Protective Relays Interview Questions and Answers: 1. What is a protective relay ? Ans. Protective relay is an electrical device designed to initiate isolation of a part of an electrical…
Important Questions of Protective Relays: 1. What is protective relay ? Explain its function in an electrical system. 2. Discuss the fundamental requirements of protective relaying. 3. Describe briefly some…
Introduction to Protective Relays Articles: Basic Ideas of Protection Relay : Basic Ideas of Protection Relay should ensure the availability of electrical energy without interruption to every load connected to…
Protective Relays Articles: Basic Relays : Most of the Basic Relays used in the power system operate by virtue of the current and/or voltage supplied by current and voltage transformers…
Influence of Static Protective Relays: Influence of Static Protective Relays on the associated equipment like current transformers, voltage transformers, etc,. Let us discuss one by one. Current Transformers: Burdens on…
Types of Protective Relays: Basically, Types of Protective Relays are analogue-binary signal converters with measuring functions. The variables such as current, voltage, phase angle or frequency and derived values obtained…
Basic Static Relays in Protective System Articles: Basic Elements of Static Relay : The basic elements of a static relay are namely, Input Element: Mixing circuits are needed to sum…
Difference between Static Relays and Electromagnetic Relays: The conventional electromagnetic relays are robust and quite reliable, but are required to operate under different forces under fault conditions. This leads to…