Industrial Electric

Power consumption of an electric motor?

In my mind, this question answers itself, but any input is helpful. A 12v battery will get and keep a 12v dc motor going...at least for the life of the battery charge. Then would I need two 12v batteries for a 24v dc motor? 8 12v batteries for a 90v dc motor??

I've seen industrial electric motors that are well above 100 volts. If the above battery ratio is correct, besides cars, what are some of the uses of a motor that big? Especially if you need a dozen or more car batteries attached to it.

you are correct.

As HP goes up, you need to use higher voltages, or else the wire requirement would call for wire too thick to be usable for winding the motor.

Bigger motors need more power, so you would need a lot of batteries anyway, either in series or parallel, and the series connection is more efficient.

But remember, not all motors are designed to run on DC batteries.

And, note that a lot of motors are designed to operate on multiphase AC, which results in a very efficient motor, and multiphase AC at 480 volts is available in most factories.

.

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