HV HIPOT GDTF-240/240 Variable Frequency AC Resonant Test System

Specifications

- The rated voltage: 240kV—meet 145KV GIS with 6 big intervals and 6 small intervals AC hipot test.

- Working frequency: 30~300Hz, testing voltage≤220kV, testing time 1min

- Output voltage waveform distortion rate: < 1.0%

- Allowing continuous working time: rated condition one time 60s.

- 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 measuring precision: 1.5%

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

Parameters for Individual Parts

1. Variable frequency power supply GDTF -15kW/220/380V (1 set)

• Rated output capacity: 15kW

• Working power supply: 220/380±10%V(single/3-phase), power frequency

• Output voltage: 0-400V, single phase

• Rated input current: 37.5A

• Rated output current: 37.5A

• Voltage resolution: 0.01kV

• Voltage measuring accuracy: 1.5%

• 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. 18kg.

2. HV Reactor GDDK-40kVA/40kV (6 sets)

• Rated capacity: 40kVA

• Rated voltage: 40kV

• Rated current: 1A

• Inductance: 100H (per set)

• Quality factor: Q ≥30 (f=45Hz)

• Type: Dry type

• Weight: approx. 45kg

3. Exciting Transformer GDJL-15kVA/15kV/0.4kV (1 set)

• Rated capacity: 15kVA

• Input voltage: 0-400V, single phase

• Output voltage: 15kV

• Type: Dry type transformer

• Weight: approx. 58kg

4. Capacitive Divider GDFR-120kV/1000pF (2 sets)

• Rated voltage: 120kV

• Capacitance: 1000pF

• Dielectric loss: tgσ ≤0.5%

• Divider ratio: 3000:1

• Measuring accuracy: 1.5%

• Weight: approx. 26kg 

Datasheet