# How can we increase the speed of a small DC motor?

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## What factors increased the speed of DC motor?

The speed of rotation of the coil in a D.C. motor can be increased by: (i) Increasing the strength of the current, (ii) Having more turns in the coil, (iii) Increasing the area of the coil, (iv) By increasing the strength of the magnetic field.

## How do you increase the speed of an electric motor?

The speed of the rotation of the electric motor can be increased by changing the resistance of the circuit, by decreasing the resistance of the electric motor, there is the increase of the current then the current strength will increase. So, the speed of the rotation of the electric motor will increase.

## How can I increase the speed of a 10 class dc motor?

The flux can be changed by changing the current with a shunt field rheostat. Resistance of the armature circuit – By decreasing the resistance, there is increase in the armature current which causes a larger torque to be developed. This increased torque causes the dc motor to increase in speed.

## What is speed of dc motor?

DC controls adjust speed by varying the voltage sent to the motor (this differs from AC motor controls which adjust the line frequency to the motor). Typical no load or synchronous speeds for an AC fractional horsepower motor are 1800 or 3600 rpm, and 1000-5000 rpm for DC fractional hp motors.

## How can I increase the speed of my 12V DC fan?

The correct answer is use a bigger fan of same 12V rating which draws more current. However, if fan can not be changed but a slightly higher cooling is desired then you can try feeding 13 V power supply to a 12 V fan. Mostly it would run at a slightly higher speed.

## What are three ways to increase the speed of a motor?

To speed up an induction motor, you could 1) reduce the load on it (may increase speed 2 or 3%. 2) increase the frequency of the supply power 3) re-wind the stator to have fewer pole pairs.

## Can we increase the RPM of motor?

Yes, but with a small amount above the maximum speed under normal rated conditions. Increasing the speed can be achieved by increasing the supply frequency as the speed and frequency are directly proportional; however, there are two constraints.

## What makes a motor spin faster?

ANSWER: In order to make the motor spin faster or slower you must increase or decrease the strength of the magnetic field. This is done by either changing the amount of current running through the motor or varying the distance of the permanent magnets from the motor.

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## How can we increase the speed of motor give two ways?

To speed up an electric motor, you could 1) reduce the load on it (may increase speed 2 or 3%. 2) increase the frequency of the supply power 3) re-wind the stator to have fewer pole pairs.

## What factors will affect the rotation of an electric motor?

Other specifications found in motor nameplates include their input voltage, rated current, energy efficiency and speed in RPM. The rotating speed of an electric motor depends on two factors: its physical construction, and the frequency (Hz) of the voltage supply. 