HVHIPOT GDCY-900KV 90KJ Impulse Surge Voltage Test System HV Hipot Test Set IVG for 110kV 220kV System Transformer

• Customization: Available
• After-sales Service: Yes
• Warranty: 1 year
• Model NO.: GDCY-900KV/90KJ
• Type: Universal Testing Machine
• Accuracy Grade: 1
• Load Way: Electronic Load
• Loading Method: Dynamic Load
• Display: Digital
• Control: Computer Control
• Weight: 500-1000Kg
• Power Source: AC380V
• Rated sstage voltage: 900kV
• Rated energy: 90kJ
• Impulse capacitance: 0.1uF
• Nominal stage voltage: ±150kV
• Number of Stage: 6
• Rated stage energy: 15KJ
• Rated stage capacitance: 1.33uF
• Synchronization error rate: ≤1%
• Transport Package: Standard Export Plywood Case
• Specification: ISO9001
• Trademark: HV Hipot
• Origin: Wuhan, China

Product Description

GDCY-900KV/90KJ  Impulse Voltage Generator High Voltage Test System 

Product Description

General information

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.
 

Product Parameters

Main Technical Parameters

Nominal voltage: ±900kV

Rated energy: 90kJ

Impulse capacitance: 0.1µF

Nominal stage voltage: ±150kV

Number of Stage: 6

Rated stage energy: 15kJ

Rated stage capacitance: 1.33µF

Synchronization error rate: ≤1%

Min. output voltage: ≥15%Un

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%.
 

Standard lightning chopping wave: wave head time: 1.2±30%µs, truncation time: 3-6µs.

With Glaninger circuit, Auxiliary regulation in the low-voltage circuit is equivalent to high-voltage wave modulation resistor to optimize the waveform.

Rated voltage: 100kV.

Capacitance: 2000pF.

Resistor value: 0.1/0.2/0.5Ω current resistors, interchangeable
 

Main Composition

A. Computer controlled measurement system
B. Charging device
C. Impulse voltage generator
D. Weak damped capacitance divider
E. Chopping device

Use Condition
 

1. Altitude: ≤1000M
2. Environmental temperature: -20ºC-40ºC.Max. temperature difference: 25ºC
3. Environmental humidity: relative humidity≤75% (After the insulation surface is dried, the generator can be used normally)
4. Anti -earthquake ability: ≤class 8.
5. Place: Indoor
6. Main power supply: 380V three-phase four-wire, two-phase ≥20kVA
7. Control voltage: 220V, single-phase ≥5kVA.
8. 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.
9. 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.

 

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