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Lightning Impulse Voltage Generator High Voltage Impulse Test System for Transformer Insulator Power Cable Withstand Voltage Test

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Lightning Impulse Voltage Generator High Voltage Impulse Test System for Transformer Insulator Power Cable Withstand Voltage Test

Model Number : SXCY

Impulse Energy : 7.31kJ ~ 320kJ

Brand Name : Sansion

Rated Voltage : ±100kV ~ ±4800kV

MOQ : 1 Set

Total Impulse Capacitance : 0.1625~0.0833 μF

Delivery Time : 30 Working Days

Payment Terms : T/T,L/C

Stage Capacitance : 0.325~0.5 μF

Packaging Details : Plywood Case

Certification : CE/SGS/EMS/ISO 9001

Stage Voltage : ±100kV / ±150kV / ±200kV

Place of Origin : China

Test Waveform : Lightning & Switching Impulse Wave

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Product Introduction

SXCF Series Impulse Voltage Generator is high voltage test equipment to test insulation performance and protective characteristics of various high voltage electrical equipment under lightning overvoltage and switching overvoltage. It is essential equipment for electrical manufacturers, power operation departments and scientific research institutions.

This series impulse generator is mainly applied to conduct lightning impulse full wave test, lightning chopped wave test and switching impulse voltage test for power equipment.

It can generate eight standard impulse waveforms: standard lightning wave, switching wave, lightning chopped wave, oscillating lightning wave, oscillating switching wave, steep wave for line insulator, steep wave for composite insulator, transformer induced switching wave. All technical parameters comply with Chinese National Standards and IEC standards. The main technical performance reaches advanced domestic and international level.

Main Features

Complete supporting assembly, wide coverage of voltage grades;
Low inductance of return circuit. Adopt band-stop filtering design, can produce standard impulse waveform even under large-capacity test load, strong load adaptability;
High voltage utilization factor. Easy waveform adjustment, simple operation, excellent synchronization performance and stable operation;
Adopt constant current charging automatic control system, high automation level and strong anti-interference capacity;
Equipped with digital waveform analysis system and online microcomputer processing system, greatly improving test accuracy and efficiency of impulse voltage test.

Application Scope

Suitable for power transformers, high voltage insulators, high voltage cables, surge arresters, switchgears, CT/PT, bushings and other HV power equipment. Widely used in high voltage laboratories, third-party testing institutes, electrical factories and power grid research centers for type test & routine factory test.

Technical Specifications

Rated Voltage(kV)	Total Impulse Capacitance(μF)	Stage Capacitance(μF)	Impulse Energy(kJ)	Stage Voltage(kV)	No. of Stages
±100~±400	0.1625~0.0833	0.325~0.5	7.31~33.74	±100	1~4
±300~±900	0.1625~0.0833	0.325~0.5	7.31~33.74	±150	2~6
±1050~±1500	0.0464~0.05	0.325~0.5	25.58~56.25	±150	7~10
±1600~±2400	0.0625~0.0833	0.5~1	80~240	±200	8~12
±2800~±3200	0.0357~0.0625	0.5~1	80~240	±200	14~16
±3600~±4800	0.0278~0.03125	0.5~1	140~320	±200	18~24

FAQ

1. What is a Lightning Impulse Voltage Generator?

A Lightning Impulse Voltage Generator is a high-voltage test system designed to simulate lightning surges and switching overvoltages. It generates standard impulse waveforms, such as 1.2/50 μs lightning impulses and 250/2500 μs switching impulses, to verify the insulation strength of transformers, cables, insulators, GIS, bushings, and other high-voltage equipment.

2. What is a lightning impulse test used for?

A lightning impulse test is used to evaluate whether electrical equipment can withstand transient overvoltages caused by lightning strikes or switching operations. It is widely used for factory acceptance tests (FAT), type tests, and routine quality inspections of power equipment.

3.How does a lightning impulse generator work?

The system operates based on the Marx Generator principle:
1. Capacitors are charged in parallel.
2. Trigger gaps discharge simultaneously.
3. Capacitors connect in series instantly.
4. High impulse voltage is generated and applied to the test object.
This method allows generation of impulse voltages ranging from hundreds of kilovolts to several megavolts.

4. What equipment can be tested with an impulse voltage generator?

Typical test objects include:
• Power transformers
• Distribution transformers
• Instrument transformers (CT/PT)
• High-voltage cables
• GIS and switchgear
• Insulators
• Bushings
• Surge arresters
• Air gaps
• Research materials

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Lightning Impulse Voltage Generator High Voltage Impulse Test System for Transformer Insulator Power Cable Withstand Voltage Test

Lightning Impulse Voltage Generator High Voltage Impulse Test System for Transformer Insulator Power Cable Withstand Voltage Test

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Lightning Impulse Voltage Generator High Voltage Impulse Test System for Transformer Insulator Power Cable Withstand Voltage Test Images