Quote:
Originally Posted by mora
I'd like to push AC35 or AC50 beyond Curtis voltage range with this controller. Would it be possible to parallel IGBTs for 1000 phase amps? Even that 650A amps would do, like Curtis low voltage model is capable. 650A and some 200V to a single motor. Then double motors/controllers for real fun.
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You can get 1800A 2100V IGBT's if you have the wallet. I have not seen 1800A IGBTs under 600V rated.
I would spend some of that cash on a high-throughput glycol-cooled heat sink so you don't melt anything.
AC35 or AC50 on each wheel would be fun. Finding and sourcing a gearbox that will drop the RPM available to match your desired top speed is likely where you will find difficulty. If you do find a single-speed gearbox that works for you, it may not fit into the space that is available.
I think that's why most conversions use the FWD manual transaxle, or a drive shaft to a standard rear differential ... but that's only a guess.