Impulse Voltage Generator For Power Transformer Testing

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Impulse Voltage Generator For Power Transformer Testing

Name: Impulse Voltage Generator For Power Transformer Testing
Brand: CANGZHOU KENUO INTERNATIONAL CO., LTD.
Price: 10000 USD
Availability: InStock

Price 10000 USD ($)/ Set

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MOQ : 1 Unit

Impulse Voltage Generator For Power Transformer Testing Specification

Voltage Booster Type
Impulse capacitive voltage divider

Coil Material
Copper

Dimension (L*W*H)
3200 mm 1900 mm 3700 mm

Low Voltage
400 V - 415 V AC

Cooling Type
Air Cooled

Load Loss
2 kW

Rated Voltage
Up to 1800 kV impulse

Operating Temperature
-10C to +50C

Capacity
Up to 360 kV/500 kJ

Standard
IEC 60060, IS 2071

High Voltage
1800 kV

Product Type
Impulse Voltage Generator

Material
Mild Steel, High-grade Insulation Components

Output
Impulse voltage waveform

Frequency (MHz)
Up to 1 MHz

Efficiency
98%

Phase
Three Phase

Usage
For testing power transformers and insulation materials by simulating lightning and switching impulses.

Coil Structure
Multi-layer cylindrical

Coil Number
Multi-coil arrangement

Power Scope
Up to 2000 kVA

Weight
Approx. 3200 kg

Mounting
Skid mounted with castor wheels for mobility

Polarity
Both polarity (positive and negative) generation supported

Number of Stages
10 stages (customizable)

Humidity Range
85% RH (non-condensing)

Measuring Range
100 kV 1800 kV

Test Object Capacity
Compatible for power transformers up to 160 MVA

Safety Features
Over-voltage protection, Interlock system, Emergency stop

Impulse Waveform
Standard Lightning and Switching Impulse (1.2/50 s, 250/2500 s)

Control System
PLC-based fully automated operation

Discharge Resistor
Oil-immersed discharge resistor bank

Impulse Energy
500 kJ

Impulse Voltage Generator For Power Transformer Testing Trade Information

Minimum Order Quantity
1 Unit

Supply Ability
10 Units Per Month

Delivery Time
60 Days

About Impulse Voltage Generator For Power Transformer Testing

Impulse voltage generator system

Main Description : This system is used for lightning impulse voltage full wave, chopped wave and operating impulse voltage testing to check the insulation performance. It is suitable for power transformer, distribution transformer, PT, CT, arrester, and related electrical equipment. The system mainly consists of generator, chopper, voltage divider, control cabinet, digital wave oscilloscope, etc.

Main Features:

The loop inductance is small, and takes the band-stop filter measures, under large load capacity can produce standard shock
The voltage utilization factor is high, lightning and operating wave no less than 85% and 80%
Easy operation, good synchronizing performance, reliable operation
Constant current charging automatic control technology, high degree of automation and anti-jamming capability.

Advanced Testing for Power Transformers

Designed for rigorous assessment, this impulse voltage generator simulates real-world lightning and switching impulses to test power transformers and insulation materials. Its high voltage capability and fully automated operation streamline the testing process, ensuring reliable results for transformers up to 160 MVA.

Safety, Efficiency, and Mobility

Safety remains paramount with integrated over-voltage protection, interlock systems, and emergency stops. The air-cooled, skid-mounted generator boasts 98% efficiency and castor wheels, allowing easy movement within testing facilities. Its multi-layer coil structure and oil-immersed discharge resistors guarantee stable, repeatable performance.

FAQs of Impulse Voltage Generator For Power Transformer Testing:

Q: How does the impulse voltage generator simulate lightning and switching impulses during transformer testing?

A: The generator produces standard impulse waveforms of 1.2/50 s for lightning and 250/2500 s for switching, replicating real-world electrical stresses encountered by power transformers. This ensures comprehensive evaluation of insulation and operational reliability.

Q: What safety features are incorporated to protect operators during testing?

A: Safety is ensured through over-voltage protection, an interlock system that prevents unauthorized operation, and an emergency stop function. These measures protect both the testing personnel and the equipment throughout operation.

Q: When is impulse voltage testing required for power transformers?

A: Impulse voltage testing is typically performed during final inspection and quality assurance of power transformers to assess their insulation strength and resilience against electrical transients, especially before deployment in substations or grid integration.

Q: Where can this generator be installed and used effectively?

A: Thanks to its skid-mounted design with castor wheels, the unit offers easy mobility and can be installed in testing laboratories, manufacturing sites, or transformer service centers across India, wherever power transformer and insulation material testing is necessary.

Q: What automated features streamline the impulse testing process?

A: A fully automated PLC-based control system enables precise operation, quick setup, and real-time monitoring of waveforms and discharge cycles, allowing efficient management and error reduction in testing workflows.

Q: How does mobile mounting benefit the testing workflow?

A: The generators skid-mounted base with castor wheels allows quick relocation within the facility, optimizing space and enabling flexible arrangement for transformer connections and multiple test setups.

Q: What are the main benefits of using this impulse voltage generator for transformer manufacturers?

A: Using this system, manufacturers gain reliable, repeatable test results, compliance with IEC 60060 and IS 2071 standards, and enhanced product quality assurance, securing confidence in transformer performance across high-voltage applications.

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