Power
What is Sine Filter?
Definition
An output filter that converts the PWM waveform from a drive into a near-sinusoidal voltage. Sine filters reduce motor insulation stress, bearing currents, and audible noise, especially on long cable runs.
Related Terms
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...
Output Choke
An inductor installed on the drive output to smooth current waveform and reduce ...
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