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New flexible insulation for distribution power cables
Rural Electric Power Conference, 2003, 2003In this paper, a new, flexible, crosslinked polyethylene insulation designed for medium voltage power distribution applications is reviewed. The material combines the long coveted electrical performance of (water) tree retardant crosslinked polyethylene (TR-XLPE) and the flexibility of ethylene propylene rubber (EPR) formulations.
S. Ramachandran, L.H. Gross
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Modeling and simulation of power cable insulation
Proceedings of the International Conference and Workshop on Emerging Trends in Technology, 2010The use of power cables for transmission and distribution of electrical power have increased since the advent of suitable, reliable and economical polymeric insulating material; such as cross-linked polyethylene (XLPE). Power cables plays crucial role in the power systems, hence the failure of power cables leads to tremendous loss in terms of power ...
Kesharsing Patil +2 more
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Neher-McGrath Calculations for Insulated Power Cables
IEEE Transactions on Industry Applications, 1985The Neher-McGrath (NM) method for calculating temperature rises and current-carrying capacities of insulated nonshielded power cables rated 0-2000 V phase-to-phase is described. The concept of the thermal circuit is explained, NM equations for calculating thermal resistances are given and sample calculations are presented.
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Insulation thickness determination of polymeric power cables
IEEE Transactions on Dielectrics and Electrical Insulation, 1994An analytical expression has been derived for calculating insulation wall thicknesses of single-core polymeric power cables from considerations of discharges in voids. For 10 to 30 kV cables of small conductors (16 to 50 mm/sup 2/), good agreement has been obtained between the thicknesses calculated by the expression and those specified in the IEC ...
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Present practise in insulated power cables
Electrical Engineering, 1932Essential characteristics and latest developments in power cables are reviewed briefly in this article. Consideration is given to the three principal insulation materials, to different types of cable, and to impregnating compounds. In addition to summarizing present power cable practise in this country, future trends are indicated.
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Electron beam processing of power cable insulation
Radiation Physics and Chemistry (1977), 1981Abstract The advent of electron beam (EB) accelerators capable of delivering high beam powers (⩾ 100kW) at voltages in the range of 2–5 MV, implies the basic suitability of such equipments for the cross-linking of power cable insulation. As compared with the familiar process of electron beam (EB) processing of wire and cable for specialty ...
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Insulation thickness determination of polymeric power cables
IEEE Transactions on Dielectrics and Electrical Insulation, 1995A highly interesting recent paper [l] brought to the reader‘s attention the relation which exists between insulation thickness and cavity size in polymeric cables. The author of [l] reaches the conclusion that decreasing the maximum cavity size in a given cable allows an increase in the cable working voltage.
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An Accelerated Life Test For Evaluating Power Cable Insulations
IEEE Power Engineering Review, 1981For many years, the power cable industry has sought an accelerated test that would quantitatively evaluate the life of polyethylene insulation for high voltage cables. This paper describes preliminary results leading to development of such a test. This test employs full size cables with accelerating factors such as temperature, water, electrical stress,
R. Lyle, J. Kirkland
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Insulation Diagnosis of High Voltage Power Cables
2007 IEEE International Conference on Solid Dielectrics, 2007In this contribution based on field application of advanced diagnostics a systematic approach for condition assessment of HV power cables is discussed. Based on the assumption that there is not one dominant failure process in HV cable networks in addition to partial discharges dielectric diagnosis has also be included to determine the actual condition ...
Gulski, E. (author) +6 more
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Cryogenic and Compressed Gas Insulated Power Cables
2009This chapter contains sections titled: Introduction Compressed Gas Insulated Transmission Line System Cryoresistive Cables Superconductive Cables Economic Considerations This chapter contains sections titled ...
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