Multi-level UnderVoltage Load Shedding scheme considering rate of change of voltage for voltage stability

Yunhwan Lee, Taegyun Kim, Jihun Kim, Byongjun Lee, Bu Il Kang, Jongman Cho

Research output: Contribution to journalArticlepeer-review


High technique growth of modem times and high industrial facility in consequence of buildings demand for electric power of an extensive scale with stability supply and maintenance of high quality. But, power system always have risk of network contingency. When power system break out disturbance, it circumstantially happen like uncontrolled loss of load developing from of cascading. Severely which would be raised wide area blackout, plan to prevent, which make stability through a little of load shedding and multi-level UnderVoltageLoadShdding should work. This paper presents target, sensitivity of bus voltage have choose appropriating load shedding location and load shedding decision making logic with considering rate of change of voltage have studied multi-level under voltage load shedding scheme. Calculation of rate of change of voltage applied method of least square. As a result, we are studied an dynamic analysis of 2008 summer peak data. We have been known that network analysis is a little development and developing UnderVoltageLoadShedding scheme.

Original languageEnglish
Pages (from-to)2335-2341
Number of pages7
JournalTransactions of the Korean Institute of Electrical Engineers
Issue number12
Publication statusPublished - 2009 Dec


  • Delay time
  • Rate of change of voltage
  • UnderVoltageLoadShedding

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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