NDLI: Versatile control strategy of the unified power flow controller (UPFC)

Content Provider	IEEE Xplore Digital Library
Author	Sedraoui, K. Al-Haddad, K. Chandra, A. Olivier, G.
Copyright Year	2000
Description	Author affiliation: Dept. de Genie Electr., Ecole de Technol. Superieure, Que., Canada (Sedraoui, K.)
Abstract	The unified power flow controller (UPFC) is a third generation flexible AC transmission system (FACTS) that uses solid state electronics to control the flow of power through lines in a faster and more economical fashion. In this paper, we propose a versatile control strategy of the UPFC that joins shunt active filtering and system balancing capabilities to real time power flow control into one device. To achieve optimal UPFC behaviour in the different mode, the controllable system parameters are determined on-line based on the local instantaneous voltage and current measurements. The strategy is based on the theory of instantaneous parameters defined in the positive, negative and zero sequence with real and imaginary components. The power flow calculation should not involve any conventional definitions of power, the Fortescus transformation is used to conform the relation of the instantaneous active and reactive power with the steady state power values. The control algorithm compensates the oscillated part of the instantaneous active power and reactive power component to achieve the harmonics compensation without any RMS value calculation of voltage and current. The UPFC and the transmission system model has been developed in Simulink environment for the digital simulation to demonstrate the versatility of the new control strategy. Interesting results have been obtained, which are presented in this paper.
Starting Page	142
Ending Page	147
File Size	583513
Page Count	6
File Format	PDF
ISBN	0780359577
ISSN	08407789
DOI	10.1109/CCECE.2000.849687
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-05-07
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Load flow Control systems Flexible AC transmission systems Voltage control AC generators Power generation Solid state circuits Power system economics Power generation economics Environmental economics
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Hardware and Architecture

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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