The penetration of hybrid green power systems (HGPSs) into power systems that often include photovoltaic arrays and wind turbines is increasing and, for the on-grid systems, the issue of reactive power management has become steadily important. As the objective of this study, the optimal design of a static compensator (STATCOM) for an on-grid HGPS is investigated, where the size parameters of the system, along with voltage amplitude and angle of the STATCOM are determined, as lines congestion constraints are met. The imperialist competitive algorithm is employed to solve the nonlinear optimization problem. Based on results from case study with IEEE 30-bus test system, it is determined that utilization of STATCOM can positively affect the distribution of reactive power in the electrical network and improve congestion that occurs in specific hours of HGPS operation. The result show that the overall efficiency of HGPS with and without STATCOM is 45.54% and 39.5%, respectively, while the investments cost for HGPS with STATCOM is 1.9% lower than that of its counterpart.
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January 2013
Research Article|
February 11 2013
Imperialist competitive algorithm for optimal design of on-grid hybrid green power system integrated with a static compensator for reactive power management
H. Gharavi;
H. Gharavi
Energy Research Center, Department of Electrical Engineering, Amirkabir University of Technology (Tehran Polytechnic)
, 424 Hafez Ave., Tehran 15825-4413, Iran
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M. M. Ardehali
M. M. Ardehali
a)
Energy Research Center, Department of Electrical Engineering, Amirkabir University of Technology (Tehran Polytechnic)
, 424 Hafez Ave., Tehran 15825-4413, Iran
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a)
Author to whom correspondence should be addressed. Electronic mail: ardehali@aut.ac.ir. Tel.: +98(21) 64543323. Fax: +98(21) 66406469.
J. Renewable Sustainable Energy 5, 013115 (2013)
Article history
Received:
October 15 2012
Accepted:
January 25 2013
Citation
H. Gharavi, M. M. Ardehali; Imperialist competitive algorithm for optimal design of on-grid hybrid green power system integrated with a static compensator for reactive power management. J. Renewable Sustainable Energy 1 January 2013; 5 (1): 013115. https://doi.org/10.1063/1.4790816
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