Abstract
Two important but often neglected characteristics of voltage sags and short interruptions are: point on wave of sag/interruption initiation and point on wave of sag/interruption ending. A critical review of existing approaches is presented and an appropriate definition of point-on-wave values proposed. An identification of point-on-wave values in monitoring applications is discussed and problems related to identification/assessment of point-on-wave values highlighted. Examples of equipment sensitivity to these phenomena are analysed. The results related to identified ranges and relationships of point-on-wave values are reviewed, using examples of sags and interruptions recorded in power supply systems. Adequate procedure for testing single-phase and three-phase equipment to sags and interruptions are discussed with respect to point-on-wave values. © The Institution of Engineering and Technology 2007.
| Original language | English |
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| Pages (from-to) | 146-154 |
| Number of pages | 8 |
| Journal | IET Generation, Transmission and Distribution |
| Volume | 1 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2007 |