Check interlock hazards on switchgear conversions
Article Abstract:
Many vacuum and SF6 circuit breakers are retrofits, and some of these permit the breaker to be withdrawn in closed position. This can cause accidents and serious injury. Follow IEEE Standard C37.59-1991, clauses 5.1.6, 5.1.7, and 5.2.3 for switchgear conversions.
Publication Name: Electrical World
Subject: Electronics and electrical industries
ISSN: 0013-4457
Year: 1993
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PSI markets trading system
Article Abstract:
The International Power Exchange computer system allows electric utilities to post offers for trading, buying or selling allowances that will be seen by other utilities. Utilities that will participate in a trial of the computer system are listed.
Publication Name: Electrical World
Subject: Electronics and electrical industries
ISSN: 0013-4457
Year: 1993
User Contributions:
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