Power System Protection And Switchgear By Rabindranath Pdf Download
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Power System Protection And Switchgear By Rabindranath Pdf Download
How to Download Power System Protection and Switchgear by Ravindranath PDF
Power system protection and switchgear are essential topics for electrical engineering students and professionals. They deal with the principles and components of protection schemes, relay application and characteristics, apparatus protection, circuit interruption, testing and maintenance of protective gear, and recent developments in circuit breakers. There are several books available on these topics, but one of the most popular and comprehensive ones is Power System Protection and Switchgear by B. Ravindranath and M. Chander.
This book was first published in 1977 by New Age International and has been revised and updated several times since then. It covers both conventional and static relays, as well as the theory and practice of conventional and modern circuit breakers. It also includes numerous examples, problems, diagrams, tables, and references to help the readers understand the concepts better.
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Power system protection and switchgear have various applications in different sectors of the power industry, such as generation, transmission, distribution, and industrial. Some of the common applications are:
Protection of generators from faults, overloads, unbalances, loss of excitation, loss of synchronism, etc.
Protection of transformers from faults, overloads, overvoltages, overheating, etc.
Protection of transmission lines from faults, lightning surges, power swings, etc.
Protection of busbars from faults and short circuits.
Protection of motors from faults, overloads, under-voltages, phase failures, etc.
Protection of capacitor banks from faults, overvoltages, harmonic resonance, etc.
Protection of reactors from faults, overvoltages, overcurrents, etc.
Protection of batteries from faults, overcharging, deep discharging, etc.
To achieve these protection functions, various types of relays and switchgear are used. Relays are devices that sense abnormal conditions in the power system and send signals to the switchgear to isolate the faulty part. Switchgear are devices that interrupt or make the electric circuits under normal or abnormal conditions. Some of the common types of relays and switchgear are:
Oil circuit breakers: These use oil as an arc quenching medium and operate by creating an oil blast to extinguish the arc.
Air circuit breakers: These use air as an arc quenching medium and operate by creating an air blast or by opening contacts in a high-speed air stream to extinguish the arc.
Gas circuit breakers: These use gas such as sulfur hexafluoride (SF6) as an arc quenching medium and operate by creating a gas blast or by opening contacts in a high-pressure gas stream to extinguish the arc.
Vacuum circuit breakers: These use vacuum as an arc quenching medium and operate by opening