Impulse Voltage Generator

High Performance Impulse Voltage Test System for Power Equipment Insulation Testing

Yangzhou Sute Technology Co., Ltd. provides advanced Impulse Voltage Generator systems designed for high voltage insulation testing of electrical equipment. The system generates standardized lightning impulse voltage, chopped impulse voltage and switching impulse voltage to simulate transient overvoltage conditions that may occur in power systems.

The impulse voltage generator is widely used for testing the insulation performance of:

• Power transformers
• GIS (Gas Insulated Switchgear)
• High voltage switchgear
• Bushings
• Insulators
• Power cables
• Other high voltage electrical equipment

By applying controlled impulse voltage waveforms, the system helps evaluate insulation strength, identify potential insulation weaknesses and ensure reliable operation of high voltage equipment.

Product Overview

An Impulse Voltage Generator (IVG) is a specialized high voltage testing system that converts stored electrical energy into short-duration high-voltage impulses.

The equipment is based on a multi-stage impulse generator structure. Through capacitor charging and controlled discharge, it produces standard impulse voltage waveforms required for insulation withstand tests.

The generated impulse voltage can simulate:

• Lightning impulse voltage
• Switching impulse voltage
• Chopped lightning impulse voltage

These tests are essential for verifying whether electrical equipment can withstand transient overvoltage conditions during actual operation.

Main Applications

1. Transformer Impulse Testing

Power transformers are exposed to lightning strikes and switching operations during their service life.

The Impulse Voltage Generator is used to perform:

• Lightning impulse withstand tests
• Winding insulation tests
• Internal insulation evaluation
• Transformer design verification

It helps manufacturers verify transformer reliability before delivery.

2. GIS and High Voltage Equipment Testing

For GIS systems and high voltage switchgear, impulse testing is an important method to verify insulation coordination.

The system can be applied for:

• GIS insulation testing
• Circuit breaker impulse tests
• Disconnect switch testing
• Bushing impulse tests

3. Laboratory and Research Applications

The impulse voltage generator is also suitable for:

• High voltage laboratories
• Power equipment research centers
• Universities
• Electrical engineering institutes

It provides a reliable platform for studying insulation characteristics and transient voltage behavior.

System Configuration

A complete impulse voltage test system usually consists of:

1. Charging System

The charging unit provides stable DC charging voltage for impulse capacitors.

Features:

• High charging efficiency
• Accurate voltage control
• Stable operation

2. Impulse Generator Unit

The main generator adopts a multi-stage Marx circuit structure.

The stored energy is released through series discharge to generate high impulse voltage output.

Advantages:

• High output voltage capability
• Compact structure
• Reliable impulse performance

3. Impulse Voltage Divider

The capacitive or resistive divider measures the generated impulse voltage waveform.

It provides:

• Accurate voltage measurement
• Waveform monitoring
• Data acquisition

4. Control and Measurement System

The intelligent control system enables:

• Automatic charging control
• Test sequence management
• Real-time waveform recording
• Safety protection monitoring

Technical Features

High Voltage Output Capability

Sute Impulse Voltage Generator systems can be configured according to different customer requirements.

Available solutions include:

• Medium voltage impulse test systems
• High voltage impulse generators
• Extra high voltage impulse test systems

Standard Impulse Waveform Generation

The system supports typical impulse waveforms:

Lightning Impulse Full Wave

Standard lightning impulse:

1.2 / 50 μs waveform

Used for:

• Transformer insulation tests
• GIS tests
• High voltage equipment tests

Chopped Lightning Impulse

Used to evaluate insulation performance under severe transient conditions.

Switching Impulse

Used mainly for:

• Extra high voltage equipment
• Long insulation structures
• Transmission system research

Reliable Control System

The integrated control platform provides:

• Automatic charging
• Trigger synchronization
• Test parameter setting
• Oscilloscope waveform acquisition
• Test report generation

Advantages of Sute Impulse Voltage Generator

Professional High Voltage Testing Experience

Sute specializes in the development and manufacturing of high voltage testing equipment, providing complete solutions for electrical insulation testing.

Customized Testing Solutions

According to customer requirements, the impulse voltage generator can be customized for:

• Rated impulse voltage level
• Energy capacity
• Test object size
• Laboratory layout
• Measurement requirements

Complete Test System Integration

Sute can provide complete solutions including:

• Impulse voltage generator
• Charging system
• Voltage divider
• Measurement system
• Control system
• Safety protection equipment

Applicable Standards

The impulse voltage test system is designed according to international high voltage testing requirements, including:

• IEC 60060 High-voltage test techniques
• IEEE transformer testing standards
• Power equipment insulation coordination requirements

Technical Specifications

Why Choose Sute Impulse Voltage Generator?

Yangzhou Sute Technology Co., Ltd. provides reliable Impulse Voltage Generator solutions for global customers requiring high voltage insulation testing systems.

With professional engineering capability and customized manufacturing experience, Sute supports:

• Power equipment manufacturers
• Electrical testing laboratories
• Utility companies
• Research institutions

to perform accurate and reliable impulse voltage testing.