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Many vacuum and SF6 circuit breakers are retrofits, and some of these permit the breaker to be withdrawn in closed position.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.
Publisher: The McGraw-Hill Companies, Inc.
Publication Name: Electrical World
Subject: Electronics and electrical industries
ISSN: 0013-4457
Year: 1993
Maintenance and repair, Switches, Electric circuit-breakers, Circuit breakers
Publication Name: Electrical World
Subject: Electronics and electrical industries
ISSN: 0013-4457
Year: 1993
User Contributions:
Comment about this article or add new information about this topic:
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.
Publisher: The McGraw-Hill Companies, Inc.
Publication Name: Electrical World
Subject: Electronics and electrical industries
ISSN: 0013-4457
Year: 1993
Electric services, Electrical apparatus and equipment, Software, Electric utilities, PSI Resources Inc., PIN
Publication Name: Electrical World
Subject: Electronics and electrical industries
ISSN: 0013-4457
Year: 1993
User Contributions:
Comment about this article or add new information about this topic:
Similar abstracts:
- Abstracts: Alpine revs up car audio market with DVD navigation systems
- Abstracts: Aiwa homes in on Internet trends. Rhythms in digital compression keep audio market marching. Wide range of record-&-replay media invigorates audio market
- Abstracts: Goal of on-call communications looms tantalizingly just ahead
- Abstracts: Devices that support e-commerce, communications push PDA market. part 2 Demand expands for i.Link cables, other A/V accessories
- Abstracts: New Line Wrap: Cordless Makers on Corded Market: Getting Back to Basics. Cordless Makers Making Security Market More Secure
This website is not affiliated with document authors or copyright owners. This page is provided for informational purposes only. Unintentional errors are possible.