**Contents**show

Six-pole motors run at 1,200 rpm unloaded (7,200 Ã· 6) and between 1,050 and 1,175 rpm loaded.

## How do you calculate the RPM of a 6 pole motor?

At 60 Hz, a motor with six poles would run at 1,200 RPM under no load and at approximately 1,175 RPM loaded.

…

For a 60 Hz system with four poles, the calculations to determine RPM would be:

- (Hz x 60 x 2) / number of poles = no-load RPM.
- (60 x 60 x 2) / 4.
- 7,200 / 4 = 1,800 RPM.

## How many RPM is a 4 pole motor?

A four-pole motor will only rotate at 1,800 rpm.

## How do you calculate RPM from a pole?

Poles = number of poles of your motor. So, for example, if you have a 4 pole motor on 60 Hz then RPM=60*(2/4)*60=1800 rpm.

## What does a 6 pole motor mean?

6 poles = 1,000 RPM (~970 RPM) 8 poles = 750 RPM (~720 RPM) For a 60 Hz three phase supply: 2 poles = 3,600 RPM (nameplate would list around 3,500 RPM) 4 poles = 1,800 RPM (~1,740 RPM)

## How many RPM is a 10 pole motor?

Synchronous rotation speed at different frequencies and number of poles

Shaft rotation speed – n – (rev/min, rpm) | ||
---|---|---|

Frequency – f – (Hz) | Number of poles – p – | |

10 | 600 | 120 |

20 | 1200 | 240 |

30 | 1800 | 360 |

## What is the rpm of 1hp motor?

1 HP Single Phase Electric Motor, For Industrial, Speed: 1440 Rpm.

## How many coils does a 6 pole motor have?

To create a six pole motor use six coils per phase that creates three north poles and three south poles and so on. The number of stator slots is always a multiple of six.

## What is the rpm of 12V DC motor?

DC Motor – 60RPM – 12Volts

Although motor gives 60 RPM at 12V, motor runs smoothly from 4V to 12V and gives the wide range of RPM, and torque.

## What is rpm in motor?

CARS.COM — RPM stands for revolutions per minute, and it’s used as a measure of how fast any machine is operating at a given time. In cars, rpm measures how many times the engine’s crankshaft makes one full rotation every minute, and along with it, how many times each piston goes up and down in its cylinder.

## What rpm does a 4 pole rotor produce 60 hertz?

Similarly, for a 4-pole generator, an engine speed of 1,800 rpm produces output of 60 Hz.

## How do you increase engine RPM?

Increasing the speed can be achieved by increasing the supply frequency as the speed and frequency are directly proportional; however, there are two constraints. The first is the saturation of the magnetic circuit, but this issue can be significantly avoided by keeping the V/f ratio constant.

## How do I lower the RPM on my electric motor?

A couple of things you can do:

- Use gears to change ratio of speed, which is what you’re going to do. …
- Use a stepper motor, which are commonly used for high-torque, low RPM applications.
- Find some sort of PWM control circuit to slow it down, although you probably won’t be able to get it down to 5-10RPM.