Evolution of Electric Power Systems
The commercial use of electricity began in the late 1870s when arc lamps were used for lighthouse illumination and street … Continue Reading
Types of Power Plants
What is the Power Plant? A power plant is an assembly of systems or subsystems to generate electricity, i.e., power … Continue Reading
What is Switchgear? | Features, Components and Classification
What is Switchgear? Definition of Switchgear: The apparatus used for switching, controlling and protecting the electrical circuits and equipment is known as switchgear. … Continue Reading
Breaker Failure Relay (Back-up Protection Relay)
Each year as line and system loading increase and more operating companies superimpose higher voltage transmission systems on existing facilities, … Continue Reading
Why Birds don’t get Electrocuted on Touching Power Lines?
You may be amazed at why the birds don’t get shocked when they sit on high voltage overhead power lines. … Continue Reading
Effects of Variable Load on Power Station
The load on a power station varies from time to time due to uncertain demands of the consumers and is … Continue Reading
How to Change the Direction of Rotation of a DC Motor?
DC motors are widely used in various applications, from robotics and industrial machinery to household appliances and automotive systems. One … Continue Reading
Types of Wiring Systems – Cleat, Casing, CTS, TRS and Conduit Wirings
A process of connecting various accessories for distribution of electrical energy from supplier’s meter board to home appliances such as … Continue Reading
Residual Current Protective Devices (RCCB, ELCB & RCBO)
What is an RCD? A Residual Current Device (RCCB, ELCB, RCBO, GFCI etc.) is a device that is designed to … Continue Reading
Insulators, Conductors and Semiconductors (with Band Diagram)
Solid state materials can be classified into three groups: Insulators have no free charge carriers available with them under normal … Continue Reading