Operating Mechanisms for High-Capacity High-Voltage Oil Circuit Breakers [includes discussion]
- 1 April 1953
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems
- Vol. 72 (2) , 256-263
- https://doi.org/10.1109/aieepas.1953.4498629
Abstract
The operating mechanism of a power circuit breaker must give consistent and exacting performance under the most rigorous conditions. Therefore it is important to select the most suitable design for use with the new high-capacity high-voltage oil circuit breakers. Mechanism designs have changed over the years to match circuit-breaker and industry requirements. They now must be adapted to meet the requirements of these new circuit breakers which will require special consideration of certain characteristics: higher output, shorter instantaneous reclosing times with multiple-duty cycles, higher speed tripping, and increased reliability. This paper discusses the various methods available to obtain these objectives and illustrates the conclusions reached by describing a mechanism design which incorporates them and which already has found wide usage.Keywords
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