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Jesteś gościem nr:
533412
   

Szczegóły artykułu:

Wydawnictwo: Computer Applications in Electrical Engineering

Numer: 11/2013 Str: 176


Autorzy: Ryszard Frąckowiak, Piotr Piechocki


Tytuł: Factors affecting the choice of fault duration in transmission lines for computation of dynamic effects in EHV distribution substations


Streszczenie: In the paper, the method of assessment of the fault duration in transmission line regarding dynamic effects in the EHV distribution stations with flexible bus conductors is presented. Expected yearly frequency of exceeding the indicated dynamic forces has been assumed to be a criterion of choice of the short-circuit duration values. Results of simulations carried out using Monte Carlo technique have shown the influence of parameters of the distribution substation and devices installed in it (nominal voltage, short-circuit capacity, unreliability of circuit-breakers and protections, EAZ configurations) on suggested fault duration values in the engineer-type short-circuit computations.


Słowa kluczowe: substation, dynamic effect, short-circuit duration, probabilistic method


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