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# Electric Motors

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## DC Motor Function of Each Component Explained

DC motor runs on direct or dc current. On this page we shall understand the function of each component of the motor. In general there are two major parts of any motor i.e. stationary part and moving part. The stationary part is mainly the outer part that houses the field windings …

## DC Shunt Motor Speed Control

The speed of a dc shunt motor is directly proportional to the back emf and inversely proportional to the flux per pole. DC shunt motors are very useful and important part of any motor application. The motor speed control in dc shunt motor is very crucial because it impacts the …

## what is servo motor – working principal & application

To better understand the servo motor let us first see what is the meaning of term “servo”. The term servo is applicable for any system that uses a feedback mechanism in order to control the required situation. The feedback can be in the form of signals from sensors or limit …

## Single phase and 3 phase power comparison

As a new electrical student or a common man this questions comes in mind that why we prefer 3 phase power system. In recent years 3 phase electric wiring has become common and mostly used worldwide for power generation, power transmission, distribution and three phase engines or motors. A single-phase …

## Stepper Motor Principle Types and Applications

A stepper motor is an electromechanical device which converts electrical pulses into discrete mechanical movements. The shaft or spindle of a stepper motor rotates in discrete step increments when electrical command pulses are applied to it in the proper sequence. Stepper motor (or step motor) is in fact a brushless …

## How to Calculate Torque of DC Motor?

As you are familiar with the principle of a DC motor or DC machine that when it is loaded either as a motor or as a generator, conductors of the rotor are carrying the current. To better understand the concept, imagine the conductors which are laying in the magnetic field …

## DC Shunt Motor – Definition & Principle

What is a DC Shunt Motor? The shunt wound DC motor falls under the category of self excited DC motors, where the field windings are shunted to, or are connected in parallel to the armature winding of the motor, as its name is suggestive of. And for this reason both …

## Electric Motors | Types History and Classification

What is an Electric Motor? An electric motor is an electromagnetic device that converts electrical energy into mechanical energy by applying the law of electromagnetic induction. The first ever electric motor was invented by William Sturgeon in 1832 which was not promoted as for commercial purposes. First commercially successful electric …