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Article citations


C. X. Ren, Y. S. Xue, M. Ding, et al., “Negative Control Effects of UFLS and UVLS,” Automation of Electric Power Systems, Vol. 33, No. 10, 2009, pp. 1-5.

has been cited by the following article:

  • TITLE: The Coupling of Voltage and Frequecncy Response in Splitting Island and Its Effects on Load-shedding Relays

    AUTHORS: Hao Yang, Baohui Zhang

    KEYWORDS: Frequency Response; Coupling Effects; Splitting Island; Coordination Control

    JOURNAL NAME: Energy and Power Engineering, Vol.5 No.4B, October 30, 2013

    ABSTRACT: The voltage and frequency dynamics interact with each other in the island after splitting. The current frequency response model without considering the voltage effect would bring remarkable errors when analyzing the frequency dynamic progress in the island with large-capacity active-power shortage. In this paper, coupling effects of voltage and frequency are studied to indicate that initial reactive-power deficit and load characteristics have strong effects on the coupling effects of the voltage and frequency. Moreover, control effects of currently used under frequency load-shedding relays (UFLS) and under voltage load-shedding relays (UVLS) which are installed and executed independently are examined to find that it would sometimes cause excessive or inadequate control without considering the coupling, suggesting that it is necessary to develop coordinate control methods for voltage and frequency problems.