Lightning Impulse Voltage Testing Equipment

The HMCJ-600kV/60kJ Lightning Impulse Voltage Generator is suitable for testing the lightning full-wave and lightning impulse wave performance of high-voltage switchgear, circuit breakers, load switches, power cables, and other electrical products rated at 10 to 66 kV and below, thereby evaluating the surge insulation level of the products.

Main structure adopts a similar H-shaped configuration

1. Nominal voltage: 600kV

2. Rated stage voltage: 100kV

3. Rated charging voltage: 100kV

4. Nominal energy: 60kJ

5. Total impulse capacitance: 0.333F (Single pulse capacitor: 2.0F/100kV, total 6 units)

6. Stages: 6 stages

7. Stage capacitance: 2.0F

8. Stage energy: 10kJ

9. Impulse Voltage Waveform Parameters: Generates the following when load capacitance is 300–4000 pF or below:

Standard lightning impulse voltage full wave: 1.230%s /5020%s,

3% amplitude, oscillation at peak not exceeding 5% of amplitude;

Standard lightning impulse operating voltage wave: 250μs/2500μs, 60%

10. Minimum Output Voltage: >10% Un

11. Synchronization Range: At rated voltage, 20%–100% range, positive/negative polarity synchronization range ≥20%

12. Synchronized Discharge Failure Rate: <2%

13. Body Inductance 55μH

14. Ignition range: 10%-100% Un

15. Charging voltage instability ≤±3.0%

16. Voltage accuracy ≤1.0%

17. Partial response time Ta≤100 nS

18. Voltage division ratio accuracy ≤±1.0%

19. Amplitude adjustment error difference ≤1.0%