GDCJ-V 200kV 10kJ Automatic Impulse Voltage Generator

GDCJ-V 

200kV 10kJ Automatic Impulse Voltage Generator

Introduction

GDCJ-V 200kV 10kJ Automatic Impulse Voltage Generator is suitable for the test of the air gap insulator string, casing, power transformers and transformer standard lightning impulse voltage full wave, standard operating wave and chopped wave impulse voltage test.

Impact Generator

Nominal impulse voltage: GDCJ-V 200kV.

Nominal capacity (energy): 10kJ.

Class capacitance: 1.0μF, 100kV dry type fully insulated package.

Level voltage: 100kV.

Stages/stage capacity: 2/ 5kJ.

Output waveform:

1) 1.2μs±30%/50μs±20% standard impulse voltage full wave, efficiency ≥90%

2) 2~6μs standard impulse chopping wave.

Synchronization range: greater than 20%.

The amplitude adjustment error voltage difference is less than 1%, and the minimum output power is not more than 10% of the nominal voltage of the equipment.

Synchronization error rate: less than 1%.

Main Components

Rectifier Charging Power Supply (integrated with voltage impulse generator body)

Rated voltage: Un = ±100kV DC (positive or negative)

Rated current: In = 30mA (under rated voltage)

Voltage control :SCR module voltage regulation, voltage regulation range 0~100% Un

Polarity conversion: changing the direction of high voltage silicon stack

Input voltage: 220 V single phase voltage

Power frequency: 50 / 60 Hz

Power consumption: 3kVA

 

Weakly Damped Capacitor Voltage Divider

Rated voltage: 200kV

Rated capacitance: 800pF

Number of capacitor : 1

Square wave response: The partial response time is less than 100 ns and the overshoot is less than 10%

voltage division ratio: According to the situation

voltage division ratio uncertainty: less than 1%

 

Truncation Device

Rated voltage: 200kV

Sphere gap: 150 mm diameter ball gap.

Trigger mode: three electrode discharge trigger.

(using high performance pulse amplifier to output 15kV, 100ns trigger pulse)

Time delay mode: 2 ~ 6us electronic delay circuit with adjustable time delay provides chopping trigger pulse.

(with IGCS2008 control system, the potentiometer adjusts the cutoff delay time)

Dispersion of cutoff: the standard deviation of cutoff time is less than 0.1 μ s.

Measuring Equipment

Digital Impact Measurement System

Waveform measurement: imported Tektronix color high voltage digital oscilloscope.

The highest sampling rate is 1.0gs/s, the bandwidth is more than 100MHz, the resolution is 8bit, 2 channels.

Waveform analysis: industrial control computer (including display screen)

Special software package for impact measurement:

Calculation and display of shock wave parameters,

Waveform comparison function,

Amplification, reduction and translation of waveform,

Storage and calling of waveform,

Waveform mapping and report writing,

Accessories: 2 high performance 100 times special attenuators.

Dec wave modulating resistor:

There are three groups of wave head resistance, three groups of wave tail resistance for lightning impulse, and one group of charging resistance and protection resistance.

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Contact Us

Contact Person: Christine Gou

Whatsapp/Wechat: +86 15123029885

Mobile: +86 15123029885

E-mail: gold05@hy-industry.com