电子科技
電子科技
전자과기
Electronic Science and Technology
2015年
9期
50-53
,共4页
无功优化%统一潮流控制器%粒子群算法%电压稳定
無功優化%統一潮流控製器%粒子群算法%電壓穩定
무공우화%통일조류공제기%입자군산법%전압은정
reactive power optimization%PSO algorithm%unified power flow controller%voltage stability
为了更加有效地实现对电力系统潮流分布的控制,以进一步提高电力系统无功优化的有效性,达到使系统损耗最小的目的,提出了基于粒子群智能优化算法的计及UPFC的无功优化方法。以系统有功网损最小为目标函数,为了有效利用UPFC对潮流的调节作用,采用UPFC的节点注入功率模型。通过IEEE-30测试算例就系统有功网损和电压稳定性,对基于粒子群算法系统装设UPFC装置前后进行比较,发现采用文中方法后,不仅降低了系统的有功网损,提高了电压质量,而且与粒子群算法相比,还减少了算法的迭代次数,仿真结果验证了文中模型和算法的有效性和可行性。
為瞭更加有效地實現對電力繫統潮流分佈的控製,以進一步提高電力繫統無功優化的有效性,達到使繫統損耗最小的目的,提齣瞭基于粒子群智能優化算法的計及UPFC的無功優化方法。以繫統有功網損最小為目標函數,為瞭有效利用UPFC對潮流的調節作用,採用UPFC的節點註入功率模型。通過IEEE-30測試算例就繫統有功網損和電壓穩定性,對基于粒子群算法繫統裝設UPFC裝置前後進行比較,髮現採用文中方法後,不僅降低瞭繫統的有功網損,提高瞭電壓質量,而且與粒子群算法相比,還減少瞭算法的迭代次數,倣真結果驗證瞭文中模型和算法的有效性和可行性。
위료경가유효지실현대전력계통조류분포적공제,이진일보제고전력계통무공우화적유효성,체도사계통손모최소적목적,제출료기우입자군지능우화산법적계급UPFC적무공우화방법。이계통유공망손최소위목표함수,위료유효이용UPFC대조류적조절작용,채용UPFC적절점주입공솔모형。통과IEEE-30측시산례취계통유공망손화전압은정성,대기우입자군산법계통장설UPFC장치전후진행비교,발현채용문중방법후,불부강저료계통적유공망손,제고료전압질량,이차여입자군산법상비,환감소료산법적질대차수,방진결과험증료문중모형화산법적유효성화가행성。
In order to control the power flow distribution of power system more effectively, to further improve the effectiveness of the power system reactive power optimization, and to achieve minimizing system loss, this paper proposes a new model based on PSO algorithm for reactive power optimization of a system with UPFC systems.The active network loss minimum is as an objective function using the power injection model of UPFC for effective control of the power flow distribution.This method is implemented and applied into IEEE-30 system and the calculation re-sults indicate that this method not only reduces the active network loss and increases the voltage stability but also re-duces the number of iterations of PSO algorithm.Simulation proves the presented model and algorithm are effective and feasible.