what should I do to an electric motor to convert it into a generator? the motor will always be connected to the battery but the battery should not cause the motor to spin SINCE generators should convert mechanical energy into electric energy and not the other way around.
2007-07-01 01:57:02 · 5 answers · asked by RT Welder 1 in Science & Mathematics ➔ Engineering
Add a diode in series between the motor and battery. The cathode (-) of the diode is connected to teh positive of the battery. This will prevent the battery from supplying current into the motor. Spining the motor fast enough in the proper direction will allow current to flow into the battery.
The down side to the use of a diode is that you will have a voltage drop of 0.7 volts across the diode. The diode will also have to be sized large enough to handle the current flow from the generator.
2007-07-01 08:58:26 · answer #1 · answered by MarkG 7 · 0⤊ 0⤋
Obviously, your motor is a DC type. A dc motor is also a Dynamo that will produce DC current if a mechanical rotation is applied to it. If your Intention is to charge the battery, You have to do a little modification to prevent the current from the battery flowing back to the motor. You can use a diode or use a regulator for a better circuit.
2007-07-01 02:16:55 · answer #2 · answered by asimovll 3 · 0⤊ 0⤋
Depends on the kind of motor. If it is a DC motor, it can be converted into a DC generator by providing a controllable power source to energize the field windings (unless the field is permanent magnets). It will be of limited usefulness, as pulling a lot of power out of a commutator is problematic.
2007-07-01 02:02:50 · answer #3 · answered by Anonymous · 0⤊ 0⤋
to make a "common" generator you choose an enduring magnet motor. the only everlasting magnet autos of any length i will think of of in a motor vehicle are people who circulate the abode windows & seats. Why no longer in simple terms use the alternator? Get one with in-built rectifier & regulator. because you're utilizing this to can charge a battery you're able to have the battery to furnish the sector excitation modern-day. by the way a generator won't rigidity audio equipment (a minimum of no longer with something like a musical output) you will choose an amplifier & sound source!
2016-10-03 08:18:44 · answer #4 · answered by ? 4 · 0⤊ 0⤋
You need a regulator, this contains diodes but also has other circuitry to prevent overcharging.
I recommend using an alternator for applications of this kind, they have all the right circuits in them and are cheap from the junk yard.
2007-07-02 05:47:20 · answer #5 · answered by Poor one 6 · 0⤊ 0⤋