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IEEE 738-1993

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IEEE 738-1993 IEEE Standard for Calculating the Current-Temperature of Bare Overhead Conductors

standard by IEEE, 11/08/1993

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Purpose

The purpose of this standard is to present a method of calculating the current-temperature relationship ofbare overhead conductors.Conductor surface temperatures are a function ofa) Conductor material propertiesb) Conductor diameterc) Conductor surface conditionsd) Ambient weather conditionse) Conductor electrical currentThe rst two of these properties are speci c chemical and physical properties. The third may vary with time, and that variation is dependent upon ambient atmospheric conditions other than weather. The fourth, weather, varies greatly with the hour and season. The fth, conductor electrical current, may be constant or may vary with power system loading, generation dispatch, and other factors.

Abstract

Revision Standard - Superseded.A simplified method of calculating the current-temperature relationship of bare overhead lines, given the weather conditions, is presented. Along with a mathematical method, sources of the values to be used in the calculation are indicated. This standard does not undertake to list actual temperature-ampacity relationships for a large number of conductors in a large number of conditions.

Product Details

Published: 11/08/1993 ISBN(s): 9780738103655 Number of Pages: 39File Size: 5 files , 3.3 MB Product Code(s): STDSU16501