## DIAC Operation

The diac is a two-terminal three-layer bi-directional trigger device. It is a thyristor device but does…

## Three Phase Induction Motor Working Principle

For its operation, a three-phase induction motor is dependent on a rotating magnetic field being established…

## AC Resistive Circuit | Analysis | Examples

This guide covers AC Resistive Circuit analysis along with several solved examples to compute total resistance,…

## DC Motor | Types | Working | Characteristics

DC Motors and generators have the same basic construction and the typical machine can be used…

## Circuit Breaker Terms and Definitions

Here, we have covered over 100 circuit breaker terms and definitions. Alternating current (AC): Current that reverses…

## Electric Machine Losses and Efficiency | Examples

Electric Machine Losses Mechanical Losses Mechanical losses result when any electric machine operates. It is simply…

## Single Phase & Three Phase Transformer Construction

Single-Phase Transformer Cores A transformer consists of a common magnetic circuit linking the primary and secondary…

## Three-Phase Induction Motor

Like all motors, a three-phase induction motor contains a stator (the stationary part) and a rotor…

## Secondary Batteries | Types | Working

The main difference between primary batteries and secondary batteries is the ease with which secondary batteries…

## Three-Phase Power Measurement Methods

Different methods are utilized in order to measure three-phase power in a three-phase circuit. In this…

A three-phase system has three generating windings, each out of phase with the other two by…

## Power Triangle and Power Factor in AC Circuits

An inductor is a coil of wire having resistance and, if an iron core is used,…

## Resistors in AC Circuits

The current flowing through a resistor is determined by Ohm’s Law for any instant of time:…

## Sine Wave Characteristics

Here are some of the terms used to describe alternating waveforms: 1. A ‘periodic function’ is…

## Magnetization Curve Explanation

Magnetization Curve Definition A curve, or loop, plotted on B-H coordinates showing how the magnetization of a…

## Magnetic Reluctance (Rm)

Some materials require high magnetizing forces to align their atomic dipoles in the same direction, while…

## Absolute and Relative Magnetic Permeability (µ)

The permeability of a material is defined as the ease with which a flux can be…

## Magnetic Flux Density (B)

Magnetic Flux density is the measure of the number of magnetic lines of force per unit…

## Magnetic Field Intensity

The m.m.f. required to magnetize a unit length of a magnetic path is termed the magnetizing…

## Magnetomotive Force (MMF)

The force required to create a magnetic field is called the magnetomotive force, abbreviated to m.m.f.…