I Scope of application

This generator is suitable for standard lightning impulse voltage full wave test for air gaps , reactor switches, insulator strings, bushings, power transformers and transformers of 35KV and below.

II Conditions of use

Altitude：≤1000m

Environment temperature：-25℃～+45℃

Relative humidity：≤90%（at 20℃）

Maximum daily temperature difference：≤25℃

The installation location：Indoor

No conductive dust

No fire and explosion hazard

Gases that do not contain corrosive metals and insulation

The waveform of the power supply voltage is the actual sine wave, and the waveform distortion rate is <5%.

III Technical Data

1, nominal voltage: 400kV

2, rated voltage: 100kV

3. Nominal energy: 20kJ

4, the total impact capacitance: 0.25 microfarad (single pulse capacitor 2 microfarad / 50 kV, a total of 8).

5, the total number of levels: 4

6, standard waveform parameters:

(1) Standard lightning impulse voltage full wave,±1.2/50msvoltage utilization factor >85% (more than 90% when no load 400PF);

The impulse voltage waveform parameters and their deviations are in line with the requirements of the national GB311 and GB16927 standards.

7, the lowest output voltage is greater than 10% of the nominal voltage

8. Duration of use: Above 70% of rated voltage, it can be continuously operated every 120 seconds after charging and discharging. It can be continuously operated after charging and discharging every 60 seconds under 70% of rated voltage.