Necessity is stressed of frequent examination of available network protective equipment and operating practices; various systems for this purpose are compared, including those using transformer primary switches and secondary feeder circuit breakers; description of secondary selective system with two secondary bus sections joined by normally-open bus breaker; primary selective system has mechanically interlocked automatic transfer switch. (19738)
Today's critical loads need high service reliability
Transm Distrib
Transmission and Distribution ; 21 , n 1
1969
4 pages
Article (Journal)
English
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