Electrical Basics

Circuit Breaker Working Principle Animation

S Bharadwaj ReddyMay 22, 2016March 31, 2019

A circuit breaker is an automatically-operated electrical switch designed to protect an electrical circuit from damage caused by overload of electricity or short circuit. A circuit breakers function is to...

Advantages of Three Phase System Compared to Single Phase System

S Bharadwaj ReddyApril 24, 2016September 19, 2016

Three phase system is widely used in generation, transmission and distribution. Single phase system is only used to operate small electrical appliances at consumer ends where the power rating is...

Difference between Current Transformer and Potential Transformer

S Bharadwaj ReddyApril 24, 2016September 19, 2016

Current Transformers (CT) and Potential Transformers (PT) are used to measure the current and voltage in a circuit of the order of hundreds of amperes and volts respectively. A CT...

Electrical Contactor, Switch, Circuit Breaker

S Bharadwaj ReddyApril 24, 2016September 8, 2018

An Electrical Contactor is a switch. In simple words contactor is a switch which closes its contacts with the help of relay. Most of the contactors operate by electromagnet, thus...

Advantages & Disadvantages of Fuse in a Electrical Circuit

S Bharadwaj ReddyApril 24, 2016October 6, 2017

Fuse is the cheapest protection device in electrical circuit against short circuits and overloading of circuits. Fuse is a metal wire or thin metal strip which has the property of...

Advantages of Valve Regulated Lead Acid (VRLA) Batteries

S Bharadwaj ReddyApril 24, 2016September 19, 2016

Valve Regulated Lead Acid (VRLA) Batteries are popularly termed as maintenance free lead acid batteries. Each cell in VRLA battery will have a value (automating operating) to allow the gas...

Advantages of Star and Delta Systems

S Bharadwaj ReddyApril 24, 2016September 19, 2016

In a 3-phase system the alternators or generators may be star connected or delta connected. Likewise 3-phase loads may be star connected or delta connected. Some of the advantages of star and...

Circuit Breaker Making Capacity

S Bharadwaj ReddyApril 23, 2016September 19, 2016

During short circuit, circuit breaker contacts opens and automatically closes after few cycles to determine whether the fault is cleared. 90% of the faults occur in power system are transient...

Electrical Terminology

S Bharadwaj ReddyMarch 24, 2016December 22, 2018

The Basic Electrical Terminology Terms as follows: Active Power (Watt): Sometime called Real Power, True Power or Effective power. It describes the actual amount of power present in a system...

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Category : Electrical Basics

Circuit Breaker Working Principle Animation

Advantages of Three Phase System Compared to Single Phase System

Difference between Current Transformer and Potential Transformer

Electrical Contactor, Switch, Circuit Breaker

Advantages & Disadvantages of Fuse in a Electrical Circuit

Advantages of Valve Regulated Lead Acid (VRLA) Batteries

Advantages of Star and Delta Systems

Circuit Breaker Making Capacity

Top Electrical Engineering Questions & Answers

Electrical Terminology