Types of Gas Turbine Engines
For an individual generator that is rated above 1000 kW, and is to be used in the oil industry, it … Continue Reading
Power System
Why we need Power System Protection?
In this article, you will learn the importance of protection in the modern power system and why we need power … Continue Reading
Overcurrent Relays for Transmission Line Protection
The use of overcurrent relays is the simplest and cheapest type of line protection. Three types of overcurrent relays are … Continue Reading
Neutral Grounding (Earthing) and Equipment Grounding
The term Grounding or Earthing refers to the connecting of a conductor to earth. The neutral points of generator and transformer … Continue Reading
Difference between Dielectric Testing & Insulation Resistance Measurement
All electrical installations and equipment comply with insulation resistance specifications so they can operate safely. Whether it involves the connection cables, … Continue Reading
Skin Effect in Wires, Cables and Transmission Lines
In this post, we will look at what is skin effect, its causes and the factors affecting it. In short, … Continue Reading
Introduction to Gas Insulated Substations / Switchgears (GIS)
Gas-insulated substations (GIS) have been used in power systems over the last three decades because of their high reliability, easy … Continue Reading
Low Voltage Switchgear
Low voltage switchgear, according to IEC 60947, refers to switchgears with rated voltages up to 1000 V AC and 1500 … Continue Reading
What is a FUSE and How it Works?
A fuse protects an electrical circuit or device from excessive current when a metal element inside it melts to create an … Continue Reading
Insulating Materials for Power Cables
We have already discussed the construction of underground cables in the previous article. In this article, we will discuss the … Continue Reading