Posouzení aktuálního stavu provozovaných ochran VN v důlní síti 6 kV v Závodě Důl Karviná, Lokalita ČSA
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Nohel, Jiří
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Vysoká škola báňská - Technická univerzita Ostrava
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Abstract
The task of this thesis is to assess the current state of MV networks operated protections for upgrading high-voltage switchgear, which took place in 2013 and 2014. In the mining plant 1 sites Karvina region changed ČSA 310 pieces of 6 kV distribution field ROK 6p per ROK 6Q, because regulation ordinance ČBÚ č.75 / 2002 Sb. (Decree of the Czech Mining Office of the safety of electrical technical equipment used for mining activities and activities conducted by mining methods).
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Import 22/07/2015
Subject(s)
Protection, IT network, overcurrent, short circuit current, short-circuit impedance, short-circuit inrush current, short-circuit breaking current symmetrical components, switch, insulation resistance network.