{"title":"500kv气体绝缘变电站极低频磁场的测量与计算","authors":"K. Sakai, K. Kato, H. Okubo, A. Matusmoto","doi":"10.1109/TDC.2002.1177652","DOIUrl":null,"url":null,"abstract":"In this paper, we discussed the extremely low frequency (ELF) magnetic field environment in a 500 kV/275 kV gas insulated substation. We investigated magnetic field distribution around 3-phase GIS (gas insulated switchgear) by comparing the measurement results with calculation using finite element method (FEM). By simultaneous measurement of conductor current, we could have very good agreement of calculation results with measurement one. Particularly, the drastic mitigation of magnetic field with distance from GIS was characterized and quantified by comparing the one in open-air substation. In addition, the magnetic field distribution in GIS was discussed by analyzing the influence of induced current distribution in GIS sheath. From the results, we characterized the distinct features of magnetic field distribution in 500 kV/275 kV gas insulated substation by comparing with another type of substation.","PeriodicalId":289535,"journal":{"name":"IEEE/PES Transmission and Distribution Conference and Exhibition","volume":"7 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"ELF magnetic field measurement and calculation in 500 kV gas insulated substation\",\"authors\":\"K. Sakai, K. Kato, H. Okubo, A. Matusmoto\",\"doi\":\"10.1109/TDC.2002.1177652\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper, we discussed the extremely low frequency (ELF) magnetic field environment in a 500 kV/275 kV gas insulated substation. We investigated magnetic field distribution around 3-phase GIS (gas insulated switchgear) by comparing the measurement results with calculation using finite element method (FEM). By simultaneous measurement of conductor current, we could have very good agreement of calculation results with measurement one. Particularly, the drastic mitigation of magnetic field with distance from GIS was characterized and quantified by comparing the one in open-air substation. In addition, the magnetic field distribution in GIS was discussed by analyzing the influence of induced current distribution in GIS sheath. From the results, we characterized the distinct features of magnetic field distribution in 500 kV/275 kV gas insulated substation by comparing with another type of substation.\",\"PeriodicalId\":289535,\"journal\":{\"name\":\"IEEE/PES Transmission and Distribution Conference and Exhibition\",\"volume\":\"7 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2002-10-06\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE/PES Transmission and Distribution Conference and Exhibition\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/TDC.2002.1177652\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE/PES Transmission and Distribution Conference and Exhibition","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/TDC.2002.1177652","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
ELF magnetic field measurement and calculation in 500 kV gas insulated substation
In this paper, we discussed the extremely low frequency (ELF) magnetic field environment in a 500 kV/275 kV gas insulated substation. We investigated magnetic field distribution around 3-phase GIS (gas insulated switchgear) by comparing the measurement results with calculation using finite element method (FEM). By simultaneous measurement of conductor current, we could have very good agreement of calculation results with measurement one. Particularly, the drastic mitigation of magnetic field with distance from GIS was characterized and quantified by comparing the one in open-air substation. In addition, the magnetic field distribution in GIS was discussed by analyzing the influence of induced current distribution in GIS sheath. From the results, we characterized the distinct features of magnetic field distribution in 500 kV/275 kV gas insulated substation by comparing with another type of substation.
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