What is VCB? VCB stands for Vacuum Circuit Breaker. In vacuum circuit breakers, the vacuum is used as the arc … Read moreVacuum Circuit Breaker (VCB) – Principle, Construction and Working

The three-phase induction motors are the most widely used electric motors in the industry. They work on the principle of … Read moreThree Phase Induction Motor: Construction and Working Principle

An underground cable essentially consists of one or more conductors covered with suitable insulation and surrounded by a protecting cover. … Read moreConstruction of Underground Cables

There are different types of connection employed for three-phase transformers. The star-star (Y-Y) connection of three-phase transformers is the most economical type … Read moreStar-Star (Y-Y) Connection of Three Phase Transformers

By parallel operation of single-phase transformers, we mean two or more transformers are connected to the same supply bus bars on … Read moreParallel Operation of Single Phase Transformers

16. A winding is having a number of slots is equal to the number of poles, then this winding is … Read moreObjective Questions on Alternators | Part 2

In a DC power plant, power is usually supplied from several generators of small ratings connected in parallel instead of … Read moreAdvantages of Operating DC Generators in Parallel

Each year in France, for example, 200 people die of electrocution and 500 suffer serious injuries, often permanent burns, respiratory … Read moreEffect of Electric Current on Human Body at 50 Hz

Armature reaction in alternator is the effect of armature flux on the field flux (i. e., rotor ampere-turns). Read this … Read moreArmature Reaction in Alternator