Why Do We Use Transmission Switching in Electricity Supplies?
A transmission switching system is an essential component of the electricity supply network. It enables electricity transmission from one line …
A transmission switching system is an essential component of the electricity supply network. It enables electricity transmission from one line …
Earthing does not guarantee that humans will be safe when they come into contact with live conductors. Although relays may …
The IEEE defines protective relays as: “relays whose function is to detect defective lines or apparatus or other power system conditions …
The Motor Control Centre is used in general to describe combinations of enclosures, busbars, circuit breakers, power contactors, power fuses, …
The use of overcurrent relays is the simplest and cheapest type of line protection. Three types of overcurrent relays are …
Gas-insulated substations (GIS) have been used in power systems over the last three decades because of their high reliability, easy …
Low voltage switchgear, according to IEC 60947, refers to switchgears with rated voltages up to 1000 V AC and 1500 …
In this post, we will explain Instantaneous, Inverse Time and Definite Time Lag Relays and their characteristics. An important characteristic of …
We have already given an introduction to substation earthing system in an article published earlier. Today we are going to …
Most of the relays used in the power system operate by virtue of the current and/or voltage supplied by current …