HV Equipment

Measuring Impedances


Measuring impedances (also known as quadripoles) are used for the decoupling of PD current pulses placed in series with a coupling capacitor in standard measuring circuits to convert into voltage pulses for analysis with a PD detector according to IEC 60270. An additional voltage signal output allows for the voltage measurement and synchronization of the applied test voltage for phase-resolved measurements.

Measuring Impedance Models:

Fixed low voltage capacitance (max. 3 A): AKV 9310
Switchable low voltage capacitance (max. 6 A): AQS 9110a
For large power capacitors (max. 300 A): AKV 9330
Bridge Impedance HBD-1

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