Variable Frequency Resonant Test System

Voltage up to 2000kV,frequency range:20-300Hz

Usage

The variable frequency resonant test system is designed for on-site AC voltage withstand test of SF6 circuit breaker, GIS, XLPE power cable and other high capacity power equipment of 1000kV and below voltage.At the same time, it can also be used for partial discharge test of instrument transformer, coupling capacitor, zinc oxide arrester and other power equipment of 500kV and below voltage.

Technical feature

1.High Q value

2.Wide variable frequency range:20-300Hz

3.Low partial discharge(PD)level

4.No transient over-voltage after flash-over

Applications

1.GIS

2.Sf6 circuit breaker

3.Power cable

4Others

System Configuration

1.Frequency converter(sin wave or square wave for option)

2.Capacitance voltage divider

3.Frequency resonant reactor

4.Exciter transformer

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