Evaluating the voltage regulation of a UPFC using PI and fuzzy logic controller
Al-Mawsawi, S. and Qader, M. and Lo, K.L. (2002) Evaluating the voltage regulation of a UPFC using PI and fuzzy logic controller. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 21 (3). pp. 409-424. ISSN 0332-1649 (http://dx.doi.org/10.1108/03321640210423315)
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In recent years it has been illustrated that the Unified Power Flow Controller (UPFC) installation location plays an important role in effecting nonlinearly its steady state performance. A Pulse Width Modulation (PWM) based UPFC used as a voltage regulator is modeled and analyzed to investigate its optimal position in the transmission line. From the simulation results it is demonstration that by varying the modulation index of the device it can control the distribution of the active and reactive power flows. In addition, this paper deals with the definition and simulation of the control strategy of the closed-loop UPFC with a series compensation block when it operates as a terminal voltage regulator using Electromagnetic Transients Program (EMTP). The design and simulation of two types of digital controller strategies for the study system in this paper have been carried out. The dynamic performance in terms of speed stability, accuracy, robustness and simplicity of a PI controller with gain scheduling and a fuzzy logic controller have been tested and compared.
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Item type: Article ID code: 7038 Dates: DateEvent2002PublishedSubjects: Technology > Electrical engineering. Electronics Nuclear engineering Department: Faculty of Engineering > Electronic and Electrical Engineering Depositing user: Strathprints Administrator Date deposited: 17 Oct 2008 Last modified: 08 Apr 2024 15:45 URI: https://strathprints.strath.ac.uk/id/eprint/7038