Technical Parameters
1. Accuracy class: 0.02/0.03
2. Output voltage: 3*57.7/100/220/380V Y/△;0-120%;adjustment fineness:0.01% full range,adjustable phase by phase
3.Output current: 3*0.1-100A(200A also available),0-120%;adjustment fineness:0.0001A(Min),adjustable phase by phase
4. Phase shift:0-360°; adjustment fineness:0.1°,adjustable phase by phase
5. Frequency:45Hz-65Hz;adjustable fineness:0.01Hz
6. Output waveform distortion:Both voltage and current﹤0.3%
7. Output voltage,current,and power stability:﹤0.02%(180s)
8. Output capacity(per phase): current: 200VA(120A);voltage:100VA(6 meter testing stations). If the number of watt-hour meters to be tested is increased whenever necessary,its maximum load maybe extended to current:350VA,and voltage:350VA
9. Load characteristics: Resistive,inductive,and capacitive(less than 4uF)
10. Tests: Demand test;frenquency impact test; voltage impact test; second pulse clock precision test; GPS clock synchronization; constant calibration; combined error test; various register checking; RS485 communication interface test
11. Basic tests: accuracy testing,creep testing(no load testing),starting up testing, harmonic testing,repeatability testing, influencing testing, dial testing etc.
12. Power supply: AC3*220V/380V±10%,50 Hz(customer define),Max.power consumption:1000VA(66 stations)