## Grounding Electrical System | Purpose of Grounding Electrical Systems

According to the common practice that was followed years ago, many electrical installations were not grounded. Perhaps the … Read More

## Per Unit Calculation | Per Unit System Examples

The per unit (PU or P.U.) method of calculation is often used as an aid in the analysis … Read More

## Electricity Tariffs Explained | Residential and Industrial Tariff

As is the case with many English words, the word “tariff” has more than one definition. A common … Read More

## Protective Relaying Principles and Applications

The applications of the different types of protection systems for the protection of various types of equipment and … Read More

## Swing Equation in Power System

What is a Swing Equation? The motion of a synchronous machine is governed by Newton’s law of rotation, … Read More

## Transient Stability in Power System

This article examines transient stability in large interconnected power systems and their four operating states. Power system stability … Read More

## Types of Protective Relays

This article discusses protective relays, emphasizing their role in responding to signals from transducers to prevent damage to … Read More

## Power System Protection Components

The operation of a power system is affected by disturbances that could be due to natural occurrences such … Read More

## Types of Faults in Power System | Unsymmetrical Faults in Power System

The normal operation of the power system at steady state is affected, sometimes dramatically, by the occurrence of … Read More

## Symmetrical Components in Power System

The method of symmetrical components is employed to analyze power systems with unbalanced polyphase voltages and currents. It … Read More

## Electrical Power System Components

The article provides an overview of the electrical power system, detailing its three major components: generation, transmission, and … Read More

## Three-Phase AC Power Calculation

In a three-phase AC power distribution circuit, three single-phase AC sources are interconnected in either a wye or … Read More