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Using Exergy to Understand and Improve the Efficiency of Electrical Power Technologies

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Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, 2000 Simcoe Street North, Oshawa, Ontario, L1H 7K4, Canada
2
Faculty of Electromechanical and Environmental Engineering, University of Craiova, Romania
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Author to whom correspondence should be addressed.
Entropy 2009, 11(4), 820-835; https://doi.org/10.3390/e11040820
Received: 21 September 2009 / Accepted: 2 November 2009 / Published: 6 November 2009
(This article belongs to the Special Issue Exergy: Analysis and Applications)
The benefits are demonstrated of using exergy to understand the efficiencies of electrical power technologies and to assist improvements. Although exergy applications in power systems and electrical technology are uncommon, exergy nevertheless identifies clearly potential reductions in thermodynamic losses and efficiency improvements. Various devices are considered, ranging from simple electrical devices to generation systems for electrical power and for multiple products including electricity, and on to electrically driven. The insights provided by exergy are shown to be more useful than those provided by energy, which are sometimes misleading. Exergy is concluded to have a significant role in assessing and improving the efficiencies of electrical power technologies and systems, and provides a useful tool for engineers and scientists as well as decision and policy makers. View Full-Text
Keywords: exergy; electricity; power generation; energy conversion; electricity use exergy; electricity; power generation; energy conversion; electricity use
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Rosen, M.A.; Bulucea, C.A. Using Exergy to Understand and Improve the Efficiency of Electrical Power Technologies. Entropy 2009, 11, 820-835.

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