32. An electric motor is taken out from a toy car. How do you convert thismotor into a small electric generator? Compare the function of electricgenerator with the phenomenon of electromagnetic induction.
Answers
Answer:
Follow As explained.
Explanation:
Here basically we need to convert a DC motor to a generator.
A certain DC motor with permanent magnets can easily be turned into a generator. Irrespective of the fact whether it is brushed or not. Brushless motors tend to make great generators but one also will needs to add a rectifier for getting the DC output.
If a motor does have a separate field of winding instead of being a permanent magnet,one will need to give energy to that winding using an external DC source.
For instance, a car alternator has DC slip-rings for supplying a small field current to the rotor, and usually a three phase stator winding. To get anything out of it you must have to provide energy to the field winding following to that you get 3-phase AC from the stator that must be rectified to obtain DC. You can control the power of output and therefore to load the alternative places on the shaft by modulating the field current.
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