Abstract




 
   

IJE TRANSACTIONS B: Applications Vol. 31, No. 2 (February 2018) 277-284    Article in Press

PDF URL: http://www.ije.ir/Vol31/No2/B/12.pdf  
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  OPTIMAL LOCATING AND SIZING OF UPQC-PAC FOR REACTIVE POWER COMPENSATION IN RADIAL DISTRIBUTION NETWORK WITH WIND GENERATION
 
A. Moradi, Y. Alinejad-Beromi, M. Parsa and M. Mohammadi
 
( Received: December 24, 2016 – Accepted: October 27, 2017 )
 
 

Abstract    In this article, a multi-objective planning is demonstrated for reactive power compensation in radial distribution networks with wind generation via unified power quality conditioner (UPQC). UPQC model, based on phase angle control (PAC), is used. In presented method, optimal locating of UPQC-PAC is done by simultaneous minimizing of objective functions such as: grid power loss, percentage of nodes with voltage drop, and capacity of UPQC. The proposed model is a complicated non-linear optimization problem. For introducing group of non-dominated solutions, a multi-objective grey wolf optimizer (MOGWO) algorithm based on probabilistic load flow is used, then a fuzzy sets theory is used to achieve the best response. In order to evaluate reliability of mentioned approach, simulation is done on 33-bus distribution network.

 

Keywords    fuzzy sets theory, multi-objective grey wolf optimizer (MOGWO), radial distribution network, reactive power compensation, unified power quality conditioner (UPQC), wind generation

 

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