Huazheng HZXB-1000kVA/500kV Frequency Series AC Resonance Tester

Rated voltage

22kV- - -meets the AC voltage withstand test of 10kV cable; working frequency: 30-300Hz,

Test voltage is 22kV, and the test time is 5min;

52kV- - -meet the AC withstand test of 35kV cable; working frequency: 30-300Hz,

Test voltage is 52kV, and the test time is 60min;

128kV- - -meet the AC withstand test of 110kV cable; working frequency: 30-300Hz,

Test voltage is 128kV, and test time is 60min;

216kV- - -Meet the AC voltage withstand test of 220kV cable; working frequency: 30-300Hz,

Test voltage is 216kV, and test time is 60min;

300kV- - -AC withstand voltage test of 110kV GIS, switch and circuit breaker; working frequency: 30-300Hz, test voltage not exceeding 265kV, the test time is 1min;

500kV- - -the AC voltage withstand test of 220kV GIS, switch and circuit breaker; working frequency: 30-300Hz, the test voltage does not exceed 495kV, and the test time is 1min;

200kV- - -AC withstand test of 110kV / 80000 kVA main transformer; working frequency: 45-65Hz, test voltage not exceeding 160kV, test time 1min;

Output voltage waveform distortion rate: <1.0%

Allowed continuous working time: 60 minutes of working once under rated conditions;

Quality factor of the device: Q 30 (f=45Hz)

The device output waveform: sine wave

Input power supply: three-phase 380V or single-phase 220V

Frequency adjustment range: 30Hz~300Hz

Accuracy of the system measurement is: 1.5%

The device has overvoltage, overcurrent, zero start and other protection functions