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   Enhancement of voltage stability and reduction of power loss using genetic algorithm through optimal location of SVC,TCSC and UPFC  
   
نویسنده kalaivani r. ,dheebika s.k.
منبع journal of engineering science and technology - 2016 - دوره : 11 - شماره : 10 - صفحه:1470 -1485
چکیده    Due to huge increase in power demand,power system network will lead to major problems such as voltage instability and voltage collapse in the power system. to overcome these problems,flexible ac transmission system (facts) devices have been implemented in power system. by placing these devices in suitable locations,the power system can be operated far away from the instability point. in this paper,the optimal location and the ratings of facts devices such as thyristor controlled series capacitor (tcsc),static var compensator (svc) and unified power flow controller (upfc) are determined using genetic algorithm (ga). a multi objective optimization problem is formulated with the consideration of minimizing voltage stability index,real power loss and generator cost. evolutionary algorithm such as ga is a population based search method is used for solving multi objective optimization problem that is capable of searching for multiple solutions concurrently in a single run and provide an optimal solution. it is observed from the results that the voltages stability index,real power loss and generator cost are reduced by optimally locating the facts devices in the power system. ieee 14 bus and ieee 57 bus systems are used to demonstrate the effectiveness of the proposed algorithm. © school of engineering,taylor’s university.
کلیدواژه GA; SVC; TCSC; UPFC; Voltage collapse; Voltage stability
آدرس department of electrical and electronics engineering,rajalakshmi engineering college,anna university, India, department of electrical and electronics engineering,rajalakshmi engineering college,anna university, India
 
     
   
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