Re: [CAD_CAM_EDM_DRO] vfd

Quit sending me this bullshit



At 01:38 PM 3/6/02 +0000, you wrote:

>Hugh,
>
>
>
>The VFDs do rectify input voltage to DC. The input can be single or 3
>phase. They then use a 3-phase bridge inverter to create a new 3 phase AC
>with varying voltage and frequency. The inverter uses pwm and the waveform
>is filtered to a smooth AC voltage.
>
>
>
>
>
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