1938•Transactions of the American Institute of Electrical EngineersRequires access
A New Multibreak Interrupter for Fast-Clearing Oil Circuit Breakers
R. M. Spurck, Herbert Strang
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Abstract
A description of a new multibreak interrupter for fast clearing of short circuits applicable to high-voltage conventional tank-type oil circuit breakers. Breakers equipped with such interrupters were subjected to interrupting tests on large 138-kv and 230-kv systems during which short circuits as high as 2,000,000 kva were interrupted in less than five cycles. The results of those interrupting tests are shown and discussed.