Analysis of Induced Voltages and Power Losses in High Voltage Power Cables for Selected Methods of Cables Sheaths Bonding - Publikacja - MOST Wiedzy

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Analysis of Induced Voltages and Power Losses in High Voltage Power Cables for Selected Methods of Cables Sheaths Bonding

Abstrakt

Power is increasingly supplied to city centres with 110 kV cable lines. This is a convenient way to supply power, and practically the only one possible in areas of dense urban development. A high-voltage cable contains a coaxial metallic sheath, in which in normal operation and in fault conditions (during short-circuits) significant line-to-earth voltages can be induced, which threatens electric shock and/or damage to the cable’s outer non-conductive sheath. These voltages depend on the earthing/bonding of the cable’s sheaths, and on the cable configuration. These voltages induce currents, which, in turn, cause additional power losses in the cable. The article presents multivariate analysis of the voltages induced in a selected cable line in steady-state condition. Single-point bonding of sheaths has been discussed, as well as their both-ends bonding, transposition, and transposition of cores (conductors). For each case, the losses of active power in this line have been calculated.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Opublikowano w:
Acta Energetica strony 29 - 35,
ISSN: 2300-3022
Język:
angielski
Rok wydania:
2017
Opis bibliograficzny:
Czapp S., Dobrzyński K., Klucznik J., Lubośny Z.: Analysis of Induced Voltages and Power Losses in High Voltage Power Cables for Selected Methods of Cables Sheaths Bonding// Acta Energetica. -., nr. 2/31 (2017), s.29-35
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.12736/issn.2300-3022.2017203
Weryfikacja:
Politechnika Gdańska

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