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Importance of Measurement: The Impact of Power Quality in Energy Efficiency
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To implement sustainable and green initiatives in a building it is vital to have a means of measuring and verifying its performance. This is done by the introduction of intelligent utility and energy metering to the facility that would become its eyes and ears. The principle is you cannot control what you cannot measure. Looking closer at the power side, the inefficiencies caused by power quality issues such as power factor and harmonics have often been easily overlooked due to the traditional focus on equipment performance optimisation, rather than on the quality of power which is essential for the operation of any electrical equipment. This paper analyses power factor and harmonics problem areas and offers practical approaches for improvements.
Qazi, T.; Roy, S. (2010). Importance of Measurement: The Impact of Power Quality in Energy Efficiency. Energy Systems Laboratory (http://esl.tamu.edu); Texas A&M University (http://www.tamu.edu). Available electronically from