PowerTest Special Modules
Contents
1. parameters 15 Test connection 15 Set test parameters 16 Add test point 17 PowerTest Special Modules This module is designed to check the functionality and accuracy of energy meter Following type of 1 phase or 3 phase energy meters can be checked e Active power meter Reactive power meter e Apparent power meter Energy Meter Errorcurve 20 load Errorcurve 40 load Errorcurve 50 load Errorcurve 60 load Errorcurve 7O load Errorcurve 80 load Parameters Assessment Wiring Name Errorcurve 100 load Add Phase Remove Power Angle 54 5 Power Factor 0 581 Load Inductive Stab time 0 0005 Pulses Est time 3 9058 6 Waveform Sinus Current Ha Harmonic 2nd 0 000 Binary Note to check some type energy meters the optional scanning head is required to turn the LED flash on energy meter into electrical pulse which can be sensed by the test set Please contact the manufacture for more details regarding the scanning head o 02 0 4 05 08 1 12 Energy meter error curve No Results PowerTest Special Modules Set group parameters Click button to enter into group parameter page Group test parameter page along with default settings is shown bellow Variable MeterType Name Meter type Select x PulseType Constant CT ratio Constant Ket PT ratio Kpt Meter type2. this indicates when the fault will occur after power swing stars Frequency this is the reference frequency set in System Configuration PONOVO POWER CO LTD 12 PowerTest Special Modules Power swing example In this example we have made the following settings mi y _ Fault type 26 ij Sault lime Relerence 13 PowerTest Special Modules This module is used to check the accuracy of transducer Parameters Name 100w Add Vnom L N 63 500V Angle 8498 Class 5 000 Add Sweep a Delete Current 6 000A Frequency 50 000Hz m 5 0008 ee CT And PT Ratio Type Active power Single phase Three phase 40000 A ia Sec 0 010 A Min 1000 000w 4 000mA nA Bee Max 1000 000w 4 000mA 700 o0ow FUEL as o 23 08867 100 isi Input Value 100 000W 0000 y 266 87 333 33 333 I Primary Side ec o esu Setting Binary 14 PowerTest Special Modules Example test procedure for one typical transducer Transducer parameters Rate voltage 110V MAO S O 400KV 110V MA Rate current 1A CT ratio 1000A 1A Test connection Current Current Output 1 Output 2 A a fa Voltage Output A TRASDUCER Input V Input PowerTest Special Modules Set test parameters Parameters Name OMVar Ynom L N 63 500 Angle 0 00 Class f1 1 000 Add Current 11 0004 Frequency 50 000Hz Stabilizing ja
3. 5 0005 TYT elete All CT And PT Ratio Prim 11000 000 A Sec 11 000 A Prim 400 000 ky Sec 1110 000 w Transducer settings Type Reactive power Single phase Three phase Input Range Output Range Min 0 000MVar 0 000mA Output mA i x 350 000MVa 4 000mA Input Value 0 000MVar Iv Primary Side Vnom L N 63 500v nominal L N voltage of transducer input Current 1 000A output current to be injected into transducer Angle 000 i between output voltage and current based on power Input Value 0 000MVar power to be provided to the transducer C Single phase Three phase select 3 phase based on the type of transducer Type Reactive power Select Reactive power test based on our test requirement Input Range Output Range Min 0 000MVar 0 000mA the measuring and output range of transducer 350 000MVa 4 000mA the output type of transducer 16 PowerTest Special Modules lv Primary Side CT And PT Ratio Prim 1000 000 A Set the primary side rating in case transducer input reflects the Sec J1 primary side value Prim 100 00 Sec 1 000 The accuracy class of transducer and this setting will be used o Class rs as the assessment criterion Stabilizing 5 0008 The average measuring values during this time will be used to time reflect the actual accuracy of the transducer under test Add test point Click Add to add one point each time New test po
4. P Active power meter Q Reactive power meter S Apparent power meter Select Pulse kVARh kWh kVAh Select pulse unit as pulse per kVARh kWh kVAh VARh Wh VAh Pulse Select pulse unit as KVARh kWh kVAh per pulse Constant Defines the number of pulse for 1 KVARh kWh kVAh if we select Pulse kVARh kWh kVAh Defines the KVARh kWh kVAh value for each pulse if we select kVARh kWh kVAh Pulse Example Select to test kWh meter Seect Pulse kVARh kWh kVAh Set Constant as 100 indicate that each 100 pulses represents 1 kWh Set Pulses in test parameters page as 6 indicate that we are going to sense only 6 pulses for the whole test process he total kWh measured for the whole test process should be 6 100 0 06kWh PT ratio Ratio for voltage In case CT ratio Ratio for Current Set test parameters Parameters Assessment Wiring Name Errorcurve100 load Phase LABC v Current 100 0 In 1 000 4 Voltage 100 0 wn 63 500 Power Angle 0 0 Power Factor 1 000 Add Remove Load Capacitive Stab time 0 0005 Pulses 6 Est time 2 2685 Sinus Current Ha Harmonic 2nd 0 000 Waveform Name Edit here the name for the current test point Phase Indicate the wiring type for the energy meter LABC for 3 phase 3 wire meter and 3 phase 4 wiring meter Wiring for 3P 3W meter Energy Meter Relay Test Set PowerTest Special Modules Wiring for 3P 3W m
5. PowerTest Special Modules 2F 4Cell Tower C In Do Mansion No 48A Zhichun Road Haidian District Beijing China Post Code 100098 TEL 86 10 82755151 ext 8887 FAX 86 10 82755257 Info ponovo com cn Website www ponovo com cn PowerTest Special Modules VERSION PowerTest Special Modules AE 2 10 DATE 23 09 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 PowerTest Special Modules 1 Energy meter 3 a Set group parameters 4 b Set test parameters 4 c Setassessment criterion 5 2 High impedance 6 3 Power Swing Simulation 7 a OENETalecseaci wad 7 b Principle of power swing 7 c Simulation principle 8 d Power swing parameters 9 e Set group parameters 10 f Set test parameters 11 g Power swing example 13 4 ATAanSaUcer nazwa kai 14 a Example 15 Transducer
6. e above parameters and other parameters in our power swing module PowerTest Special Modules Power swing parameters Switch the view button to display swing model and parameters FowerTest Power Sring Template File Task T Report R Settings S View Graph G Help QD zj 1 fg lej 9 ala Porer Sring i O O NR _ Name __ ______ Itm _____ Se lt ower Swinc 0 200DeqSwin Click this button to view the system Then the follow window will pop up Here we an see power swing parameters The power swing center is calculated by taking account of system settings set in group parameters The position of power swing center can be changed by changing the system setiings PowerTest Special Modules Set group parameters Click here to set system settings Group parameters setting page will appear Tprefault CT Polarity s Phi Zs Zt Phi Zt xF xd ft Variable CTPOINT Fi Phis E Phit Xd f5 Tprefauk prefault time will be used when simulating the power swing with fault CT Side select the installation position of CT Line or Busbar IZs Equivalent system impedance for En Phi Zs Impedance angle of Zs Izt Line impedance Phi Zt Impedance angle of Zt Xd Equivalent system impedance for Em FreFaultTime PowerTest Special Modules Set test parameters Parameters Results Wiring Pow Angle Stat Deg Piy Ang
7. eter LA LB LC for single phase meter Wiring for single phase meter VA VB VC Relay Test Set Note Pulse output from energy meter or scanning head must be connected to binary input 1 Current Percent of rate current Voltage Percent of rate voltage Power angle Power Factor Load Set angle or power factor which will be influenced by the selection of Load Stab time Stabilization time required for energy meter to enter into stable working condition Pulses Pulses numbers to be sensed for testing Est time Time required for the test and this time is calculated based on the Pulses number setting and the voltage and current settings Waveform We can select to add harmonic to the voltage or current output no harmonic in the output Sinus Current Harmonic add harmonic to Current output Sinus Sinus Current Harmonic add harmonic to current output The harmonic number and percentage can also be set Example Sinus Current Ha Harmonic 2 In this example we have set to add 5 of 2 harmonic to the current to be supplied to the energy meter 5 000 w Set assessment criterion Click Assessment to enter into criterion setting page Farameters Assessment Wiring Assessment Max Error lt jos OF Criterion ABS ERROR lt 0 5 We can set the value based on the accuracy of the meter under test PowerTest Special Modules This module
8. int Click Quick Add to add more test points each time Start o coomw Stop 1000 coomv Step 100 000Mw Start Start value of the test points Stop Stop value of the test points Step Step value Confirm the setting and we see new test points added in the test list Name Item St A Transducer OMVar 50 000MVar 100 000MVar 150 000MVar 200 000MVar 250 O00MYar 30K 000MVar LSS lt x
9. is used to test high burden relay along with optional Phpc 01 Current Booster Connected to the main test set the Phpc 01 Current Booster will provide one channel current source and will be controlled by this module Necessary voltage sources can also be provided to make relay in proper working condition ig HighImp a Parameters Binary Wiring Enter Results l 0 000A 0 00deg Current Start 0 000A Ratio Factor Current End 10 000A 2 1 0000 Va o0 000v 0 00deg Step 0 100A 4 1 0000 Vb Jo 000v 0 00deg Time 1000s 6 1 0000 Ve Gov od ie Frequency EOG 8 froo 1 0000 Out M Out2 o Transformer Ratio 2 4 6 8 10 Out3 T Out4 M 1 1 1 R Binary refer to optional Phpc 01 Current Booster user manual 300 000V 30 000A requency 50 000Hz 50 000Hz 50 000Hz 50 000Hz Results 132 13 105 7 7928 5285 43 0 F FR mh z ja z PowerTest Special Modules Simulation principle The typical system model used for simulating the power swing is as follows For such a system the swing frequency is determined by swing cycle T We can easily simulate the power swing by defining the following settings Power angle angle between the Generator and Load Swing cycle the time used to complete one cycle of swing Swing numbers how many swing cycles we want to simulate Em En the direction of power swing Internally the swing voltage and current will be calculated by taking account of th
10. le End 200 Bea Swing Cycle 2 lEmi En 128 Trip Contact Acc Signal Contact Pow Angle Start start power angle Pow Angle End be activated when from to from is selected in Swing Mode Swing Cycle normally set range 2 58 Swing Number cycle to simulate Em jEn the ratio of Em En end power angel will time used to complete on cycle of power swing number of power swing l Fault Fault type A E T 47 1 0000hm Ji 5 000A Fault TIME osos IREIETENICE Frequency Swing mode selection from to from increase speed decrease speed Swing Mode Decrease speed swing angle will change from angle start to angle end and then from angle end to angle start swing angle will change from angle start to angle end swing angle will change from angle end to angle start PowerTest Special Modules Set power swing center The ratio of Em En will influence the position of power swing center Em En 1 Em En gt 1 Em En lt 1 Other settings Acc Signal Contact incoming Acceleration Set binary input signal from relay Dec Signal Contact incoming Deceleration Trip Contact assign the binary input for signal from relay sensing the tripping signal from the relay The above two parameters are mostly used when testing out of step relay Available binary inputs are A B E F G H Fault type fault type JZf fault impedance Fault time Reference
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