Power quality: Overview and monitoring

Ghanim Putrus, Janaka V. Wijayakulasooriya, Peter Minns

Research output: Contribution to conferencePaperpeer-review

13 Citations (Scopus)


"Power Quality" (PQ) is a generic term often used in relation with unwanted disturbances of the electricity supply. In recent years, there has been an increased number of PQ related problems. This is mainly due to the rapid growth in the use of equipment that generate PQ disturbances and also increase of equipment that are sensitive to these disturbances. This increased concern about PQ issues from both suppliers and consumers of electricity has increased the demand for advanced PQ monitoring systems. Each PQ disturbance has a unique wave shape resembling its characteristics. Therefore PQ disturbances could be identified by monitoring the voltage/current signal waveform and analysing its features. PQ monitoring instruments can vary from a simple true r.m.s. meter to advanced techniques that are capable of automatically capturing and classifying PQ events. This paper presents an overview of the characteristics, effects and causes of PQ events and addresses recent trends in PQ monitoring.
Original languageEnglish
Publication statusPublished - Aug 2007
EventICIIS 2007 - Second International Conference on Industrial and Information Systems - Penadeniya, Sri Lanka
Duration: 1 Aug 2007 → …


ConferenceICIIS 2007 - Second International Conference on Industrial and Information Systems
Period1/08/07 → …


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