## How to Calculate Current Carrying Capacity of Carbon Brushes?

This article describes the procedure of the current carrying capacity calculation of a carbon brush. The carbon brushes remain stationary and collect current from the … Read more

## Types of DC Motors – Series, Shunt and Compound Wound

In this article, we will discuss different types of DC motors, their definitions, applications, and characteristics equations. An electromechanical energy conversion device that converts electrical … Read more

## 4 Point Starter- Construction, Working & Its Application

4 Point Starter is almost identical in performance features to the 3 Point Starter. The 4 Point Starter limits the starting current in the absence … Read more

## Types of Braking in a DC Motor

In this article, we shall discuss the types of electrical braking in a  DC motor. There are various types of electrical braking used for DC … Read more

## What is Plugging or Reverse Current Braking of DC Motor?

In Plugging or Reverse Current Braking, supply polarity of armature voltage of  DC motor is reversed to rapid stop the motor. The armature voltage(V) and back EMF (Eb) … Read more

## Derivation of EMF Equation of a DC Generator

EMF Equation of DC Generator and DC Motor When we apply DC  voltage to an armature of a DC motor, a back emf or counter … Read more

## Speed Regulation of DC Motor | Definition and Formula

The speed of the DC motor decrease with an increase of load on the motor. This is not desirable. Therefore, there must be a lesser … Read more

## What is Shaft Torque of DC Motor?- Definition, Formula and Solved Problem

The actual torque available at the motor shaft for driving the mechanical equipment is known as shaft torque(Tsh). In fact, the same electromagnetic or gross … Read more

## How to Change the Direction of Rotation of DC Series Motor?

In this post we will discuss how to change the direction of rotation of DC Series Motor. The rotational force of the DC motor is … Read more

## Direction of Rotation of DC Motor

Direction of rotation of DC Motor can be reversed by reversing the direction of torque of the motor. When motor exerts torque in clockwise direction … Read more