HV HIPOT GDTF-250/50 交流谐振测试仪

Specifications

- The rated voltage: 50kV- meets AC withstand voltage testing for 20.5kV fire power generators.

- Working frequence: 45~65Hz, testing voltage ≤44kV, testing time 1min.

- Output voltage waveform distortion rate: < 1.0%

- Allowing continuous working time: one time 60s at rated value.

- Quality factor of the equipment: Q >50

- Quality factor of GIS in full load test: Q > 20 (Related to load)

- Input power supply: Single phase 220V or three phase 380V; 

- Frequency adjusting range: 30-300Hz

- System measurement accuracy: 1.5%

- Over-voltage, over-current, zero-start protection

Parameters for Individual Parts

1. Variable frequency power supply GDTF -22kW/220/380V (1 set)

• Rated output capacity: 22kW

• Working power supply: 3-phase 380V or single phase 220V±5%,50Hz

• Output voltage: 0-400V adjustable

• Rated input current: 55A

• Rated output current: 55A

• Voltage resolution: 0.01kV

• Voltage measuring accuracy: 0.5%

• Frequency adjusting range: 30-300Hz

• Frequency adjusting resolution: ≤0.1Hz

• Frequency stability: 0.1%

• Working time: constant working of 5mins under rated capacity.

• Temperature rise: ≤ 65K after constant working of 5mins under rated capacity.

• Noise: ≤50dB

• Weight: approx. 22kg.

2. HV Reactor GDDK-62.5kVA/25kV (4 sets)

• Rated capacity: 62.5kVA

• Rated voltage: 25kV

• Rated current: 2.5A

• Rated inductance: 32H (per set)

• Continuous working time: 1min

• Temperature rise: <65K

• Working frequency: 30-300Hz

3. Exciting Transformer GDJL-22kVA/5kV/0.4kV (1 set)

• Rated capacity: 22kVA

• Input voltage: 0-400V, single phase

• Output voltage: 5kV

• Output current: 4.4A

4. Capacitive Divider GDFR-50kV/2000pF (1 set)

• Rated voltage: 50kV

• Capacitance: 2000pF

• Working frequency: 30-300Hz

• Measuring accuracy: 1.5%

• Rated voltage: 50kV/2000pF

5. Filter Capacitor GDBC-60kV/25000pF (1 set)

• Rated voltage: 60kV

• Capacitance: 25000pF

• Working frequency: 30-300Hz