{"title":"The problems of centralized decrease of harmonic voltages in the HV networks with distributed nonlinear loads","authors":"L. Kovernikova","doi":"10.1109/ICHQP.2010.5625417","DOIUrl":null,"url":null,"abstract":"The paper studies the problems on centralized normalization of harmonic voltages in the network with distributed nonlinear loads by the passive filters. The nonlinear loads are connected to the extended HV network at practically equal distances. Each nonlinear load is of sufficiently high power. The harmonic voltage values at the nodes of nonlinear loads connection to the supply network exceed the limits established by the standard. The paper addresses the problems of choosing the passive filters: determination of a desired value of harmonic voltages after filter installation, choice of the node for filter installation, calculation of filter parameters and evaluation of the efficiency of chosen filters for centralized normalization of harmonic voltages at the network nodes. An example of choosing the third-order filters for the real 220 kV network supplying power to traction loads is given.","PeriodicalId":180078,"journal":{"name":"Proceedings of 14th International Conference on Harmonics and Quality of Power - ICHQP 2010","volume":"21 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-11-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of 14th International Conference on Harmonics and Quality of Power - ICHQP 2010","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICHQP.2010.5625417","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
The paper studies the problems on centralized normalization of harmonic voltages in the network with distributed nonlinear loads by the passive filters. The nonlinear loads are connected to the extended HV network at practically equal distances. Each nonlinear load is of sufficiently high power. The harmonic voltage values at the nodes of nonlinear loads connection to the supply network exceed the limits established by the standard. The paper addresses the problems of choosing the passive filters: determination of a desired value of harmonic voltages after filter installation, choice of the node for filter installation, calculation of filter parameters and evaluation of the efficiency of chosen filters for centralized normalization of harmonic voltages at the network nodes. An example of choosing the third-order filters for the real 220 kV network supplying power to traction loads is given.
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