Power System Protection

Power System Protection

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The book is a thoroughly revised and updated second edition of a successful text. It incorporates the latest developments in semiconductor technology and its applications to power system protection. A new chapter on Microprocessor Applications to Protection has been added. New developments in commercial relay manufacture are also included. With its wide and up-to-date coverage, the book would be indispensable to engineers in the relay industry, field engineers, and research and development personnel. It would also be useful as a reference text for students of electrical engineering. The book discusses: The problem of relay power supply circuits and their various aspects. Applications of digital and analog computers to power system protection microprocessor applications including the peripheral equipment for relay applications. Non-conventional comparators like instantaneous comparators and phase-sequence detectors. Aspects of reliability tests and maintenance, including methods prescribed by the International Electro-technical Commission. The latest developments in commercial relay manufacture.make it more positive in a faster time. ... Here the feed-back connection helps to switch off transistor T! and switch on T2 in a much faster time than without the feed-back. In solid state relays, thyristors or silicon controlled rectifiers (SCR) are being used by some manufacturers in the trip circuit of the circuit breaker similar to aanbsp;...

Title:Power System Protection
Author:T. S. Madhava Rao
Publisher:Tata McGraw-Hill Education - 1989


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