Voltage sags are the most widespread quality issues affecting distribution systems. This paper describes in some detail the voltage sag characteristics due to different types and locations of fault in a practical low voltage power distribution system encountered in the UK. The results not only give utility engineers very useful information when identifying parts of the system most likely to pose problems for customer equipments, but also assist the facility personnel to make decisions on purchasing power quality mitigation equipment.
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G.T. Heydt, 'Power quality engineering', IEEE Power Engineering Review, September 2001, pp. 5-7
M.H.J. Bollen, 'Voltage sags in three-phase systems', IEEE Power Engineering Review, September 2001, pp. 8-11
IEEE Standard 1346, IEEE Recommended Practice for Evaluating Electric Power System Compatibility with Electronic Process Equipment, 1998
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2009. "" Journal of electrical engineering & technology, 4(2): 168~174