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High Voltage Lightning Impulse Generator for Transformer, GIS, Switchgear and Insulation Withstand Testing

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Sansion Power Electric Co., Ltd.

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High Voltage Lightning Impulse Generator for Transformer, GIS, Switchgear and Insulation Withstand Testing

Energy Range : 7.31–320 kJ

Model Number : SXCY

Rated Impulse Voltage : ±100 kV to ±4800 kV

MOQ : 1 Set

Load Capacitance : 0.325–1 μF

Brand Name : Sansion

Delivery Time : 30 Working Days

Number of Stages : 1–24

Payment Terms : T/T,L/C

Packaging Details : Plywood Case

Impulse Capacitance : 0.0278–0.1625 μF

Certification : CE/SGS/EMS/ISO 9001

Maximum Output : Up to ±4800 kV

Place of Origin : China

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Product Description

The SXCY Series Impulse Voltage and Impulse Current Generator is engineered to reproduce severe transient electrical stresses for insulation performance evaluation and high-voltage equipment testing.

By generating controlled impulse voltage or impulse current, the system helps manufacturers and testing laboratories verify the ability of electrical equipment to withstand lightning-related and other transient overvoltage conditions.

Key Product Highlights

01. High-Energy Impulse Output

Designed to deliver high-energy impulse output for demanding insulation tests and electrical equipment qualification.
02. Multi-Stage Generator Architecture

A modular multi-stage structure allows the output voltage to be increased by combining different numbers of generator stages.
03. Broad Voltage Coverage

System configurations cover approximately ±100 kV to ±4800 kV, providing solutions for a wide range of high-voltage testing applications.
04. Configurable Energy Capacity

Different capacitance and stage configurations allow the impulse energy to be matched to the characteristics of the test object.
05. Engineered for Large Test Objects

Suitable for high-voltage equipment requiring substantial impulse energy, including transformers, GIS and other major power apparatus.
06. Application-Specific Engineering

Generator parameters can be selected according to the required test voltage, energy, test object and laboratory conditions.

Technical Specifications

Parameter	Available Range
Rated Impulse Voltage	±100 kV to ±4800 kV
Impulse Capacitance	0.0278–0.1625 μF
Stage Capacitance	0.325–1 μF
Impulse Energy	Up to 320 kJ
Damping Resistor	±100 / ±150 / ±200 kV
Number of Stages	1–24
Generator Type	Multi-Stage Impulse Generator

FAQ

Q:What is an impulse voltage generator used for?

It is used to generate controlled high-voltage impulses for evaluating the insulation withstand capability of electrical equipment under transient voltage conditions.

Q:What is the difference between lightning impulse and switching impulse?

Lightning impulse testing simulates fast transient overvoltages associated with lightning, while switching impulse testing represents slower transient stresses caused by switching operations in power systems.

Q:What is the maximum voltage available?

Depending on the configuration, the SXCY Series can reach ±4800 kV.

Q:How many stages can the generator have?

The available configurations shown in the product specifications range from 1 to 24 stages.

Q:What determines the required generator size?

The required impulse voltage, test object capacitance, energy requirement, test waveform and applicable testing standard are key factors when selecting the generator configuration.

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