Results 141 to 150 of about 1,759 (186)
Technical Review of Residential Programmable Communicating Thermostat Implementation for Title 24-2008 [PDF]
, 2007 Auslander, David M. +4 more
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Electrical Engineering, 1962
The Insulated Power Cable Engineers Association published in 1943 the original edition of “Current Carrying Capacity of Impregnated-Paper, Rubber and Varnished Cambric Insulated Cables.” The excellent tables in this book were based on the best American practice at the time they were published and, as the title implies, were quite extensive in their ...
J. H. Neher +7 more
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The Insulated Power Cable Engineers Association published in 1943 the original edition of “Current Carrying Capacity of Impregnated-Paper, Rubber and Varnished Cambric Insulated Cables.” The excellent tables in this book were based on the best American practice at the time they were published and, as the title implies, were quite extensive in their ...
J. H. Neher +7 more
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Fire protection wrapped cable tray ampacity
IEEE Transactions on Energy Conversion, 1989A method is presented for calculation of ampacity of cable in fire protection wrapped cable trays. A brief description of the model is presented. The iterative technique used for solution of the model's simultaneous transcendental equations is presented with a description of the computer program.
Phil Save, Gary Engmann
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Ampacity of cables in single covered trays
IEEE Transactions on Power Delivery, 1997A mathematical thermal model is developed to predict the operating temperatures of cables in a single covered tray when there is load diversity in the power cable bundle. The model accommodates two different loading scenarios: one in which the heat is distributed evenly across the cable tray cross section; and one which concentrates the heavily loaded ...
B.L. Harshe, W.Z. Black
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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 Calculations for Deeply Installed Cables
IEEE Transactions on Power Delivery, 2010In this paper, a new method is proposed for ampacity calculations of deeply installed cables. Two factors make these types of installations different from more common situations of cables located up to five meters underground. On the one hand, the time constant of the soil layer above the cable trench is very large, resulting in a very slow conductor ...
Eric Dorison +2 more
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Including Soil Drying Time in Cable Ampacity Calculations
IEEE Transactions on Industry Applications, 2016Previous papers proposed a method to find the maximum possible dried area of soil expected due to heating by underground cables. A method was also proposed to include this dried soil area in cable ampacity calculations. This assumed that cables would be loaded 100% of the time. To dry soil to the maximum possible extent may take very long time periods,
Carson Bates, David Cain, Keith Malmedal
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IEEE Transactions on Power Delivery, 1988
Analytical equations that permit quick computation of the ampacity of power cables wrapped with refractory silica are presented. Ampacity test results are given for several wrapping methods and cable configurations. These test results show that the analytical method is reasonably accurate in determining the ampacity of wrapped cable. >
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Analytical equations that permit quick computation of the ampacity of power cables wrapped with refractory silica are presented. Ampacity test results are given for several wrapping methods and cable configurations. These test results show that the analytical method is reasonably accurate in determining the ampacity of wrapped cable. >
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Interactive tutorial for calculating cable ampacity
IEEE Computer Applications in Power, 1991The Cable Ampacity Tutorial (CABAMP), which describes the procedure for calculating the steady-state ampacity (current) rating of underground transmission cable systems, is discussed. This interactive tool allows engineers to reference the tutorial at the same time they are performing calculations.
E.C. Bascom, T.J. Rodenbaugh, H.J. Brown
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Ampacity of cables in single open-top cable trays
IEEE Transactions on Power Delivery, 1994A mathematical thermal model that can predict the operating temperatures for cables when there is load diversity in single, horizontal, open-top cable trays is presented. The model accommodates two different loading scenarios-one in which the heat load is distributed evenly across the cable tray cross-section and a second one which concentrates the ...
B.L. Harshe, W.Z. Black
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