Sag in Overhead Transmission Lines
The difference in level between points of supports and the lowest point on the conductor is called sag in overhead transmission lines. … Continue Reading
Switchgear
Corona Effect in Power System
What is Corona? The phenomenon of violet glow, hissing noise and production of ozone gas in an overhead transmission line is … Continue Reading
Function of Protective Relays in Power System
We usually think of an electric power system in terms of its more impressive parts – the big generating stations, transformers, … Continue Reading
IEC 61850 – Substation Automation – Fundamentals
What is IEC 61850? IEC 61850 is a standard for the design of electrical substation automation. It is the base … Continue Reading
Introduction to Gas Turbine Power Plant
The gas turbine power plant obtains its power by utilizing the energy of burnt gases and air, which is at … Continue Reading
Air Break Switch – Types and Uses
An “air break switch’ is a switchgear device that uses air as the dielectric. Air Break Switches (ABS) are widely … Continue Reading
Basic Types of Switchgear Components
Before learning about different switchgear components, let us understand what is switchgear. The apparatus used for switching, controlling and protecting … Continue Reading
What are Protective Relays? | Types and Working
What is a Protective Relay? The protective relay was invented more than 160 years ago. During the last 60 years, … 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