Lightning Impulse Voltage Generator for High Voltage Testing Advanced Impulse Voltage Test System for Power Transformers, Insulators, Bushings and Electrical Equipment

The Lightning Impulse Voltage Generator is a professional high-voltage testing system designed to simulate lightning-related transient overvoltages and evaluate the insulation withstand performance of electrical equipment.

It is widely used by power equipment manufacturers, high-voltage testing laboratories, electrical utilities, research institutions, and third-party testing organizations.

The system can be configured to generate standard lightning impulse full waves, chopped waves, and switching impulse waveforms according to the selected configuration and test requirements.

A complete system may include an impulse voltage generator, charging unit, wave-shaping network, high-voltage measuring divider, digital waveform recorder, control cabinet, and safety protection components.

With customizable voltage and energy ratings, the equipment can be designed for different high-voltage testing applications, from conventional power equipment to extra-high-voltage laboratory projects.

• Configurable high-voltage output and stored energy.

• Standard lightning impulse waveform generation.

• Optional chopped-wave and switching impulse testing.

• Digital waveform measurement and recording.

• Configurable charging and control functions.

• High-voltage measuring divider integration.

• Overvoltage, overcurrent, and other specified protection functions.

• Customized configurations for different test objects.

• Technical documentation and engineering support according to the agreed scope.

Lightning Impulse Full-Wave Test: Generates the specified impulse waveform, commonly 1.2/50 μs where required by the applicable test procedure.

Chopped-Wave Test: Uses a compatible chopping device to generate the required chopped impulse waveform.

Switching Impulse Test: Available when the selected system includes the required switching impulse configuration.

Waveform Measurement: Records the applied impulse waveform for assessment of peak voltage, wavefront time, time to half-value, and other relevant parameters.

Insulation Withstand Evaluation: Supports specified insulation performance tests for compatible high-voltage electrical equipment.

• Power transformers and reactors

• High-voltage bushings

• Porcelain and composite insulators

• Instrument transformers

• High-voltage circuit breakers

• Gas-insulated switchgear (GIS)

• Selected surge arrester test applications with appropriate equipment

• High-voltage research and development laboratories

Unsure which model to purchase: Model selection should consider the required impulse voltage, stored energy, test-object characteristics, waveform requirements, and applicable standards.

Concerned about waveform accuracy: Ask for the measuring system specifications, waveform records, calibration information, and relevant acceptance criteria.

Need a complete solution: Confirm whether the quotation includes the generator, charging unit, wave-shaping components, measuring divider, digital recorder, software, and accessories.

Have limited laboratory space: Request an equipment layout review that considers electrical clearances, grounding, access, and safety requirements.

Q1: What is a lightning impulse voltage generator used for?

It generates high-voltage impulse waveforms to evaluate the insulation withstand performance of electrical equipment under specified lightning-related overvoltage conditions.

Q2: What is the standard lightning impulse waveform?

A commonly used standard lightning impulse voltage waveform is 1.2/50 μs. The applicable tolerances and test procedure depend on the relevant standard and test object.

Q3: Can the system generate chopped waves and switching impulses?

These functions can be included when the selected configuration provides the necessary circuits and control functions.

Q4: Which voltage ratings are available?

Available ratings depend on the model and engineering configuration. Please provide your required test voltage, energy, and test objects for evaluation.

Q5: Can you provide a complete test system?

Yes. The supply scope can include generation, charging, wave shaping, voltage measurement, waveform recording, control, and agreed accessories.