Analysis of the possibilities to improve the reliability of a 15 kV overhead line exposed to catastrophic icing in Poland

• Autorzy: Gołaś Andrzej , Ciesielka Wojciech , Szopa Krystian , Zydroń Paweł , Bąchorek Wojciech , Benesz Mariusz , Kot Aleksander , Moskwa Szczepan

Identyfikatory

DOI

10.17531/ein.2019.2.13

Warianty tytułu

PL

Analiza możliwości poprawy niezawodności napowietrznej linii 15 kV narażonej na katastrofalne oblodzenie w warunkach polskich

• Języki publikacji: EN PL

Abstrakty

EN

The paper is a result of a synergic cooperation of two academic teams, i.e. power engineering and mechanical teams, and a distribution system operator. A real 15 kV overhead line exposed to a catastrophic load of ice and rime was analyzed and three solutions to improve the reliability of the tested object in such conditions were examined. Authors considered: shortening the length of the line spans, heating the main line with increased current and rebuilding the overhead line to a cable line. The researches worked out a FEM model taking into account the newest normatives, simulated the model, experimentally increased the load on the real line with measured wire temperature, and performed multi-variant calculations to determine indicators of reliability, i.e. SAIDI and SAIFI. The analyses were followed by conclusions thanks to which the reliability of power lines exposed to catastrophic icing could be increased. These inferences should be considered and applied by all distribution system operators in Poland.

PL

Praca jest efektem synergicznej współpracy dwóch zespołów akademickich: elektroenergetycznego i mechanicznego oraz operatora systemu dystrybucyjnego. Analizie poddano rzeczywistą, napowietrzną linię średniego napięcia 15 kV narażoną na katastrofalne obciążenia lodem i szadzią. Zbadano możliwość zastosowania trzech rozwiązań mogących poprawić niezawodność badanego obiektu w takich warunkach. Rozważono: skrócenie długości przęseł linii, podgrzewanie magistrali zwiększonym prądem roboczym oraz przebudowę linii do linii kablowej. W celu realizacji pracy wykonano badania modelowo-symulacyjne MES z uwzględnieniem najnowszych wytycznych normatywnych, zrealizowano eksperyment dociążenia linii wraz z pomiarem temperatury przewodów oraz przeprowadzono wielowariantowe obliczenia niezawodnościowe prowadzące do wyznaczenia wskaźników SAIDI i SAIFI. W wyniku szczegółowych analiz sprecyzowano wnioski końcowe pozwalające na zwiększenie niezawodności linii elektroenergetycznych narażonych na katastrofalne oblodzenie, które powinny być rozważone i stosowane przez wszystkich operatorów systemów dystrybucyjnych w Polsce.

Słowa kluczowe

EN

power distribution network; overhead lines; reliability; icing; rime

PL

elektroenergetyczne sieci dystrybucyjne; linie napowietrzne; niezawodność; oblodzenie; szadź

• Wydawca: Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne
• Czasopismo: Eksploatacja i Niezawodność
• Rocznik: 2019
• Tom: Vol. 21, no. 2
• Strony: 282--288
• Opis fizyczny: Bibliogr. 21 poz., rys., tab.

Twórcy

autor

Gołaś Andrzej

• AGH University of Science and Technology Faculty of Mechanical Engineering and Robotics Department of Power Systems and Environmental Protection Facilities Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Ciesielka Wojciech

• AGH University of Science and Technology Faculty of Mechanical Engineering and Robotics Department of Power Systems and Environmental Protection Facilities Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Szopa Krystian

• AGH University of Science and Technology Faculty of Mechanical Engineering and Robotics Department of Power Systems and Environmental Protection Facilities Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Zydroń Paweł

• AGH University of Science and Technology Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering Department of Electrical and Power Engineering Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Bąchorek Wojciech

• AGH University of Science and Technology Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering Department of Electrical and Power Engineering Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Benesz Mariusz

• AGH University of Science and Technology Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering Department of Electrical and Power Engineering Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Kot Aleksander

• AGH University of Science and Technology Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering Department of Electrical and Power Engineering Al. Mickiewicza 30, 30-059 Kraków, Poland

autor

Moskwa Szczepan

• AGH University of Science and Technology Faculty of Electrical Engineering, Automatics, Computer Science and Biomedical Engineering Department of Electrical and Power Engineering Al. Mickiewicza 30, 30-059 Kraków, Poland

Bibliografia

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