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2013•Unpublished venueRequires access

Vacuum interrupter for a generator circuit breaker

R. Parashar

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Abstract

Improvements in vacuum interrupters (VI) have led to their increased use in generator circuit breaker (GCB). However, for power applications ≥ 100 MVA, increasing the thermal and short-circuit current rating of a VI is important. This paper discusses the VI design issues on improving the efficiency of its components. A new layout for current carrying conductors and the arc control structure is presented.

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What this paper is about

Improvements in vacuum interrupters (VI) have led to their increased use in generator circuit breaker (GCB). However, for power applications ≥ 100 MVA, increasing the thermal and short-circuit current rating of a VI is important. This paper discusses the VI design issues on improving the efficiency of its components. A new layout for current carrying conductors and the arc control structure is presented.

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Available abstract

Improvements in vacuum interrupters (VI) have led to their increased use in generator circuit breaker (GCB). However, for power applications ≥ 100 MVA, increasing the thermal and short-circuit current rating of a VI is important. This paper discusses the VI design issues on improving the efficiency of its components. A new layout for current carrying conductors and the arc control structure is presented.

Key concepts: Circuit breaker, Interrupter, Arc-fault circuit interrupter, Distribution board, Electrical engineering, Generator (circuit theory), Sulfur hexafluoride circuit breaker, Electrical conductor

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