# Frequent question: Can we convert motor to generator?

Contents

## Can a motor be used as generator?

Both brushed and brushless DC motors can be operated as generators. However, there are some important points to consider when designing the drive. maxon DC motors are very efficient, this is also true when operated as generators.

## How does a motor become a generator?

For example, the motors of trains become generators when the train is slowing down: they convert kinetic energy into electrical energy and put power back into the grid.

## Can I use DC motor as generator?

Brushed DC motors can be used as DC generators. The underlying physical principle is the law of induction. Rotating the motor shaft moves the winding segment through the sinusoidal varying magnetic flux in the air gap. Accordingly, a sinusoidal voltage is induced in each segment.

## Can a fan motor generate electricity?

The dynamo is attached to the fan’s motor in such a way that it results in the rotational motion of the dynamo’s shaft. This motion causes the dynamo to produce electrical energy.

## Are all motors generators?

All motors are generators. The emf in a generator increases its efficiency, but an emf in a motor contributes to energy waste and inefficiency in its performance. A back emf is a resistance to change in a magnetic field.

INTERESTING:  Question: Does a bumper to bumper warranty cover windshield?

## What is the best motor to use as a generator?

Brushless DC motors (BLDC) or permanent-magnet synchronous motors (PMSM) are pretty much the same thing and are the best to use as generators. They generate AC, so they require a rectifier on the output.

## Does a DC motor generate AC?

Small DC motors don’t really generate a lot of power when you spin them. An LED will operate on AC.

## What RPM do generators run at?

Typically, a United States portable generator runs at 3600 RPM, with 2 poles, for a design frequency of 60Hz. Larger portable generators run at 1800 RPM with 4 poles here.

## How much electricity can a 12v DC motor generate?

12v DC motor with maximum 1.5A capacity can generate 18W of power. 12v DC motor with maximum 3A capacity can generate 36W of power.

## Can a ceiling fan motor be used as a generator?

After some painstaking work, he was able to turn a ceiling fan into a wind turbine (of sorts). While it’s true that some generators and motors can be used interchangeably by reversing the flow of electricity (motors can be used as generators and vice-versa) this isn’t true of ceiling fans.