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Study of Short-Circuit Currents Around Dĕtmarovice Power Station

  • 투고 : 2012.09.15
  • 심사 : 2014.03.24
  • 발행 : 2014.06.25

초록

The calculation of short-circuit currents is important for power systems operation and restoration, and for determining the means to protect human lives and properties. In this paper, a part of a power system network, around the D$\breve{e}$tmarovice power station in Czech Republic, was simulated by the well known program EMTP-ATPDraw (Electromagnetic Transients Program-Alternative Transient Program), and short-circuit currents and voltages were calculated at different points in the electric network and presented as a time function by the PlotXY program. Calculations were done just for phase-to-ground, and for the three-phase short-circuit at the Kun$\check{c}$ice substation. The results were important for determining the characteristics of the equipment required to withstand or break the short-circuit current; for this reason, the calculations were repeated using earth-fault resistances only for the case of busbar KUN shown in Figs. 5 and 6.

키워드

참고문헌

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피인용 문헌

  1. Mitigation of switching overvoltages in microgrids based on SVC and supercapacitor vol.12, pp.2, 2018, https://doi.org/10.1049/iet-gtd.2017.0503
  2. A proposed supercapacitor-based mitigation of microgrid switching overvoltage 2018, https://doi.org/10.1002/etep.2484