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Electronics and electrical industries

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Transmission cable pulled through solid rock

Article Abstract:

Pennsylvania Power and Light Co overcame construction problems and health concerns by running its power cables under a street. The process was to bore a small tunnel where lengths of steel shielding pipes can be pulled into to house the power cables. Horizontal directional drilling was used to drill the tunnels.

Author: Irwin, Patricia
Publisher: The McGraw-Hill Companies, Inc.
Publication Name: Electrical World
Subject: Electronics and electrical industries
ISSN: 0013-4457
Year: 1997
Methods, Tunnel construction, Design and construction, Power transmission, Power transmission (Mechanical), Tunneling

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Joint trenches: do you know if arcing conductor lines are burning up gas lines

Article Abstract:

PECO Energy has teamed up with General Electric Power Management to develop the Digital Feeder Monitor, a system that enables the monitoring of electric cable arcing that may endanger nearby gas lines. The system works by monitoring cables for tell-tale voltage fluctuations which signal arcing incidences.

Author: Irwin, Patricia
Publisher: The McGraw-Hill Companies, Inc.
Publication Name: Electrical World
Subject: Electronics and electrical industries
ISSN: 0013-4457
Year: 1997
Safety and security measures, Electrical cables, Fault location (Electric cables)

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Dielectric degradation in the environment

Article Abstract:

Environmentally-friendly dielectric coolants with fine-resistant properties, were developed for electrical utilities. They can opt for Dow Corning's silicone-based transformer fluid, Cooper Power Systems Envirotemp FR3 dielectric coolant and Dielectric Systems' biodegradable dielectric fluids.

Author: Irwin, Patricia
Publisher: The McGraw-Hill Companies, Inc.
Publication Name: Electrical World
Subject: Electronics and electrical industries
ISSN: 0013-4457
Year: 1999
Electrical equipment and supplies industry, Electric equipment industry, Product introduction, Dow Corning Corp., Coolant, Coolants, Cooper Industries Inc. Cooper Power Systems, Dielectric Systems Inc.

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Subjects list: Power lines, Underground power lines, Underground utility lines, Electric utilities, Equipment and supplies
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