It is because a circuit breaker can close circuits as

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Unformatted text preview: because a circuit breaker can close circuits, as well as break them without replacement and thus has wider range of use altogether than a fuse. Features 16.2 Essential Features of Switchgear The essential features of switchgear are : (i) Complete reliability. With the continued trend of interconnection and the increasing capacity of generating stations, the need for a reliable switchgear has become of paramount importance. This is not surprising because switchgear is added to the power system to improve the reliability. When fault occurs on any part of the power system, the switchgear must operate to isolate the faulty section from the remainder circuit. (ii) Absolutely certain discrimination. When fault occurs on any section of the power system, the switchgear must be able to discriminate between the faulty section and the healthy section. It should isolate the faulty section from the system without affecting the healthy section. This will ensure continuity of supply. (iii) Quick operation. When f...
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This note was uploaded on 11/12/2012 for the course MBA 101 taught by Professor Muhannad during the Spring '12 term at Bradford School of Business.

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