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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
Robust Multivariable Microgrid Control Synthesis and Analysis
Type
Presentation
Keywords
Microgrid, RGA, Generalized Nyquist, Robust performance, H_\infty Control, H_2 Control, Multivariable system
Year
2016
Researchers Hassan Bevrani ، Yazdan Batmani ، Yusef Khayat ، Mobin Naderi

Abstract

In this paper, an islanded microgrid is modeled a linear multivariable dynamic system. Then, the multivariable analysis tools are employed. The generalized Nyquist diagram and relative gain array for the stability assesment and solving the pairing problem among the inputs and outputs. Droop control dependency on the X/R ratio of the microgrid DERs is recognized and its type is proposed using the relative gain array concept. Robust stability, nominal performance and robust performance requirments are evaluated in order to a better understanding of the system dynamics. Finally thrree different controllers including H, H and sequential PID controllers are designed and compared.