Power
What is Output Choke?
Definition
An inductor installed on the drive output to smooth current waveform and reduce voltage stress on the motor. Output chokes protect motor insulation from PWM voltage spikes, especially on long cable runs between drives and motors.
Related Terms
Sine Filter
An output filter that converts the PWM waveform from a drive into a near-sinusoi...
Output Filter
A filter circuit on the drive output that shapes the PWM waveform to reduce moto...
PWM (Pulse Width Modulation)
A technique used by drives to create variable-voltage, variable-frequency AC out...
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