A relay is an electrically operated switching device used in power systems to detect abnormal conditions such as faults and automatically isolate the faulty section to protect equipment and maintain system stability. In power system protection, relays continuously monitor electrical quantities like current, voltage, frequency, or impedance through instrument transformers. When these parameters exceed preset …
Power system protection is the process of detecting abnormal conditions in a power system and isolating the faulty section as quickly as possible while keeping the healthy part in operation. What is a Power System? A power system consists of generation, transmission, and distribution of electrical power. These systems operate at very high voltage levels, …
Q.1. The shopkeeper sells lemons. In this sentence, the word “lemons” is the: (a) object (b) subject (c) predicate (d) verb Ans. (a) Object Explanation: A sentence mainly consists of three parts: subject, verb, and object. The subject is the doer of the action, which is “The shopkeeper.” The verb shows the action being performed, …
GATE 2026 | Electrical Engineering | Solved Question Paper | Exam Date : 14.02.2026 Read More »
Three-Phase Alternating Current (AC) circuits is the backbone of modern electrical power systems. They are widely used in generation, transmission, and distribution of electricity because of their efficiency, reliability, and ability to deliver constant power. In a three-phase system, three alternating voltages of equal magnitude and frequency are generated, each displaced in phase by 120° …