Solid State Relays (Static Relays)
What is a Static Relay? There are two basic classifications of relays – Electromechanical Relays and Solid State Relays (Static … Continue Reading
Electrical Relays
Zones of Protection in Power Systems
Think of a protective shield around each part of a power system. These protective shields are called “Zones of Protection,” … Continue Reading
Basics of Protective Relaying in Power System
Protective relaying is necessary with almost every electrical plant, and no part of the power system is left unprotected. The … Continue Reading
Primary and Back-up Protection in Power System
Primary and Back-up Protection Primary protection (Main protection) is the essential protection provided for protecting an equivalent/machine or a part … Continue Reading
Types of Electrical Relays
We have already discussed the working of electrical relays. Now we are going through different types of electrical relays. There … 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
Functional Characteristics of Protective Relaying
The principal function of protective relaying is to cause the prompt removal from service of any element of the power … 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