On 04/25/2014 04:34 PM, Lee Hart wrote:
Dennis Miles wrote:
The circuit of the motor controller makes a difference. The old SCR
controllers needed the inductive CEMF kick to assure switching, Modern
IGFET power transistors do not. so they can act as battery chargers.
I've actually observed just the opposite with the controllers I've
tried this with. The old GE EV-1 SCR controller has its own internal
inductors, and worked fine with a resistor or battery as a load.
Solid state controllers with IGBTs or MOSFETs can drive a resistive
load, as long as the peak current doesn't exceed their current limit.
But they cannot drive a battery as load; the battery's resistance is
too low.
I've read/heard that the Synkromotive controller can function as a
charger. Does anyone know anything about that? Were that true, it
seems like a lotta folks would be doing it and saving $500+ for a charger.
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