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Hassan Bevrani

Hassan Bevrani

Academic rank: Professor
ORCID:
Education: PhD.
ScopusId: 55913436700
Faculty: Faculty of Engineering
Address: Dept. Of Electrical and Computer Eng, University of Kurdistan, Allameh Hamdi Blvd, Sanandaj PO Box 416, P. C: 66177-15175, Kurdistan, Iran
Phone: +98-87-33624001

Research

Title
A New Approach for Simultaneous AVR-PSS Design
Type
FinishedProject
Keywords
Power system stabilizer, voltage regulation, H∞ control, static output feedback, LMI
Year
2007
Researchers Takashi Hiyama ، Hassan Bevrani

Abstract

This paper addresses a control methodology to enhance power system dynamic stability and voltage regulation by augmenting existing generator controls (conventional PSS and AVR) using an optimal static gain vector. The control design problem is reduced to find a new control loop including a simple fixed gain vector. In order to optimal tuning of gain elements, the problem is formulated via an H∞ static output feedback (H∞-SOF) control technique, and the solution is easily carried out using an iterative linear matrix inequalities (ILMI) algorithm. It is shown that we can easily remove the conventional PSS and AVR and replace those by the mentioned simple H∞-SOF controller. Real-time experiment has been performed for a longitudinal four-machine infinite-bus system on the Analog Power System Simulator at the Research Laboratory of the Kyushu Electric Power Co*. The proposed robust technique is shown to maintain the robust performance and minimize the effects of disturbances.