Author/Authors :
Mirsaeidi، Sohrab نويسنده Young Researchers and Elites Club, Saveh Branch, Islamic Azad University, Saveh, Iran , , Gharehzadeh Shirazi، Mahmood نويسنده Department of Electrical Engineering, Borujerd Branch, Islamic Azad University, Borujerd, Iran , , Ghaffari، Kimia نويسنده Young Researchers and Elites Club, Saveh Branch, Islamic Azad University, Saveh, Iran , , Mirsaeidi، Mahsa نويسنده Young Researchers and Elites Club, Saveh Branch, Islamic Azad University, Saveh, Iran ,
Abstract :
Nowadays, Voltage unbalance is one of the most important aspects of power quality researches. Voltage
unbalance has some adverse effects such as increasing the power system losses and mal operation of protective
devices. So it should be minimized and maintained at an acceptable level in whole of the network. The load
balancing and power factor correction of Static Var Compensator (SVC) is well known, but applying multiple
compensators is not cost-effective. Therefore, size and location of the SVC have to be determined optimally.
This paper introduces an approach based on the Particle Swarm Optimization (PSO) to find the best size and
location of a three-phase SVC so that to minimize a pre-defined Fitness Function(FF). The FF includes voltage
profile, power system losses and particularly asymmetry in the network voltage magnitude. The FF is
minimized when it is subjected to some constraints such as the limits of reactive power generation of the
generators and bus voltage magnitude.
