NDLI: On linear power factor compensation, power equalization and cyclo-dissipativity of nonlinear loads

Content Provider	IEEE Xplore Digital Library
Author	del Puerto-Flores, D. Scherpen, J.M.A. Ortega, R.
Copyright Year	2010
Description	Author affiliation: Deparment of Discrete Technology and Production Automation, Rijksuniversiteit Groningen, Nijenborgh 4, 9747 AG, The Netherlands (del Puerto-Flores, D.; Scherpen, J.M.A.) \|\| Laboratoire des Signaux et Systèmes, SUPELEC, Plateau de Moulon, 91192, Gif-sur-Yvette, France (Ortega, R.)
Abstract	The main contribution of this paper is an extension of the recently introduced result that recasts the problem of power factor compensation for nonlinear loads with non-sinusoidal source voltage in terms of the property of cyclo-dissipativity. Using the cyclo-dissipativity framework the classical capacitor and inductor compensators can be interpreted in terms of energy equalization. Unfortunately, the supply rate is a function of the load, which is usually unknown, styming the applicability of this result for compensator synthesis. We extend the result in three directions. First, power factor compensation is shown to be equivalent to a new cyclo-dissipativity condition, whose supply rate is now function of the compensator. Second, we consider general lossless linear filters as compensators and show that the power factor is improved if and only if a certain equalization condition between the weighted powers of inductors and capacitors of the load is ensured. Finally, we exhibit the gap between the ideal compensator, e.g., the one that achieves unitary power factor, and the aforementioned equalization condition. This result naturally leads to the formulation of a problem of optimization of the compensator topology and its parameters.
Starting Page	2993
Ending Page	2998
File Size	353405
Page Count	6
File Format	PDF
ISBN	9781424463909
e-ISBN	9781424463923
DOI	10.1109/ISIE.2010.5637658
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-04
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Integrated circuits Reactive power Inductors Capacitors Admittance Resistors Capacitance
Content Type	Text
Resource Type	Article

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