10KV And 35KV Cable Testing Machine , High Voltage Ac Testing Equipment

Portable Variable Frequency Resonant Withstand Voltage Test Set , For 10KV and 35KV Cable Test

I. Product Usage :

This test set model CHX-405KVA/27KV, 54KV is designed for 10KV and 35KV class XLPE cable on-site AC withstand voltage test with variable frequency resonant circuit technology; the highest test voltage is no more than 22KV or 52KV; test frequency: 30-300Hz; the duty cycle is no more than 60mints. it can help customers to perform preventive  test or hand-over test on  AC withstand voltage test  for XLPE cables 35KV within 3km and 10KV class within 7km .

Test range of the set is as following:

1. 3km of 35kV/300mm2 cable, tested capacitance ≤0.5835uF, test frequency 30-300Hz, test voltage 52kV, test time 60min.

2, 7km of 10kV/300mm2 cable , tested capacitance ≤ 2.62uF, test frequency 30-300Hz, test voltage 22kV, test time 5min.

II. General Technical Data

1. Rated capacity: 405kVA;
2. Input power: three-phase 380V voltage, frequency is 50Hz;
3. Rated voltage: 27kV; 54kV;
4. Rated current: 15A; 7.5A;
5. Working frequency: 30-300Hz;
6. Device output waveform: sine wave
7. Waveform distortion rate: output voltage waveform distortion rate ≤ 1%;
8. Working time: continuous 60min allowed under rated load; overpressure 1.1 times 1 minute;
9. Temperature rise: temperature rise ≤65K after continuous operation for 60 minutes under rated load;
10. Quality factor: device itself Q≥30 (f=45Hz);
11. Protection function: Over-current, over-voltage and test product flashover protection for the tested product (see the variable frequency power supply section for details);
12. Measurement accuracy: system effective value 1.5;

III. Main Components: