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Applications in the pulp and paper industry make special demands on the ability of cables to withstand high temperatures, attack by caustic chemicals, and exposure to fire. Measurement of these capabilities is already encompassed in recognized tests and testing procedures. A great many tests are now prescribed, covering the mechanical and physical??as well as electrical??performance of cables. Generally...
The advantages of direct-current (DC) over alternating-current (AC) for the transmission of electric power have long been recognized. Considering the transmission line per se, and neglecting terminal equipment, the advantages of DC are overwhelming, and include the following: 1. Improved utilization of the transmission corridor or cable. 2. Complete control over power flow. 3. Absence of phase-angle...
It can be claimed that gases at elevated pressure are the logical and, perhaps, inevitable, replacement for atmospheric air as the primary insulating medium for transmission of high-voltage power. Such compressed gas-insulated lines would reduce or eliminate most of the problems of open overhead lines, i. e., the inadequate insulating strength of air at 1 atm, corrosive contamination of insulators,...
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