Quality Factor Over 30 High Voltage Resonant Test System For 10kV 35kV Cables

   54kV 54KVA AC High Voltage Resonant Test System for 10kV 35KV Cables

This series devices are designed for AC withstand voltage test of substation primary equipment under 550KV or below, mainly composed of variable-frequency power supply, exciting transformer, reactor and capacitive Voltage divider

Features:

1. rated voltage:
    27kV--- meets AC withstand voltage test of 10kV cable

                 working frequency 30-300Hz

                 Test voltage is not more than 22kV, test time is 5min;
    54kV--- meets AC withstand voltage test of 35kV cable

                 Working frequency 30-300Hz

                 Test voltage is not more than 52kV, the test time is 60min;
2. output voltage waveform distortion rate: <1.0%
3. allow continuous working hours: one time working for 60 minutes under rated conditions;
4. Quality factor of the device: Q > 30 (f=45Hz)
5. device output waveform: sine wave
6. input power supply: three phase 380V or single phase 220V
7. frequency regulation range: 30Hz ~ 300Hz
8. system measurement precision: 1.5%
9. over voltage, over current, zero start and other protection functions.

COMPOSITION

1.  Frequency conversion power supply

(1) rated power: 3kW
(2) Input voltage: three phase 380V or single phase 220V + 5% 50Hz
(3) output voltage: 0 ~ 400V
(4) Output voltage frequency: 30 ~ 300Hz
(5) 0.1Hz regulation step
(6) Frequency instability is less than 0.02%
(7) Output current: 0 ~ 7.5A

2.  High voltage reactor (2 units)

3.  excitation transformer

4. capacitance divider (1 units)

5. test line (1 sets)