What is 600 kVA Lightning Impulse Generator?

Apr 23, 2026 Leave a message

What is 600 kVA Lightning Impulse Generator?

 

 A 600 kVA Lightning Impulse typically refers to a high-capacity impulse voltage testing system/equipment used to simulate lightning overvoltage and verify the insulation strength of electrical equipment.

600KVA 01

1. 600 kVA (Capacity)
Indicates the system's rated power capacity of 600 kVA.
It is a large-scale testing system capable of supporting high voltage and high energy output.
Commonly found in high-voltage testing laboratories or testing centers of large manufacturing plants.

2. Lightning Impulse
Refers to simulating the transient high voltage generated by a lightning strike. The standard waveform is typically 1.2/50. μs (rise time/half-peak time) is used to verify the insulation performance of equipment under lightning overvoltage.

 

II. Main Components

A typical lightning impulse test system includes:

Impulse voltage generator (Marx generator)
Energy storage capacitor bank
Discharge sphere/triggering system
Voltage divider (for measuring impulse voltage)
Control and measurement system

 

III. Typical Applications
Power transformer impulse withstand voltage test
High-voltage cable and insulator testing
Switching equipment (GIS/circuit breaker)
Surge arrester performance verification
Type testing of power equipment

IV. Core Features
High energy output: suitable for testing high-voltage equipment
Accurate standard waveform: meets IEC/IEEE standards
Strong transient impulse capability: realistically simulates lightning effects
System-level configuration: expandable according to voltage level