Results 171 to 180 of about 3,169 (198)
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2003
Ampacity is the term that was conceived by William Del Mar in the early 1950s when he became weary of saying ‘‘current wrying capacity” too many times. AEE/IPCEA published the term “ampacity” in 1962 in the “Black Books” of Power Cable Ampacities [13-11.
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Ampacity is the term that was conceived by William Del Mar in the early 1950s when he became weary of saying ‘‘current wrying capacity” too many times. AEE/IPCEA published the term “ampacity” in 1962 in the “Black Books” of Power Cable Ampacities [13-11.
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Cable Ampacity in Tray With Raised Covers
IEEE Power Engineering Review, 1986Power cable tray systems in generating stations are installed with tray covers that may be raised over the tray side rail. Raising the tray cover allows installation of the cover without cutting and fitting the cover around conduits that terminate at the tray.
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Ampacity derating for underground cables
Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988., 2003A simple manual method of utilizing adjustment factors to derate cable ampacities for underground installations is presented. The ampacity adjustment factors reported are obtained based on the Neher McGrath method. Various items that affect ampacities of cables are discussed in practical terms and examples are included to illustrate the method and its ...
F. Shokooh, H.M. Knutson
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Ampacity Characteristics of Zinc Ribbon
CORROSION 2005, 2005Abstract Zinc ribbon anode has been used for many years as a means of mitigating induced AC current on pipelines. Zinc ribbon anode has been very effective in this regard. The amount of amperage zinc ribbon will handle in a grounding application has been determined in the past by empirical calculations based on physical and metallurgical
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Ampacity of aerial bundled cables
Proceedings of Canadian Conference on Electrical and Computer Engineering CCECE-94, 1994Problems associated with the proximity of buildings and trees and the clashing of bare conductors have stimulated the world-wide trend towards the use of insulated conductors (cables) for the overhead distribution of electric power. An IEC Guide, Publication 287-2, proposes a method for determining the current-carrying capacity of a single core or ...
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Major factors affecting cable ampacity
2006 IEEE Power Engineering Society General Meeting, 2006This paper presents a parametric study of the major factors affecting cable ampacity calculations. The current carrying capacity (or ampacity) of a cable depends on many of the installation properties and conditions. In this paper the effects on ampacity of conductor size, ambient temperature, bonding arrangement, duct size, soil thermal resistivity ...
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Point-and-click cable ampacity studies
IEEE Computer Applications in Power, 1998For determining the maximum current power cables can sustain from a thermal point of view without deterioration of any of their electrical and/or mechanical properties is an important design aspect of electrical installations. The accuracy of these ampacity studies provides significant insight towards intelligently upgrading existing power cable ...
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