Why not bypass the controller and build your own custom PWM module?
Plenty of off the shelf modules can be modified such as,
24v-36v Electric bike controllers that can be paralleled and slaved to one master controller.
or
Treadmill control boards that are built with a high voltage front end.
--- In electricboats@
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> --- In electricboats@
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> > Keep in mind voltage will give you speed and amps will give you power.
> > JCR
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> Thanks. My background is electrical engineering :-)
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> What I want to know is if the mosfet (or IGBT?) and other components they use in the potted module doing the pulse width modulation at 20khz have a maximum voltage rating higher than 16.4V. With no schematic at hand and no real easy way of identifying the parts used in their circuit I am a bit stuck.
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