Impulse Current Generator

High Current Impulse Generator for Lightning Current and Surge Protection Testing

SUTE Impulse Current Generator is a high-performance testing system designed to generate high-energy impulse currents for evaluating the ability of electrical equipment to withstand lightning current and transient surge impacts.

The system is widely used in high voltage laboratories, power equipment manufacturers, research institutes, and testing organizations for impulse current tests on surge arresters, surge protective devices (SPD), electrical components, and other power system equipment.

With advanced charging, discharge, triggering, and measurement technologies, SUTE provides reliable impulse current test solutions that meet international testing requirements and can be customized according to different laboratory applications.


Product Overview

Lightning strikes and transient overvoltage events can generate extremely high impulse currents that may damage electrical equipment and power systems. To verify equipment reliability and safety, manufacturers and laboratories require specialized test systems capable of reproducing these high-current conditions.

SUTE Impulse Current Generator uses a capacitor energy storage and controlled discharge technology to generate precisely controlled impulse current waveforms.

The system can simulate various lightning current and surge current conditions, helping engineers evaluate:

  • Current withstand capability
  • Thermal stress resistance
  • Electrodynamic force resistance
  • Surge protection performance
  • Long-term operational reliability

The generator can be integrated with measurement systems, control systems, and complete impulse current test platforms to provide a comprehensive testing solution.


Main Applications

1. Surge Arrester Testing

Impulse Current Generator is mainly used for testing metal oxide surge arresters (MOV arresters), verifying their ability to withstand lightning impulse currents and high-energy discharge conditions.

Typical tests include:

  • Lightning impulse current test
  • Operating duty test
  • Thermal stability test
  • Energy withstand capability test

2. Surge Protective Device (SPD) Testing

For SPD manufacturers, SUTE impulse current generators provide accurate simulation of lightning current waveforms required for product development and certification testing.

Applications include:

  • AC power SPD
  • DC SPD
  • Lightning protection devices
  • Building protection systems

3. Power Equipment Research and Development

The system is also suitable for research and testing of:

  • Transformers
  • Cables
  • Switchgear components
  • Insulation materials
  • Electrical components

By applying controlled impulse currents, engineers can analyze equipment performance under extreme transient conditions.


Key Features

High Energy Impulse Current Output

SUTE Impulse Current Generator is designed for high-current applications with excellent discharge capability and waveform stability.

The output parameters can be customized according to customer requirements, including:

  • Peak current
  • Waveform duration
  • Energy level
  • Repetition frequency

Multiple Impulse Current Waveforms

The system can generate commonly required impulse current waveforms, including:

  • 8/20 μs lightning impulse current
  • 10/350 μs lightning current
  • 4/10 μs high-current impulse
  • Long-duration impulse current

Different waveforms allow testing of various electrical equipment according to different international standards.


Accurate Control and Measurement

The integrated control system provides:

  • Automatic charging control
  • Precise triggering control
  • Test parameter setting
  • Safety monitoring
  • Test data recording

Combined with professional measurement equipment, the system enables accurate analysis of impulse current waveform characteristics.


Customized High Voltage Test Solutions

SUTE provides customized impulse current testing solutions based on:

  • Customer testing requirements
  • Laboratory space conditions
  • Required current level
  • Applicable standards

The system can be supplied as:

  • Stand-alone impulse current generator
  • Complete impulse current test system
  • Integrated high voltage laboratory solution

Technical Advantages

Reliable High-Energy Discharge Design

The optimized circuit structure reduces stray inductance and improves waveform performance, ensuring stable impulse current generation during high-energy discharge.


Flexible System Configuration
  1. Modular design allows customers to customize different configurations according to their testing requirements.

Options include:

  • Charging unit
  • Control cabinet
  • Current measurement system
  • Data acquisition system
  • Safety interlock system

International Standard Compliance

SUTE impulse current testing systems are designed according to relevant international standards, including:

  • IEC 60060 High-voltage test techniques
  • IEC 60099-4 Metal-oxide surge arresters
  • IEC 61643 Surge protective devices

Typical Testing Objects

Equipment Testing Purpose
Surge Arresters Lightning current withstand test
SPD Devices Surge protection performance verification
Electrical Components Transient current resistance
Insulation Materials High-energy impulse evaluation
Power Equipment Reliability testing

Why Choose SUTE Impulse Current Generator?

Professional High Voltage Test Equipment Manufacturer

SUTE specializes in the development and manufacturing of high voltage testing equipment, providing complete solutions for power equipment testing laboratories.


Customized Engineering Capability

Different industries require different impulse current parameters. SUTE engineers can design systems according to specific customer requirements.


Complete Testing Solution
  1. Covering the full workflow of impulse current generation through measurement and control, SUTE provides integrated solutions to help customers establish reliable testing capabilities.

FAQ

What is an Impulse Current Generator used for?

An Impulse Current Generator is used to generate high-current transient pulses that simulate lightning strikes or surge events for testing electrical equipment performance.


Which products can be tested with an Impulse Current Generator?

It is commonly used for testing surge arresters, SPDs, lightning protection devices, electrical components, and other power system equipment.


Can SUTE customize the impulse current system?

Yes. SUTE can customize impulse current generators according to required current amplitude, waveform, energy level, and laboratory requirements.


What standards are supported?

SUTE systems can be designed according to IEC-related high voltage testing standards, including IEC 60060, IEC 60099-4, and IEC 61643.