Lightning and switching transient overvoltages in power distribution systems feeding DC electrified railways
Gharehpetian, G.B. and Shahnia, F. (2006) Lightning and switching transient overvoltages in power distribution systems feeding DC electrified railways. In: 3rd International Conference on "Technical and Physical Problems in Power Engineering" (TPE-2006), 29 - 31 May 2006, Gazi University, Ankara, TURKEY
Control and reduction of the voltage transients in power distribution systems feeding electrified railways are a significant issue. Theref ore, it is necessary to study how and why the voltage transi ents are injected to the system and how they can be reduced. In this paper, the switching and lightning overvoltage transients of DC electrified railways are studi ed and investigated and the selection of qualified DC su rge arresters and their best point of connection to the electric system are recommended. Later on, through the simulation results done with PSCAD/EMTDC the e fficiency of the selected and installed surge arresters with the proposed characteristics is verified.
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