clockwise
14. x Hx D 95x45x160mm 60 15 4 PSS01 Circuit Breaker Simulator It can simulate circuit breaker behaviors in three pole or 1 pole tripping of 6 500KV voltage grade being available for power system etc It provides 12 circuit breaker auxiliary contacts for complex test applications SABO101 PSS01 This is one of the application examples Triping and Closing Reclose Circuitry D en Auxiliary triping contact 4 7 Auxiliary closing contact PW431D User Manual 15 5 PACB108 Scanning Head The passive optical scanning head PACB108 detects the status of an LED that is either an optical pulse output from an energy meter or the binary status of a protective relay or other similar optical source SAS0101 PACB108 Output pulse 5V or 24V Sampling distance 10 30 mm Maximum sampling pulse 100 pulses second 15 6 Synchronization Control Cable Synchronization control cable is used to connect more relay test kits for synchronized control SAW0015 Synchronization control cable 61 PW431D User Manual 15 7 Fiber Optic Cable SAW0016 SAW0017 Fiber Optic Cable MTRJ ST MTRJ MTRJ When PW431D is connected with a fiber switcher fiber optic cables are required 62 PW431D User Manual 15 8 Standard Accessories 15 8 1 Soft Bag for Test Leads The PW431D Wiring Accessory Package contains the following articles 1 Colour coded current cables SAW0201 0203
15. 20 0 Fig 7 3 State 4 Permanent Tripping State A phase current la 1 2 se 7 2A Phase angle 78 Trigger contact A The tester will output the fault state as soon as entering the permanent tripping state The protection post acceleration will act After 30ms delay of that binary input of the tester receives A phase tripping contact to be protected it will cut off A phase current output in the breaker tripping time simulated by it and stop the test State Sequence gt gt Setting Total Number of States Trigger condition Contact Trigger Trigger Contact Ar After tigger Delay 30 ms Ua 5 000V 0 0 50 000Hz State4 Ub 57 740V 120 0 Uc 57 740V 120 0 la 7 200V 78 0 Ib 0 000A 120 0 Ic 0 000A 120 0 5 The action result shows The recording period is from the beginning of every state to its end 34 Distance gt gt Result State B C 1 700 S S8 S 2 0 0305 s 5 3 5 00 5 B Goen 5 4 0 021s 0 030s 0 030s PW431D User Manual D 0 532 5 0 030 s Fig 7 5 35 PW431D User Manual 8 Inverse Time Current Protection Test 8 1 Overview This unit is to test inverse time current protection with 2 types of methods of list and diagram to display the result The test point can be set by users 8 2 Parameters 1 Variables la la lb la lb ic When la lb is selected la and Ib have the same phase value and are connected parallel
16. C action value AC action time DC action value DC action time 5 Inverse time current this unit is to test on inverse time current protection function which gets two ways to display the test result the list and the diagram PW431D RELAY PROTECTION TESTER Manual Distance State Sequence u i f t Test Inverse Time Current Report REMOTE gt gt Fig 4 1 LU I f t Test gt gt Select Test Items 16 PW431D User Manual 4 3 Operation Introduction 4 3 1 How to select menu U f t o Test gt gt Select Test items Frequency Action Time AG Action Value AC Action Time DC Action Value DC Action Time Fig 4 3 The cursor is moved on the menu by controlling the rotary encoder when the cursor reaches the target press the encoder to go to the menu just selected 17 PW431D User Manual 4 3 2 How to set parameters and select parameters 1 How to set selectable type of parameters Variable DEI Amplitudew Step 0 100V 57 735V Ua 0 0 50 000Hz Ub 57 735V 120 0 50 000Hz Uc 57 735V 120 0 Uz 0 000V 0 0 la 1 000A 0 0 Ib 1 000A 120 0 Ic 1 000A 120 0 Udc 0 000V Fig 4 4 Turn around the rotary encoder to move the cursor to the parameter to be selected which will become orange by then Press the rotary encoder the selected parameter will become dark blue Turn around the rotary encoder to find the parameter to be selected Press the rotary encode to c
17. N TMe TeSt ori a aR 56 TATOV OW ea ee eee ee 56 ER LIMIT TERT T T 56 15 PW431D Related Products and Accessories 58 15 1 Analog Recording Unit AP 101AD 201 59 15 2 PGPS02 GPS based Synchronization Uevce ccc cece ec eeee tees eee eeaees 59 15 3 IRIG B Based Synchronization Devce cece cece eee cece eee eeaeeaee eae eeaas 58 15 4 PSS01 Circuit Breaker Gumulator nnn 59 15 5 PACB108 Scanning e En WEE 59 15 6 Synchronization Control Cable cece eee e ec ee ee eeeeeeeeeeeeeaeeaeesaeeeneas 59 TS ee dee 60 15 8 Standard AGCCeSSOLIBSu aieo EEE 63 15 9 Sot Bad Tor e E 63 19 9 2 Eelere ele RE 70 16 Ap PEN E E 71 PW431D User Manual 1 Characteristics and Technical Parameters 1 1 Characteristics 1 1 1 The signal processing platform is built on latest United States DSP and integrated with advanced FPGA technology which offers strong signal processing ability 1 1 2 The amplifier has smooth and real output waveform without burrs which is high performance and extremely reliable and not like switch amplifiers that easily produce high order harmonic It doesn t have the burr problem that might cause inaccurate settings so it gives great measuring accuracy on broad use high performance quick protection equipments 1 1 3 The real and accurate small current wave causes no electromagnetic pollution and wont interfere any electrical devices on the test site 1 1 4 The la lb lc indication
18. R Amplitude Phase KL is for Nanjing Automation Research Institute NARI and RE RX is for Sifang Automation Co Ltd and Guodian Nanjing Automation Co Ltd 5 PT position The trip phase voltage will recover to the rated voltage before fault when the tester receives trip signal if the bus side is selected the trip phase voltage will have no output when the tester receives trip signal if the line side is selected 6 Breaker Trip closing Time Simulation Trip Time When the tester receives the protection trip signal it will switch the phase voltage and current of the tripping to the after trip state after the trip time Reclosing Time When the tester receives the protection reclosing signal it will switch the voltage and current to the after reclosing state after the reclosing time 7 Fault Property For the permanent type the tester will give the fault selected as soon as receiving the reclosing signal for the transient type the tester will output the rated voltage and OA of current as soon as receiving the reclosing signal Note If the permanent fault type is selected the reclosing contact under protection must be connected to the binary input D or H of the tester 8 Binary out Action ABC 3 trip ABC 1 trip EFG 3 trip EFG 1 trip Reclosing D H If the split phase tripping is selected for the protection the trip A B and C contacts to be protected should be connected to the corresponding A B and C binary inputs of the tester
19. acceleration functions and carry out switch transmission test 27 PW431D User Manual 6 2 Parameters 1 Fault Type A phase earthing B phase earthing C phase earthing AB short circuit BC short circuit CA short circuit 3 phase short circuit Short circuit impedance impedance angle amplitude value and phase of short circuit impedance in fault 2 Short circuit current It s the magnitude of fault phase current when the tester outputs fault According to short circuit current short circuit impedance impedance angle zero sequence compensatory coefficient KO it can automatically calculate the fault phase voltage 3 Maximum fault time It s the time from the fault starting to the end of the test including trip time reclosing time and permanent trip time with the default value of 5s The maximum fault time has the logical OR relationship with the time that the binary input of the tester receives the protection trip contact For example The tester will cut off the current as soon as it receives the outlet contact that has 50ms if the contact didn t connect to the tester the fault current will continue to be outputted till the maximum fault time 5s is reached 4 KO Calculation Method KO is the zero sequence compensatory coefficient Since it s different from different manufacturer select the right one otherwise it will affect the earthing impedance calculation There have 3 methods KO Calculation Method RE RX Z0 Z1 KI KX K
20. al e Check 57 735V 1A aa Check 57 735V 5A Negative sequence voltage 10V Se 21 PW431D User Manual 4 5 How to save and view report All test results can be saved as reports except manual test which users can view after tests The report is named after the saving time of the report plus the test name There can save 20 groups of reports at most Fig 4 9 After test press the Save as Report key on Test Result screen for each test to save current test result During saving there has a notice of Saving report displayed at the left bottom of the screen which will show Report has been saved after the process is done Distance gt gt Test Result A phase Action Time 0 027 s B phase Action Time 5 C phase Action Time e Reclosure Time S Post acceleration Time 5 gt gt Saving Report Fig 4 10 Distance gt gt Test Result A phase Action Time 0 027 s B phase Action Time s C phase Action Time MA 5 Reclosure Time g Post acceleration Time s Report has been saved Fig 4 11 Turn around the knob in main menu When the cursor points to View Test Report press the knob to go to the View Test Report screen No O to 9 groups of reports will be displayed in the saving sequence on the screen automatically Press Next Page key to view No 10 to 19 groups of reports press Previous Page to return to No O to 9 gro
21. alue the action contact to be protected should be taken the transient contact Connect the action contact to be protected to A B C or D binary input terminal of the tester randomly 3 Parameter Setting e Setting Frequency 49Hz setting time 2s which are the protection setting values e df dt 1Hz s which should be smaller than the slip blocking value to enable the low cycle load dropping outlet 39 PW431D User Manual e 3 phase Line Voltage 100V which is larger than the low voltage blocking setting value to enable the low cycle load dropping outlet e 3 phase Current 1 2A which is larger than the low current blocking setting value to enable the low cycle load dropping exit Frequency Action Value gt gt Setting Frequency Setting 49 000Hz Time Setting 2 008 Rated frequency 50 000Hz d dt 1 00Hz s Frequency step 0 010Hz Phase voltage 100 000V Phase current 1 200 Fig 9 1 4 When the test begins the tester will output 100V positive sequence line voltage 1 2A la 50Hz frequency for 3s after the 3s the frequency will decrease at the settled step of 1Hz s till it reaches 49 05Hz Setting frequency Frequency stepx5 which will be held for 2 4s 1 2 times of setting time If the protection won t act it will decrease from the rated frequency again to 49 04Hz for the second time The process will repeat till the protection acts if yes the test should be over If the protection won t act yet the frequency s
22. and current N at the same point A tre tester is only used as a testing tool for the protection equipment DC power supply 0 300V 150W could offer DC power supply for the protection equipment but not for the protection circuit AN rere are some heat sinks for wind ventilation located on the front back or bottom of the main machine Don t cover or block the heat sink which might cause unusual situations A tre machine could not be located in an open place that might catch raining A collec the main machine into packing box when not in use For cleaning the machine unplug electronics firstly and then use cleaner or stupe to do it handie the computer with care and assign special staff for that wren the device works abnormally please contact the factory and don t try to fix by your own PW431D User Manual Content Characteristics and Technical Parameters eese 5 ab eet 5 1 2 Technigie Parameters anssen ube elu a du ufu sus est enes 7 Paneland Operation E Elek 11 ed Front GEN 11 P N EE 12 zelum 13 PC control and Local control Pes 14 E ee e TE 15 SEENEN 15 lee Berets sens Ren tibet tet SEE SEE Eeer 16 4 9 Operation Imo OTT E 17 4 3 1 How lO select MOUs uode ies tpe etr sube be piri de Ub set reds eps DIE Ea dus 17 4 3 2 How to set parameters and select Darameierg 18 4 4 How to import and save parameters
23. chronization Flexible terminal SAW 0206 adapter device synchronization device IRIG B based SAG0102 Flexible jumpers SAW0207 Crocodile clips SAW0208 simulator PACB108 scanning SAS0101 read NE PC control cable SAW0012 control cable LAN cable MTRJ ST Fiber optic SAW0017 REMEE 58 PW431D User Manual 15 1 Analog Recording Unit AR 10 AR 7D AR10 Analog Recorder Unit ge va T _ 3 E gt oo I U i YY i TE i gt D i i 8 V 7 1 BE I t E WA z iN A d d A uf f i i d A d 1 d J zw e s e oad es ken l Aen sed lm C mdi lm key Aml Leen pd Bey m MAX 30A RMS MAX 300V RMS SARO0101 AR 10 AR 70 Analog Recorder Unit P MESES Gs ei i iv j Ku E k 1 DK i E VM I t i KM A d rd e e d Ce LA 5 re GE LV L__yR L vc 3 L vz 3 ut MAX 30A AC DC LL eer MAX 300V AC DC SARO0201 AR 7D The optional AR 10 or AR 7D analog recording unit can be installed on the top side AR um adi 10 is installed here The optional AR 10 or AR 7D analogue signal recording unit can be installed on Main specifications of AR 10 AR 7D the top cover of the test equipment This facility can be used to monitor the AR 10 AR 7D current voltage outputs and binary of analog input output status during the relay test recording channel process enabling the fast trouble shooting Voltage input
24. colour coded current cable Amount 2xred 2xblack 2xyellow 2xblue 1xred 1xblack 1xyellow 1xblue The current cables to connect the PW431D output to other safety sockets of generally the current parts voltage and signal tripping 63 PW431D User Manual 2 Color coded voltage cables SAW0202 Colour coded voltage cable Amount Amount 1x red 1x yellow 1x green 1x blue 1x black The voltage cables to connect the PW431D output to other safety sockets of generally the voltage parts current and signal tripping 3 Signal Cable SAW0204 0205 Signal cables Amount 2xred 2x black 2xred 2xblack It connects the PW431D with other different sockets generally with signal tripping and current voltage testing 64 PW431D User Manual 4 Flexible Terminal Adapter e em j erminal adapter Test lead Ponovo kit Screw type terminal SAW0206 Flexible terminal adapter Amount 10xred 10xblack Flexible terminal adapter connect to screw clip terminals Notes One end of the adapters have non safety into the terminals and no insulator users should make sure screw it firmly then connect the test there is no output during connecting lead with the other end the adapters Users insert the 65 PW431D User Manual 5 Jumper Cable re Ponovo kit Jumper cable Device with safety jack SAW0207 Flexible jumpers Amount 4xblack Flexible jumper connects current outputs in parallel
25. d the current in the fault states have been outputted which should be larger than the exit delay of the protection When the test begins the tester will output the variables in their before fault states It will start outputting the fault states and time counting when the before fault time is reached When the binary inputs of the tester being connected to the action conatact stop testing it will record the action time 51 PW431D User Manual 12 3 Example On the case of directional over current with low voltage blocking test on action time 1 Protection Setting Information Over current setting value 4A over current delay 0 5s low voltage blocking value 48V line voltage directional setting value 90 30 90 wiring most sensitive angle 30 90 wiring is the phase that Ubc exceeds la which could be 120 0 when it s calculated as the phase that la exceeds Ua with the most sensitive angle 60 or 120 0 When it s calculated as the phase that Ua exceeds la with the most sensitive angle 60 2 Test Wiring Connect 3 phase voltage correctly and connect A phase current with the protection Connect the action contact to be protected to any of A B C or D binary input terminals of the tester randomly 3 Parameter Setting Fault 3 phase phase voltage 5V enabling over current with low voltage blocking e Fault la 4 8A Test the over current action time under 1 2 times of the setting value e Fault
26. e low cycle load dropping will act at 62V and won t act at 58V which tells that the voltage blocking value should be within 62 58V 47 PW431D User Manual 11 AC Action Value Test 11 1 Overview This unit is to carry out the automatic test on AC current voltage s action value return value return coefficient action boundary at power direction sensitive angle 11 2 Parameters 1 Variables There have Ua UaUbUc la 9 la for your to select UaUbUc are positive sequence voltages and here Ua 0 2 Changing Mode Initiah End Initial Initial End On the case that the Initial End Initial mode is selected and the variables selected are Ua UaUbUc la these variables will change from their initial values to the end values the protection action will jump to its end value and then change towards the initial value When the protection returns to the initial value the test will close Record the action value return value and return coefficient On the case that the Initial End Initial mode is selected and the variable selected is P la the initial value and the end value of the variable should be set within the non action zone The variable will alter from its initial value to its end value which will act at the boundary l the protection will jump to the end value and then change towards its initial value which will act at the boundary Il by then the test will close Record the boundary I value the boundary II val
27. ep should hold after the changing which should be larger than the exit time of the protection 54 PW431D User Manual 13 3 Example Automatic Test on Action Value Return Value and Return Coefficient of Time Relay 1 Protection setting information Rated voltage 220V action delay 0 5s 2 Parameter Setting e Changing mode Initial End lInitial e Initial value for variable OV e End value for variable 220V According to the inspection regulation of the relay The action voltage should be larger than 70 rated voltage the return voltage should be no less than 5 of it and the return value may be small so the initial value should be set low too See below illustration Variable Udcw Changing Mode Initial End Initialw Initial value 0 000V End value 220 000V Step 1 000V Step time la 0 000A Fig 13 1 Test Result DC Action Value gt gt Result Action Value 180 000V Return Value 24 000V Return Coefficient 0 133 Fig 13 2 55 PW431D User Manual 14 DC Action Time Test 14 1 Overview This unit is to carry out the automatic test on DC action time 14 2 Parameters 1 Before fault Udc Maximum value DC300V 2 Before fault la Maximum value 20A 3 Before fault time It s the period during which the voltage and the current before fault have been outputted 4 Fault Udc Maximum value DC300V 5 Fault la Maximum value 20A 6 Fault time It s the period during which the fault voltage and the
28. er than the low voltage blocking setting value to enable the low cycle load dropping outlet la 1 2A which should be larger than the low current blocking setting value to enable the low cycle load dropping outlet Frequency Action Value gt gt Setting Frequency Setting 49 000Hz Time Setting 2 005 Rated frequency S0 000Hz didt 1 00Hz s Phase voltage 62 0004 Phase current 1 2004 Fig 10 5 Test Result The low cycle load dropping will act e Fixed point test When 3 phase line voltage 58V whether the low cycle load dropping will act or not Setting frequency 49Hz setting time 2s which are the protection setting values df dt 1Hz s which is smaller than the slip blocking setting value to enable the low cycle load dropping outlet 3 Phase Line Voltage 58V which should be smaller than the low voltage blocking setting value to disable the low cycle load dropping outlet la 1 2A which should be larger than the low current blocking setting value to enable the 46 PW431D User Manual low cycle load dropping outlet Frequency Action Value gt gt Setting Frequency Setting 49 000Hz Time Setting 2 00s Rated frequency 50 000Hz didt 1 00Hz s Phase voltage ETME Phase current 1 200A Fig 10 6 Test Result The low cycle load dropping won t act e Fixed point Test Conclusion On the case that the low frequency attains the outlet condition and the slip blocking and current blocking values both enable the outlets th
29. f A B C ABC When ABC is selected ABC is in the logical OR relationship which means only when the binary input A B C of the tester all receive the action contact at the same time this state will be closed and move on to next state 4 After trigger Delay Time It s applied in the breaker tripping and closing delay situation When the trigger condition is reached this state won t move on to next state until the delay time is passed 32 PW431D User Manual 7 3 Example 1 1 Test Item Simulate A phase earthing permanent fault in zero sequence zone I carrying out action time reclosing time and post acceleration time tests 2 Protection Information Only enable zero sequence protection enabling connection strap disable tripping reclosing outlet straps zero sequence sensitive angle 78 zero sequence setting of zone 6A 3 Test Wiring Connect the voltage and current outputs of the tester to the terminal to be protected correctly The binary input A and D on the front panel of the tester will be connected to the trip A to be protected with one terminal and to the positive power of the tripping and closing with another terminal 4 Set 4 States The total number of states is 4 State 1 Before fault State rated voltage OA of current time trigger 15s It s used to charge reclosing State Sequence gt gt Setting Total Number of States State 1 Trigger condition Time Trigger State Time 15 00s After trigger Delay 0 m
30. fault current have been outputted which should be larger than the exit time of the relay When the test begins the tester will output the variables in their before fault states It will start outputting the fault states and time counting when the before fault time is reached When the binary inputs of the tester being connected to the action conatact stop testing it will record the action time 56 PW431D User Manual 14 3 Example Action Time Test on DC Time Relay 1 Protection setting information Rated voltage 220V time 4s 2 Test wiring Connect the Udc of the tester to the relay voltage coil connect the action contact to be protected to any of A B C or D binary input terminals of the tester 3 Parameter Setting DC Action Value gt gt Setting Prefault Ude 0 000V Prefault la 0 000A Prefault time 5 00s Fault Ude 220 000V Fault la 0 000A Fault time Fig 14 1 4 Action Result DC Action Value gt gt View Report Action Time 4 081s Fig 14 2 57 PW431D User Manual 15 PW431D Related Products and Accessories This chapter describes the optional equipments and accessories for the PW437D test set Please visit the PONOVO Web site www ponovo com cn for up to date information Optional accessories Standard accessories AR 10 analog SARO0101 Color coded current SAW0201 0203 een TT Los AR 7 analog SAR0201 Color coded voltage SAW0202 een am PGPS02 GPS based SAGO101 Signal cables SAW 0204 0205 syn
31. hould drop to 48 05Hz setting value frequency stepx5 and the test will be closed by then 5 Test Result Frequency Action Value gt gt Result Action Value 48 990Hz Fig 9 2 40 PW431D User Manual 10 Frequency Action Time Test 10 1 Overview This unit is to carry out the automatic test on action time of low cycle load dropping and have fixed point tests on slip blocking value voltage blocking and current blocking values 10 2 Parameters 1 Setting Frequency It s the frequency value when the tester starts time counting which should be set to corresponding low frequency setting or actual action values 2 Setting Time Low cycle action time setting 3 df dt The value should be set to be smaller than frequency slip blocking setting value to enable low cycle load dropping outlet 4 3 phase Line Voltage It s the value of the voltage that will be outputted during test which is the positive sequence line voltage that is 3 phase symmetry making easier to match with the low cycle load dropping line voltage blocking value If the value is larger than the voltage blocking value the low cycle load dropping outlet will be enabled 5 3 Phase Current This value should be larger than the current blocking setting value to enable the low cycle load dropping outlet The current and voltage s phases are fixed at UA 0 UB 120 UC 120 IA 30 IB 150 IC 90 41 PW431D User Manual 10 3 Examples
32. if the 3 phase trip 28 PW431D User Manual is selected the trip contacts under protection could be connected to any of A B and C binary inputs of the tester randomly During the setting check the outlet strap will open the contact should be empty or one end of it connects to tripping and closing positive terminal and another end connects to the protection outlet which should be via the ABC binary input on the front panel of the tester during the switch transmission enable the tripping and closing of the outlet strap one end of the binary input connects to the positive power of the tripping and closing and another end connects to the protection outlet which should be via the EFG binary in on the back of the tester When ABC 3 irip or ABC 1 trip is selected as the trip contact the reclosing contact should connect to the binary in D of the tester when EFG 3 trip or EFG 1 trip is selected for as the closing contact the reclosing contact should connect to the binary in H of the tester 29 PW431D User Manual 6 3 Examples 1 Test Item Simulate the single phase earthing permanent fault within I zone of earthing distance and then carry out the action time reclosing time and post acceleration time tests 2 Protection Information Only enable the distance protection enabling connecting strap Earthing impedance setting of zone 1O Positive sequence sensitive angle 78 Zero sequence compensatory coefficient K 0 67 enable the
33. l decrease at the settled step of 1Hz s when it reaches 49 05Hz the tester will start time counting The frequency continues to decline till the protection takes action By then the binary input of the tester receives the protection action contact it will stop time counting and record the action time If the protection won t work and the time has elapsed for 1 2 times of the setting time the test will stop In order to avoid the too low blocking protection caused by over low frequency the minimum frequency limit of the tester is set to 45Hz which means the frequency can only decline to 45Hz as farthest And when the time elapses for 1 2 42 PW431D User Manual times of the setting time the test will stop 6 Test Result Action Time 2 0305 Fig 10 2 43 PW431D User Manual 10 3 2 Example 2 1 Test Item Fixed point test on slip blocking value 2 Protection setting value information Low cycle setting value 49Hz action time setting value 2s slip setting value 2Hz s line voltage blocking value 60V current blocking value 1A 3 Test wiring If the blocking function for current protection is enabled the current must be imported Since it s the automatic test on low cycle action value the action contact to be protected should be taken the transient contact Connect the action contact to be protected to any of A B C or D binary input terminals of the tester randomly 4 Parameter Setting e Fixed point test when df dt 1
34. lights on the panel will flame in certain combinations to identify current distortion situations caused by open circuit or overload resistance of the current source type current output circuit 1 1 5 Under voltage distortion situations caused by short circuit or overload of the voltage source type voltage output circuit the distortion detection circuit will automatically shut down the voltage amplifier and flame the indication light on the panel to identify short circuit of voltage output If the short circuit or overload situations were fixed the voltage amplifier will recover to work automatically 1 1 6 Binary inputs can be electrically isolated from each other and compatible with dead contacts and 15V 220V DC potential The potential polar can be automatically identified which gives lots of benefitial to application and field wiring 1 1 7 The manual soft startup mode improves the reliability of the power and shield the impact on the testing protection equipment and electric network when startup so that it protects the testing machine from mis startup because of turning on off the tester 1 1 8 Mass wind cooling heat sink has separated wind tunnels and electronic parts mounted on the electrical board inside the machine case and formed negative voltage to resist the pollution of harmful gas and dust to keep long term cleaning inside the case Its PW431D User Manual intelligent wind system can control the wind volume according to the tempera
35. ne and Ill to avoid any influence on the zone II during the test 3 Test Item 1 On the case of directional over current with low voltage blocking test on current action value Set Parameters see below illustration AC Action Value gt gt Setting Variable law Changing Mode Initial Endw Initial value 3 500A End value 5 000A Step 0 100A Step time 0 605 Rated frequency 50 000Hz Phase Voltage 5 000V la Fig 11 1 When the test begins the tester will output la 3 5A for 0 6s If the protection doesn t act it will output the 3 6A for 0 6s again and this process will repeat till the protection acts By then the tester will stop working and record the protection action value In the foregoing current changing process 3 Phase phase voltage 5V the low voltage should always enable the over current outlet 9 la 60 0 Since Ua 0 the most sensitive angle 30 of that Ubc exceeds la when la is set to 60 0 Test Result AC Action Value gt gt Result Action Value 4 000A Fig 11 2 Test Item 2 On the case of directional over current with low voltage blocking test on voltage 49 blocking value PW431D User Manual Set parameters see below illustration When the test begins the tester will output positive sequence phase voltage 40V for 0 6s which can be calculated as line voltage 68V and should be larger than 60V low voltage blocking value line voltage If the protection doesn t act it will decrease
36. onfirm the selection By then the parameter selected will become orange which means the parameter selection is done 2 How to set numerical type of parameters Manual gt gt Setting Variable Uaw Amplitudew Step 0 100V Ua 57 735V 0 0 50 000Hz Ub 57 735V 120 0 50 000Hz Uc 57 735V 120 0 Uz _0 000V 0 0 laa ENT 0 0 Ib 1 000A 120 0 lc 1 000A 120 0 Udc 0 000V Turn around the rotary encoder to move the cursor to the parameter to be selected which will become orange by then Press the rotary encoder and the parameter selected will become dark blue and at the same time at right bottom corner of the screen there will appear the coarse fine adjustment function key which can switch between coarse adjustment and fine adjustment Turn around the rotary encoder to set parameter When the coarse fine adjustment option is shown up the number before the decimal point can be adjusted when the fine coarse 18 PW431D User Manual adjustment is shown up the number behind the decimal point can be adjusted Press the rotary encoder to confirm the parameter setting by then the parameter selected will become orange which means the parameter setting is done PW431D User Manual 4 4 How to import and save parameters e The parameter setting for each test is available to be saved and imported There has the storage room that could contain at most 10 groups of parameters including 3 groups of default parameters and 7 group
37. otection setting values which means the input value is identical with the protection setting value 2 df dt This value should be set to be smaller than the frequency slip blocking setting so that the low cycle load dropping outlet could be enabled 3 3 phase Line Voltage It s the value of the voltage that has been outputted during test which is the positive sequence line voltage that is 3 phase symmetry to make easier to match with the line voltage blocking value of low cycle load dropping The value should be set to be larger than the voltage blocking setting value to enable the low cycle load dropping outlet 4 3 phase Current The value should be set to be larger than the current blocking value to enable the low cycle load dropping exit The phases of current and voltage are the fixed at UA 0 UB 120 UC 120 IA 30 IB 150 and IC 90 5 Frequency Step The testing accuracy of the frequency action depends on this value Smaller the value higher the testing accuracy but it will take much more time It s suggested to be 0 050Hz 9 3 Example Automatic Test on Low cycle Action Value 1 Protection Setting Information Low cycle setting 49Hz action time setting value 2s slip blocking value 2Hz s line voltage blocking value 60V current blocking value 1A 2 lest Wiring If the blocking function for current protection is enabled it s needed to import the current Since it s the automatic test on low cycle action v
38. phase sequence is positive Ua 0 36 PW431D User Manual 8 3 Example Inverse Limit Current Test 1 Parameter Setting Set the test points 1A 2A 3A 4A 5A Maximum Fault Time 40s which is the action time when the current is larger than the minimum value of 1A Inverse Time Current gt gt Setting Variable la w i Test Point 1 000 A Prefault test points 2 2 000 A Prefault Time 1 00s 3 3000 A Maximum Fault Time 40 00s 4 4 000 A Interral Time 1 005 5 5 000 A Anti shake Time 5 ms phase Voltage 57 740V i 0 0 Fig 8 1 2 Test Process Each test point will start to output current when the before fault time is reached and will start time counting at the same time When the binary input acts the test point will stop the test and will go to next test point within the output breaking time 3 Test Result Displays Inverse Time Current gt gt View Report 1 1000 A 35 3225 2 2000A 19 769s 3 3000A 9543s 4 4 000 A 5 572s 5 5000A 4789s 0 000 0 000 0 000 0 000 0 000 0 000 0 000 0 000 0 000 0 000 Fig 8 2 Press Next Page to go to the graphical display screen for the test result 37 PW431D User Manual Inverse Time Current gt gt View Report 38 PW431D User Manual 9 Frequency Action Value Test 9 1 Overview This unit is used to carry out the automatic test on frequency action value of low cycle load dropping 9 2 Parameters 1 Setting frequency setting time Input certain pr
39. quency 50 000Hz df dt 210 Phase voltage 100 000V Phase current 1 200A Fig 10 4 Test Result The Low cycle load dropping won t work e Fixed point Test Conclusion On the case that the low frequency attains the exit condition and the voltage blocking and current blocking values both enable the outlets low cycle load dropping will act at 1 9Hz s and won t act at 2 1Hz s which tells that the slip blocking value should be within 1 9 2 1Hz s 45 PW431D User Manual 10 3 3 Example 3 1 Test Item Fixed point test on line voltage blocking value 2 Protection setting value information Low cycle setting 49Hz action time setting value 2s slip setting value 2Hz s line voltage blocking value 60V current blocking value 1A 3 Test wiring If the blocking function for current protection is enabled the current must be imported Since it s the automatic test on low cycle action value the action contact to be protected should be taken the transient contact Connect the action contact to be protected to any of A B C or D binary input terminals of the tester randomly 4 Parameter Setting e Fixed point test when 3 phase line voltage 62V whether the low cycle load dropping will act or not Setting frequency 49Hz setting time 2s which are the protection setting values df dt 1Hz s which should be smaller than the slip blocking setting value to enable the low cycle load dropping outlet 3 Phase Line Voltage 62V which should be larg
40. r potential free Countingfunction lt 3kHz at pulse width gt 150 us PW431D User Manual Binary outputs Auxiliary dc supply Voltage range 0 300V Power 88W at 110V 176 W at 220V 120W at 300V Error lt 0 1 rg typ lt 0 5 rg guar DC voltage measuring inputs Error lt 0 02 rg typ lt 0 05 rg guar Input impedance 100kQ DC current measuring inputs Error lt 0 02 rg typ lt 0 05 rg guar PW431D User Manual Power supply Nominal input voltage 100 240Vac Permissible input 90 260Vac Nominal frequency 50 60Hz Permissible frequency 45 65Hz Environmental conditions Others Local display color LCD 4 7 GPS interface RS232 Ground Socket earth 4 mm banana socket front side Weight 20kg Dimensions W x H x D 360 mmx 157mmx 367 mm PW431D User Manual 2 Panel and Operation Guide 2 1 Front Panel Ethernet 4 Fd Output vonage Output AUX DC Output Power B Online PW400 Universal Test System 1 Current OutputA B C N 2 Voltage OutputA B C Z N 3 Auxiliar DC Output 4 Indication Light Power Online Overheat Overload V IA IB IC la Ib Ic 5 LCD display service life of LCD backlight is 50 thousand hours 6 Communication Interface of Computer Ethernet 7 regulation button also it can be used as Enter key 8 DC measurement Interfaces 9 Function key in test screen during offline run 10 G
41. round Terminal 11 Binary Input A B C D PW431D User Manual 2 2 Rear Panel ERN Iz EI EJ BEES See o Syn Cable E E Reset te oe D 9 9 MAINS SUPPLY 110 240Vac 4 G MAX SUPPLY CURRENT Vf A5 TYPE a 12 Binary Input E F GH 13 Binary Output 5 6 7 8 optional 14 Amplifier Interface 15 PGPS interface 16 Local synchronization interfaces 17 IP Reset button 18 Power Switch 19 Power Socket PW431D User Manual 2 3 Top Panel Binary Output 20 Current Output 2 la Ib Ic In 21 Binary Output 1 2 3 4 14 PW431D Universal Test System 3 PC control and Local control PW431D RELAY PROTECTION TESTER Manual Distance State Sequence u i f t p Test In Remote Control Inverse Time Current Heport REMOTE gt gt 1 Pressing down the button where the word Remote is displayed in main menu interface you can swich to external PC control mode Then connect the external computer to PW431D with an ethernet cable and reset the IP address of the control computer Detail information about external computer control please refer to PowerTest software manual 2 Pressing down the button where the word local is displayed in main menu interface you can swich to local control mode In Remote Control LOCAL PW431D User Manual 4 System Overview 4 1 System Overview The PWD series tester is
42. s Ua 57 740V 0 0 50 000Hz Ub 57 740V 120 0 Uc 57 740V 120 0 la 0 000V 0 0 Ib 0 000A 120 0 Ic 0 000A 120 0 Fig 7 1 State 2 Fault State A phase Current la 1 2hbse 7 2A Phase Angle 78 Trigger Contact A After trigger Delay 30ms After 30ms delay of that the binary input of the tester receives A phase tripping contact to be protected it will cut off A phase current output in the breaker tripping time simulated and go into next state of after trigger State Sequence gt gt Setting Total Number of States Trigger condition Contact Trigger Trigger Contact AF State 2 After triqgerDelay 30 ms Ua 5 000V 0 0 50 000Hz Ub 57 740V 120 0 Uc 57 740V 120 0 la 7 200V 78 0 Ib 0 000A 120 0 Ic 0 0004 120 0 PW431D User Manual State 3 State After Tripping rated voltage OA of current tripping contact D On the case that the fault is solved the voltage will recover to the rated value and the reclosing delay is reached after 100ms delay of the binary input D of the tester will receives the protection reclosing contact it will go to the next permanent tripping state in the breaker closing time simulated by it State Sequence gt gt Setting Total Number of States H Trigger condition Contact Trigger v Trigger Contact De After trigger Delay 100 ms State 3 Ua 57 740V 0 0 50 000Hz Ub 57 740V 120 0 Uc 57 740V 120 0 la 0 000V 0 0 Ib 0 000A 120 0 alc 0 000A 1
43. s of customized parameters The default parameter is named after its function e g 10V negative sequence voltage The customized parameter is named after its saving time Fig 4 6 On the Parameter Setting screen for each test press Save Parameter key to go to the Save Parameter screen No 0 to 3 groups are for default parameters Turn around the knob to switch the cursor between the 4 to 9 groups of parameters in sequence When the cursor is moved to the right position press the knob or the Confirm key to save the current testing parameters which will change their names to the current time Press Exit key to exit the Parameter Setting screen Manual gt gt Save Data 0 Scale Check 57 735V 1A Scale Check 57 735V 5A Negative sequence voltage 10V 2004 12 14 coy C Ch P ooh 2004 12 14 15 18 Fig 4 7 On Parameter Setting screen for each test press Import Parameter key to go to the Read Parameter screen Turn around the knob to switch the cursor among No 0 to 9 groups of parameters When position the cursor correctly press the knob or the Confirm key the testing parameter selected will be imported as the current parameter and the screen will exit to the Parameter Setting screen automatically If there has no parameter saved on the cursor to be confirmed the operation will be invalid Press Exit key to exit to the Parameter Setting screen 20 PW431D User Manu
44. s the period from the time that the tester receives the protection action contact to the time that the tester receives the protection reclosing contact e Postacceleration Time It s the period from the tester receives the protection reclosing contact to the time that the tester receives the protection permanent tripping contact 30 PW431D User Manual Distance gt gt Result A phase Action Time 0 027 s B phase Action Time e C phase Action Time B Reclosure Time 0 580 s Post acceleration Time 0 1215 Report has been saved Fig 6 2 31 PW431D User Manual 7 State Sequence Test 7 1 Overview This unit can control complex process flexibly it can define 8 continuous testing states at most that can be set of its voltage current amplitude and phase at will switching among states by time or triggered by binary input 7 2 Parameters 1 Total Number of States 2 8 states are applied for setting Control the function key of Next State on the right bottom of the screen to view and set any state parameters 2 Trigger Condition It s the condition to decide when this state should be ended Time Trigger It s used to define the output time of this state which will go to the next state when the State Time is finished Contact Trigger When the binary input of the tester receives the protection action contact this state will be ended and move on to next state 3 Trigger Contact There have 4 choices o
45. to decrease it when turn the rotary encoder quickly the variable value will change quickly as well Variable la w Amplitude Step 0 100A Ua 57 735V 0 0 50 000Hz Ub 57 735V 120 0 50 000Hz Uc 7 35V 120 0 Uz 0 000V 0 0 la 1 100A 0 0 Ib 1 0004 120 0 Ic 1 000A 120 0 Ude 0 000V gt gt gt gt Change variables according to the steps ERR Run GA COD 25 PW431D User Manual Fig 5 1 4 Change non variable value during test with the test starting press the function key for parameter setting to change the parameter that has already been set The output won t change during this process Press the Change Complete to confirm the value changed Manual gt gt Setting During Test vara la Amplitude w Step 0 100A Ua 0 000 0 0 50 000Hz Ub 57 735V 120 0 50 000Hz Uc 5 35V 120 0 Uz 0 000V 0 0 la 1 000A 0 0 Ib 1 0004 120 0 Ic 1 000A 120 0 Ude 0 000V gt gt gt gt Change parameter setting Run 9A B C D Fig 5 2 26 PW431D User Manual 6 Distance Test 6 1 Overview This unit can carry out the setting check the logic check and the switch transmission test for circuit protection Set fault current to carry out the setting check on zero sequence protection and over current protection set short circuit impedance to carry out the setting check on distance protection Select fault type do transient permanent fault check s phase selection reclosing reclosing post
46. tripping and reclosing outlet straps 3 Testing wiring Connect the voltage and current outputs of the tester to the contacts to be protected correctly since the tripping and reclosing outlet straps have been enabled the binary in EFGH on the back panel of the tester should be applied one end of which connects to the trip A B C and reclosing outlet respectively and another end is supplied from the positive power of the tripping and closing 4 Parameter Setting Short circuit impedance 0 7 Z 0 7Q impedance angle positive sequence sensitive angle 78 KO calculation method KL amplitude 0 67 ohase 0 See below illustration Fault Type A E w PTPosiion Busside Y Impedance ZO Binary in EFG single tripw Angle 78 0 Redosing EY Short Current 5 000A Fault Direction Positive diraction Max Fault Time 5 000s Rated Freq 50 000Hz Zo Compensation KL Y Rated Phase Voll 57 740V Amplitude 0 670 Breaker s tripping amp LI Phase 0 0 closing time simulation Fault Type Permanentw Tripping Time 30ms Closing Time 100ms 5 Start Test Press Start Test button the rated voltage and current outputted by the tester should be zero e Press the Fault button to trigger the fault the tester will output the fault press the stop test button to stop the test 6 Test Result Display Action Time It s the period from the fault starting to the time that the tester receives the protection action contact e Reclosing Time It
47. ture sensor mounted inside the case Under normal working situation the wind system works at a quiet and low speed When the temperature inside the case was rised up to 50 C the wind system will soeed up to largely upgrade its heat dissipation ability The delicate structure and heat dissipation design not only improves the equipment s ability to tolerate heavy load large current and long time working but also its stability and reliability PW431D User Manual 1 2 Technique Parameters Voltage Generators 4 phase ac L N 4 phase ac L N ac L 4x0 150V 4x0 150V 4 x 4x60VAatiSOV 4x60VAatiSOV 150V 1 phase ac 2x0 300V 2 x 120 VA at 300V Lu cu mu Hw Ax40Watsis0V Item Parameters Accuracy error lt 0 08 rd 0 02 rg guar at 0 150V error lt 0 04 96 rd 0 01 Verg typ at 0 150V 5mV for 150Vac 0 05 typ 0 1 guar Current Generators 6 Phase AC L N 6x0 15A 6x150VA at 15A 3 Phase AC L N 3x0 30A 3 x240VA at 30A 1 Phase AC 3L N 1x0 90A 1 x450VA at 90A DC 3L N 1x0 60A 1x480W at 60A PW431D User Manual Max compliance voltage L N L L 15Vpk 32Vpk Accuracy error lt 0 15 96 rd 0 05 rg guar at 0 15A error lt 0 05 96 rd 0 02 rg typ at 015A General Frequency Phase Angle range 360 to 360 Lead 0 05 typ lt 0 1 guar at 50 60Hz Binary inputs gen Inputcharacteristics 0 400Vdc threshold o
48. ue and the maximum sensitive angle On the case that Initial End is selected the variables will always alter from their initial values to the end values When the protection acts the test will end Record the action result 3 Changing step It s the value of which each step increases or decreases during the changing process which can decide the testing accuracy 4 Time step It s the period during which one step can hold after its changing process which should be larger than the exit time of the protection 11 3 Example Directional Over current Il with Low voltage Blocking 1 Protection Setting Information Over current setting value 4A over current delay O 5s low voltage blocking value 60V line voltage directional setting value 90 30 90 wiring most 48 PW431D User Manual sensitive angle 30 90 wiring is the phase that Ubc exceeds la which could be 120 0 when it s calculated as the phase that la exceeds Ua with the most sensitive angle 60 and could be 120 0 when it s calculated as the phase that Ua exceeds la with the most sensitive angle 60 2 Test Wiring Connect 3 phase voltage correctly and connect A phase current with the protection Since it s an automatic test the action contact to be protected should be taken the transient contact Connect the action contact to be protected to any of A B C or D binary input terminals of the tester randomly Exit the over current zo
49. ups The cursor can be switched among all groups of reports by turning around the knob When position the cursor correctly press the knob or the Confirm key to go to the View Report PW431D User Manual screen for corresponding test results Press the Return to Menu key on the View Report screen to go back to View Test Report screen Press the Exit key on the View Test Report screen to exit to main Menu Manual gt gt Import Data 17 20 Sequence Test 2004 12 07 15 30 High voltage Line Protection Test 2004 12 07 15 27 High voltage Line Protection Test 2004 12 07 15 27 High voltage Line Protection Test 2004 12 23 09 27 High voltage Line Protection Test 2004 12 23 09 27 High voltage Line Protection Test 2004 12 23 09 27 High voltage Line Protection Test 2004 12 23 09 27 High voltage Line Protection Test 2004 12 23 09 27 High voltage Line Protection Test 2004 12 23 09 11 High voltage Line Protection Test Fig 4 12 iD co s Cn cn E 6o hN3 CH 23 PW431D User Manual 4 6 How to set system time PWD tester has its own real time clock which can be calibrated by setting current time on the Set Time screen The time information is useful during parameter and report saving processes Press the Set Time key on the View Test Report screen to go to its screen Turn around the knob to switch among Year Month Day Hour Minute Second time units Press the knob when got right number the cursor
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