Electric car voltage

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lethaldriver@gmail.com - 09 Aug 2007 05:35 GMT

Can anyone tell me the different voltages that different electric
vehicles, including the Prius Hybrid, need to run their electric
motors?

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Don Stauffer in Minnesota - 10 Aug 2007 15:08 GMT

On Aug 8, 11:35 pm, lethaldri...@gmail.com wrote:

> Can anyone tell me the different voltages that different electric
> vehicles, including the Prius Hybrid, need to run their electric
> motors?

Don't know about cars actually in production, but for people
converting cars to electric, 48 volts is a popular value.

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Hudson - 10 Aug 2007 16:27 GMT

The second-generation Toyota Prius uses a 273.6-volt battery pack (plus
the 12-volt accessory battery). The GM EV1 had a 312-volt battery pack
(plus the 12-volt accessory battery).

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Hudson

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BobG - 10 Aug 2007 21:08 GMT

The EV1 motor and controller was designed by AC Propulsion... same
outfit that does the Tesla motor and controller.. An AC motor running
on 3 phase AC at 208V line to line needs about 360VDC of batteries to
synthesize that peak voltage of the sine wave generated in the
controller.

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CraigFL - 11 Aug 2007 12:57 GMT

According to the NEC(National Electric Code), generally accepted
practice, voltages below 50VDC aren't generally harmful and don't
require extraordinary measures to protect against them. On the flip
side is the size of the wiring because of the larger amps flow at lower
voltages. It seems like the required power for a lot of the electric and
electric/hybrids has forced the manufacturers to move to higher voltages
because the battery storage is away from the control system and motors.

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