Substation Earthing System ( Grounding System ) – Earthing Mat
The substation earthing system comprises of a grid (earth mat) formed by a horizontal buried conductors. Read about design of substation … Continue Reading
Electrical Machines
Losses in DC Machine ( DC Generator and Motor )
The losses in a DC machine (generator or motor) may be divided into three classes viz Copper losses Iron or … Continue Reading
Split Phase and Capacitor Start Induction Motors
Before reading Split Phase and Capacitor Start Induction Motors, please read the previous article, Why a Single Phase Induction Motor … Continue Reading
Power Transformer and Distribution Transformer
The power transformer and distribution transformer are an important part of an electrical power distribution network. They are classified based … Continue Reading
Single Phase Induction Motor – Working Principle and Construction
Single-phase motors are the most familiar of all-electric motors because they are extensively used in home appliances, shops, offices etc. … Continue Reading
Why Three Phase System Preferred Over Higher Phases?
A three-phase system is universally employed for a generation, transmission, and distribution of electric power. There are several reasons for … Continue Reading
Capacitor Voltage Transformer (CVT or CCVT) – Construction & Working
Capacitor Voltage Transformer (CVT) or Capacitor Coupled Voltage Transformer (CCVT) is a switchgear device used to convert high transmission class … Continue Reading
Steam Power Stations – Arrangement and Working
Steam power stations convert the heat energy of coal combustion into electrical energy. A steam power station basically works on the … Continue Reading
AC Single Phase Motors
Single phase motors are the most familiar of all electric motors because they are extensively used in home appliances, shops, … Continue Reading
Production of Rotating Magnetic Field
The production of Rotating magnetic field in 3 phase supply is very interesting. When a 3-phase winding is energized from … Continue Reading