One,Tested Samples and Test Requirements
1、35kV/300mm2Cable1kmDielectric Withstand Test, Capacitance≤0.1945uFTest Frequency30-300HzTest Voltage52kVTest duration60min。
2、35kV/31500kVAMain transformer's AC withstand voltage test, capacitance ≤0.01uFTest Frequency45-65HzTest voltage does not exceed68kV, Test duration1min。
3、10kV/300mm2Cable3kmDielectric Withstand Test, Capacitance≤1.1uFTest Frequency30-300HzTest Voltage22kVTest duration5min.
Two,Work Environment
1. Ambient Temperature: -150C –45 0C;
2. Relative Humidity:≤90%RH;
3. Altitude: ≤3000Rice
Three、Main Technical Parameters and Functions of the Device
1. Rated Capacity:135kVA；
2. Input Power: Single-phase220Or three-phase380VVoltage, Frequency50Hz；
3. Rated Voltage: 27kV；54kV；108kV
4. Rated Current:5A；2.5A；1.25A
5. Operating Frequency:30-300Hz；
6. Device Output Waveform: Sine Wave
7. Waveform Distortion Rate: Output Voltage Waveform Distortion Rate≤1%；
8. Operation Hours: Continuous operation permitted under rated load60minOverpressure1.1Multiple1Minute
9. Warm RPM: Continuous operation under rated load60minPost-heat rise≤65K；
10. Quality Factors: Device ItselfQ≥30(f=45Hz)；
11. Protection Function: Overcurrent, overvoltage, and flashover protection for the test item(See section on Variable Frequency Power Supplies.)；
Measurement Accuracy: System RMS Value1.5Grade
