The operating principle and arc forming phenomenon were explained in the previous article. Now it is very important to extinct the arc to avoid the serious dangers. As long …
Continue ReadingMethods of Arc Extinction in Circuit Breaker
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 …
Continue ReadingSubstation Earthing System ( Grounding System ) – Earthing Mat
The power transformer and distribution transformer are an important part of an electrical power distribution network. They are classified based on some of their characteristics. A power transformer is used …
Continue ReadingPower Transformer and Distribution Transformer
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 …
Continue ReadingWhy Three Phase System Preferred Over Higher Phases?
Capacitor Voltage Transformer (CVT) or Capacitor Coupled Voltage Transformer (CCVT) is a switchgear device used to convert high transmission class voltage into easily measurable values, which are used for metering, …
Continue ReadingCapacitor Voltage Transformer (CVT or CCVT) – Construction & Working
Steam power stations convert the heat energy of coal combustion into electrical energy. A steam power station basically works on the Rankine cycle. Steam is produced in the boiler by utilizing …
Continue ReadingSteam Power Stations – Arrangement and Working
Although a far greater percentage of electric motors in service are ac motors, the dc motor is of considerable industrial importance. The principal advantage of a dc motor is that its speed …
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