i want to generate electricity with a permenant magnet dc motor 24v and 120 watts, is this possible?
Friday, February 12th, 2010 at
6:58 am
i have got a project and i have a spare dc motor from the kids electric scooter and i want to creat electricity from this is this possible and if so how thanks for your help?
Yes just find a pulley arrangement that you can mount to the shaft and to your propulsion method so that the rpm’s of the motor turned generator are close to it’s design speed. If your DC motor turned at 1800 rpm then you want it to turn as a generator fairly close to that also, otherwise voltage and current drop off dramatically at the lower rpm’s.
The good thing is is that all permanent magnet DC motors instantly become DC generators when you go from driving something to driving it
You just need some way to turn the motor shaft and a dc voltage will appear at the terminals (or wires) of the motor while it is turning.