Rating of Electric Power Cables: Ampacity Computations for Transmission, Distribution, and Industrial Applications
McGraw Hill Professional, 1997 - 428 pages
This authoritative collaboration by IEE and McGraw-Hill, provides the standard computations and information needed to calculate electric cable ratings. For electrical engineers and other specialists working with electric power cables, this reference provides direct access to essential data including: selection of cables and cost; computations for current ratings; applications and advanced techniques; clear explanations of basic theory.
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Cable Construction and Installations
Modes of Heat Transfer and Energy Conservation
Circuit Theory Network Analogs for Thermal Modeling
15 other sections not shown
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ac resistance applied approximate armor loss assumed cable ampacity cable installations cable rating cable surface temperature cable system cable tray cables in air calculated CIGRE computed from equation conductor current constant convection heat transfer core cost current rating cyclic rating factor dielectric losses duct bank eddy current eddy current losses electrical electrical resistivity energy equal equation t4.31 equivalent Example external diameter external thermal resistance flux formulas geometric factor given by equation heat conduction heat transfer coefficient IEEE IEEE Trans inductance insulation isothermal joule losses load maximum metallic model cable natural convection Neher node obtained from equation Ontario Hydro parameters pipe pipe-type cable power cables proximity effect radius rating of cables reactance riser screen sheath and armor shown in Fig single-core cables skin effect soil solar radiation steady-state tape thermal capacitance thickness three-core cable tmm1 tray trefoil tsee underground unit length voltage