China GDCY-1000kV/100kJ Impulse Voltage Test System Manufacture and Factory

GDCY-1000kV/100kJ Impulse Voltage Test System

Brief Description:

Impulse Voltage Test System is mainly used to generate lightning impulse voltage, to research and check the ability of lightning impulse ability of electric equipment. It can generate standard lightning waveform and chopping waveform.

The system can be used for impulse voltage test and other scientific research on GIS, cable, insulators, air gap, bushing, transformers etc.

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Product Detail

Product Tags

Use Condition

• Altitude: ≤1000M

• Environmental temperature: -20℃-40℃.Max. temperature difference: 25℃

•Environmental humidity: relative humidity≤75% (After the insulation surface is dried, the generator can be used normally)

•Anti -earthquake ability: ≤class 8.

• Place: Indoor

• Main power supply: 380V three-phase four-wire, two-phase ≥20kVA

• Control voltage: 220V, single-phase ≥5kVA.

• The waveform of the power supply voltage is a sine wave, the waveform distortion rate is less than 3%, the frequency is 50Hz, and the power supply side should not suffer from overvoltage from the outside.

• There should be a reliable grounding point, the grounding power grid should have good impact characteristics, the grounding resistance should not be greater than 0.5Ω in the steady state.•

Specifications

• Rated energy: 100kJ

• Impulse capacitance: 0.1µF

• Nominal stage voltage: ±200kV

• Number of Stage: 5

• Rated stage energy: 20kJ

•Rated stage capacitance: 0.5µF

• Synchronization error rate: ≤1%

• Waveform resistors are supplied, it can be adjusted based on load.

• Impulse voltage waveform and efficiency

• Standard lighting wave: wave head time: 1.2±30µs, wave tail time: 50±20%µs

When the positive and negative polarity lightning shock wave is no-load, the voltage utilization coefficient is ≥90%.