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Vol. 132, Issue 9, September 2011, pp.89-99




Improved Web-based Power Quality Monitoring Instrument


I. Adam, *A. Mohamed and *H. Sanusi

Electronics Section, UniKL-BMI, Bt. 8, Jln. Sg. Pusu, 53100, Gombak, Selangor, Malaysia

Tel.: +603-61841000, fax: +603-61864040

*Department of Electrical, Electronics and System Engineering,

Faculty of Engineering & Built Environment,

43000, UKM Bangi, Selangor, Malaysia

Tel.: +603-89216006, fax: +603-89202314

E-mail: ismail@bmi.unikl.edu.my, azah@eng.ukm.my, hilmi@eng.ukm.my



Received: 1 August 2011   /Accepted: 19 September 2011   /Published: 27 September 2011

Handbook of Laboaratory Measurements book


Abstract: Presently, the need for power quality (PQ) monitoring instrument to characterize the performance of power system is becoming more important. Advancement in the embedded web based technology has enabled PQ data to be monitored and captured remotely via the web browser. This paper presents the development of a web-based PQ monitoring instrument for single phase power measurements. The embedded web based technology is applied and this contributes to the reduction in the development and operational cost of the PQ instrument. The PQ data is processed at the receiving end so as to eliminate dependency in processing the PQ data at customer sites. The results on real–time monitoring and downloading of the PQ data via the web browser are also described. The novelty of the developed PQ monitoring instrument is in the simplicity of the design and cost of developing the instrument.


Keywords: Power quality, Real-time, Web-based


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