Impulse Voltage Generator

Impulse voltage generator can be used to generate impulse voltages simulating lightning impulse (1.2±30%/50±20%μs), chopped lightning impulse (chopped time between 2~6μs to test power transformers, instrument /voltage transformers and bushings), switching impulse (250±10%/2500±10% μs) and steep front waveforms (to test glass insulator, composite insulators or ceramic insulators) .

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Features & Benefits

With the possible lowest internal inductance;
With highest output efficiency, the efficiency of LI ≥90%, the efficiency of SI ≥80%;
Compact design, beautiful appearance;
Easy operation, convenience in replacing the resistors;
Excellent synchronicity and high stability and accuracy;
Automatic earthing device for personnel and equipment safety;
Automatic control and measurement system with optical fibre;
The automatic control system is very user-friendly with touch panel;
With AmericanTektronix oscilloscope to record the waveforms;
The measuring system can measure the test data, analysis and generate waveforms in the LCD screen.

Applications

The test system can carry out lightning impulse test to MV and HV electrical apparatus, such as power transformers, bushings, current and voltage transformers, switchgears, power cables, insulators, GIS, circuit breakers, switchgears, etc.

Technical Parameters

The test system includes the following main components:

HV charging unit
Impulse voltage generator
Impulse voltage divider
Automatic control system
Measurement system

Model No.	Rated Voltage	Impulse Energy	Impulse Capacitance	Stage Voltage	Stage Number
Model No.	(kV)	(kJ)	(μF)	（kV）	Stage Number
IVG100/5	100	5	1	100	1
IVG300/15	300	15	0.333	100	3
IVG300/15	300	30	0.667	100	3
IVG400/40	400	40	0.5	100	4
IVG400/20	400	20	0.25	100	4
IVG600/30	600	30	0.166	100	6
IVG800/40	800	40	0.125	100	8
IVG450/16.9	450	16.9	0.167	150	3
IVG900/50	900	50	0.125	150	6
IVG900/67.5	900	67.5	0.167	150	6
IVG1200/45	1200	45	0.0625	150	8
IVG1200/90	1200	90	0.125	150	8
IVG1600/80	1600	80	0.0625	200	8
IVG1800/90	1800	90	0.0556	200	9
IVG2200/165	2200	165	0.0682	200	11
IVG2400/240	2400	240	0.0833	200	12
IVG2800/280	2800	280	0.0174	200	14
IVG3600/180	3600	180	0.0278	200	18
IVG4800/360	4800	360	0.03125	200	24

Standards

IEC 60060,IEC 60060-2, IEC60076-3, IEC60076-4,IEC60502-1，IEC60502-2，IEC62177, IEC61109, IEC61211 and other IEC standards

Projects

300kV 30kJ IVG for MV switchgears
1200kV 120kV Impulse Voltage Generator for 110kV Power Transformer
1200kV impulse generator for HV reactors
1600kV-160kV-bushing--transformer
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Products

Impulse Voltage Generator

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