Re: Motor controllers, RFI & stuff (esoteric question).

["Jon \"Sheer\" Pullen" <sheer@brassrat.net>]

> The filter losses would be shifted into the filter components in the
> controller. Most likely, the controller's switching frequency would be
> increased to 50 KHz or so (roughly the state of the art in high power
> switchers) to reduce the size and cost of the filter components. Also,
> it is likely that some form of "soft switching" would be used to reduce
> switching losses. Overall, the system efficiency would probably rise a
> bit, but the cost would go up.

Could you explain what 'soft switching' is?

S.