Switch Gear and Protection textbook are one of the famous textbook for engineering Students. In this book U. Bakshi and M. Bakshi explained every information neatly without any mistake. I think this book is enough for engineering students who are studying EEE.
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Switch Gear and Protection textbook are one of the famous textbook for engineering Students. In this book U. Bakshi and M. Bakshi explained every information neatly without any mistake. I think this book is enough for engineering students who are studying EEE. It likewise incorporates all gadgets connected with control, metering and controlling of electrical power system.
Gathering of such gadgets in a legitimate way frames a switchgear. This is exceptionally essential meaning of switchgear. We all acquainted with low voltage switches and re-wirable circuits in our home. The change is utilized to physically open and close the electrical circuit in our home and electrical breaker is utilized to shield our family electrical circuit from over present and short out deficiencies. In same way every electrical circuit including high voltage electrical power system needs exchanging and defensive gadgets.
Be that as it may, in high voltage and additional high voltage system, these exchanging and defensive plan gets to be convoluted one for high blame current intrusion in sheltered and secure way. Notwithstanding that from business perspective each electrical power system needs measuring, control and directing plan. All things considered the entire system is called switchgear and protection of power system.
The electrical switchgear have been creating in different structures. Switchgear protection assumes an imperative part in cutting edge power system, right from era through transmission to circulation end. The present interference gadget or exchanging gadget is called electrical switch in switchgear protection system. The electrical switch can be worked physically as when required and it is likewise worked amid over present and cut off some other flaws in the system by detecting the variation from the norm of system.
The electrical switch detects the flawed state of system through protection transfer and this hand-off is again impelled by defective flag regularly originates from current transformer or voltage transformer.
Protection and Switchgear
Bakshi , M. Bakshi Circuit Breakers - 1 Elementary principles of arc interruption, Recovery, Restriking voltage and recovery voltages, Restriking phenomenon, Average and max. Circuit Breakers - 2 Description and operation of following types of circuit breakers : Minimum oil circuit breakers, Air blast circuit breakers, Vaccum and SF6 circuit breakers. Electromagnetic and Static Relays Principle of operation and construction of attracted armature, Balanced beam, Induction disc and induction cup relays. Universal torque equation, Distance relays : Impedance, Reactance and mho and offset mho relays, Characteristics of distance relays and comparison.