What is Input Choke?

Definition

An inductor installed on the input power lines of a drive to reduce harmonic currents and protect against voltage spikes. Input chokes are simpler and less expensive than full harmonic filters for basic power quality improvement.

Related Terms

Line Reactor

An inductor installed on the input or output of a drive to reduce harmonic disto...

Harmonic Distortion

Unwanted frequency components in an electrical system caused by non-linear loads...

Input Filter

A combination of inductors and capacitors on the power input of a drive that sup...

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