Current Transformer (CT) – Construction and Working Principle
A current transformer (CT) is a type of transformer that is used to measure AC current. It produces an alternating current … Continue Reading
Substation
Ideal Transformer and Practical Transformer
Ideal Transformer An ideal transformer is one that has no winding resistance no leakage flux i.e., the same flux links … Continue Reading
Properties of Good Transformer Oil
Even though the basic functions of the oil used in transformers are heat conduction and electrical insulation, there are many other properties which … Continue Reading
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
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
Substation Earthing System Design
We have already given an introduction to substation earthing system in an article published earlier. Today we are going to … Continue Reading
Transformer Oil Testing : Video Training
Transformer oil testing is just like a blood test in the human body. A blood test provides a doctor with … Continue Reading
IEC 61850 – Features and Advantages
IEC 61850 is a standard for the design of electrical substation automation. It has been defined in cooperation with manufacturers … Continue Reading
Basic Relays – Electromagnetic Attraction and Induction Relays
Most of the relays used in the power system operate by virtue of the current and/or voltage supplied by current … Continue Reading