400kv 20kj High Voltage Lightning Impulse Tester for Crest Voltage Full Wave Testing
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:-25ºC~+45ºC
Relative humidity:≤90%(at 20ºC)
Maximum daily temperature difference:≤25ºC
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, ±1.2/50ms voltage 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.
III.Photo
Company Information
HuaZheng Electric Manufacturing (Baoding) Co.,Ltd is the supplier of the State Grid in China.It means we are the supplier of the Chinese Government.And our products spread throughout the whole China.
What's more, our customers come from different countries like America, England, Bulgaria, Brazil, Chile, Malysia, Vietnam and so on.
Our main products are Insulation Oil Tester, Cable Fault Locator, Power Quality Analyzer, High Voltage Generator, High Voltage Capacitor, Testing Transformer and so on.
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