基于混合粒子群的變壓器局部放電定位研究與應用
郭曉川,黃穎
(國網(wǎng)湖北省電力公司檢修公司,湖北 武漢 430050)
摘 要:放電源的精確定位是保證變壓器穩(wěn)定運行、延長服役壽命的關(guān)鍵環(huán)節(jié)。通過兩個標準測試函數(shù)對所提模擬退火混合粒子群算法進行測試,發(fā)現(xiàn)其對比普通粒子群(PSO)在穩(wěn)定度及精度上均有所提升,將該方法應用于局部放電(PD)的定位模型中,發(fā)現(xiàn)該算法能夠?qū)ψ儔浩髦械腜D點進行精確定位,并對比自適應及普通粒子群算法所得結(jié)果精度均有提升,為現(xiàn)場定位試驗需要提供了參考。
關(guān)鍵詞:變壓器;局部放電;混合粒子群;特高頻;定位
中圖分類號:TM41 文獻標識碼:A 文章編號:1007-3175(2017)09-0032-04
Research and Application of Partial Discharge Localization in Transformers Based on Hybrid Particle Swarm Optimization
GUO Xiao-chuan, HUANG Ying
(State Grid Hubei Corporation Maintenance Company, Wuhan 430050, China)
Abstract: The accurate positioning of the discharge resource is the key to ensure the stable operation of the transformer and to prolong the service life. The proposed simulated annealing hybrid particle swarm algorithm was tested by two-standard test functions. It was found that the stability and precision of the result were higher than that of the general particle swarm optimization (PSO). The positioning model of particle discharge (PD) with this algorithm could accurately locate the PD points in the transformer. Compared with the adaptive and conventional particle swarm optimization algorithm, the accuracy of the results was improved, which provides references for site location tests.
Key words: transformer; partial discharge; hybrid particle swarm; ultrahigh frequency; location
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