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This paper develops a Particle Swarm Optimization (PSO) based algorithm to find an optimal place and parameter of Unified Power Flow Controller (UPFC) to improve voltage profile with minimum system loss. UPFC is a most versatile Flexible Alternating Current Transmission System (FACTS) controller, which can control bus voltage; flow of active as well as reactive power through lines. The novelty of this work is to fix the location of UPFC at base load to make power distribution system more secure and efficient, by tuning its parameters at all possible load conditions. The developed methodology is employed in IEEE 30-bus system with different intensities of the load. Results prove the success of developed technique and verify the potential of UPFC for improvement of system stability with mitigation of losses.<\/jats:p>","DOI":"10.3233\/jifs-169783","type":"journal-article","created":{"date-parts":[[2018,7,27]],"date-time":"2018-07-27T19:27:45Z","timestamp":1532719665000},"page":"4987-4995","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":13,"title":["A PSO based search for optimal tuning and fixing of UPFC to improve usefulness of distribution system"],"prefix":"10.1177","volume":"35","author":[{"given":"Shiva Pujan","family":"Jaiswal","sequence":"first","affiliation":[{"name":"Department of Electrical and Electronics Engineering, SET, Sharda University, Greater Noida, India"}]},{"given":"Vivek","family":"Shrivastava","sequence":"additional","affiliation":[{"name":"Department of Electrical Engineering, RTU, Kota, India"}]}],"member":"179","published-online":{"date-parts":[[2018,7,24]]},"reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijepes.2013.07.032"},{"key":"e_1_3_1_3_2","doi-asserted-by":"publisher","DOI":"10.1049\/iet-gtd.2016.0300"},{"key":"e_1_3_1_4_2","doi-asserted-by":"publisher","DOI":"10.1080\/15325008.2017.1290713"},{"key":"e_1_3_1_5_2","doi-asserted-by":"publisher","DOI":"10.1109\/PES.2007.386149"},{"key":"e_1_3_1_6_2","doi-asserted-by":"publisher","DOI":"10.4236\/epe.2012.45043"},{"key":"e_1_3_1_7_2","doi-asserted-by":"publisher","DOI":"10.1109\/AUPEC.2007.4548108"},{"key":"e_1_3_1_8_2","doi-asserted-by":"publisher","DOI":"10.1109\/CIPECH.2014.7018212"},{"key":"e_1_3_1_9_2","doi-asserted-by":"publisher","DOI":"10.1109\/PESW.2001.916915"},{"key":"e_1_3_1_10_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.epsr.2006.03.006"},{"key":"e_1_3_1_11_2","doi-asserted-by":"publisher","DOI":"10.3233\/KES-2007-11301"},{"issue":"4","key":"e_1_3_1_12_2","article-title":"A robust method for state estimation of power system with UPFC","volume":"18","author":"Tarafdar H.","year":"2010","unstructured":"TarafdarH. and MehdiA.J., A robust method for state estimation of power system with UPFC, Comp Sci18(4) (2010).","journal-title":"Comp Sci"},{"key":"e_1_3_1_13_2","doi-asserted-by":"publisher","DOI":"10.1109\/APPEEC.2010.5449223"},{"key":"e_1_3_1_14_2","doi-asserted-by":"publisher","DOI":"10.1109\/APPEEC.2010.5449223"},{"key":"e_1_3_1_15_2","doi-asserted-by":"publisher","DOI":"10.1109\/SCOReD.2011.6148703"},{"key":"e_1_3_1_16_2","doi-asserted-by":"publisher","DOI":"10.3906\/elk-1003-468"},{"key":"e_1_3_1_17_2","doi-asserted-by":"publisher","DOI":"10.3906\/elk-1102-1047"},{"key":"e_1_3_1_18_2","first-page":"89","article-title":"Application of genetic algorithm inoptimization of Unified Power Flow Controller parameters and its location in the power system network","volume":"46","author":"Hassan I.H.","year":"2013","unstructured":"HassanI.H., MoghavvemiM., HaiderA.F.A. and OttoS., Application of genetic algorithm inoptimization of Unified Power Flow Controller parameters and its location in the power system network, Intl J of Ele Po and En Sys46 (2013), 89\u201397.","journal-title":"Intl J of Ele Po and En Sys"},{"key":"e_1_3_1_19_2","doi-asserted-by":"publisher","DOI":"10.3906\/elk-1203-40"},{"key":"e_1_3_1_20_2","doi-asserted-by":"publisher","DOI":"10.3233\/IFS-151690"},{"key":"e_1_3_1_21_2","volume-title":"WEA 2017. 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