Load totalizing blocked throwover control
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United States of America Patent
Stats
-
Apr 16, 1991
Grant Date -
N/A
app pub date -
Feb 23, 1989
filing date -
Feb 23, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric utility sub-station having two transformers which transmit electric energy to customers in different service areas. A throwover is provided which is operative, when a failure occurs in one transformer, to switch the load normally carried by the failed transformer over to the other transformer which then carries the load of both transformers. Operation of the throwover is blocked when the total demand load on both transformers exceeds the capacity of either transformer.
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