Each year in France, for example, 200 people die of electrocution and 500 suffer serious injuries, often permanent burns, respiratory paralysis, cardiac arrest, etc. The various level electric current have …
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Transformer rating is expressed in kVA, not in kW. Rating of a transformer or any other electrical machine reflects its load carrying capability without overheating. Temperature rise (a major threat to insulation) arises due …
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What is MCB? MCB or Miniature Circuit Breaker is an electromechanical device which protects an electric circuit from an overcurrent. The overcurrent in an electrical circuit may result from short circuit, …
Continue ReadingMCB (Miniature Circuit Breakers) – Types, Working and Trip Curves
Before going to the operation and characteristics of split-phase induction motor we should first understand why single phase induction motor is not self-starting. To make a single-phase induction motor self-starting, …
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The substation earthing system comprises of a grid (earth mat) formed by a horizontal buried conductors. Read about design of substation earthing system here. The grounding system in substation is very …
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A fluorescent lamp or a fluorescent tube is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. An electric current in the gas excites mercury vapor which …
A three-phase system is universally employed for a generation, transmission, and distribution of electric power. There are several reasons for why three-phase systems are more commonly used over higher phase …
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Nervous about an upcoming Electrical Engineer interview? Check out this well-curated list of frequently asked Electrical interview questions and answers. 1. What is a 2 phase motor? A two-phase motor …
Continue Reading29 Important Electrical Interview Questions you must Go through