NDLI: Operating Region of Single-Phase UPQCs

Content Provider	IEEE Xplore Digital Library
Author	Reyes, J.R. Espinoza, J.R. Sepulveda, C.A.
Copyright Year	2005
Description	Author affiliation: Dept. of Electr. Eng., Univ. de Concepcion (Reyes, J.R.; Espinoza, J.R.; Sepulveda, C.A.)
Abstract	The stationary analysis of a single-phase unified power quality conditioner is introduced. The decomposition of a single-phase waveform into a sum of sine and cosine functions gives a representation of the original signals and at the same time allows to find the operating region of the system. This is due to the fact that a model where all the state variables become dc quantities in steady state is obtained. The operating region establishes that sags and swells can be readily compensated by the series converter of the unified power quality conditioner. However, the range is limited by the power factor at the point of common coupling, the dc link voltage of the topology, and the load voltage reference. Furthermore, the angle of the load voltage to the PCC voltage is found to be arbitrary. However, it can be chosen to obtain either a maximum compensating range for sags and swells or to operate the topology at minimum losses. Extensive simulated results probe the theoretical considerations
Starting Page	1726
Ending Page	1731
File Size	901026
Page Count	6
File Format	PDF
ISBN	0780390334
DOI	10.1109/PESC.2005.1581863
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-06-16
Publisher Place	Brazil
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage Topology Power quality Reactive power Power system modeling Steady-state Power harmonic filters Active filters Probes Power system harmonics
Content Type	Text
Resource Type	Article

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