{"title":"大功率多晶体管-逆变器不间断电源系统","authors":"J. Holtz, W. Lotzkat, K.-H. Werner","doi":"10.1109/PESC.1986.7415576","DOIUrl":null,"url":null,"abstract":"The active and reactive load distribution between n paralleled single-phase UPS inverters is equalized by virtue of n − 1 load sharing control loops. The approach permits the construction of UPS systems of any desired power rating at maximum utilization of the power components. The method of harmonic cancellation decreases the switching frequency of the power devices while maintaining good dynamic performance. The design details of a 45 kVA UPS inverter system with 150 % steady-state overload capability are presented. The performance at various operating conditions is illustrated by oscillograms.","PeriodicalId":164857,"journal":{"name":"1986 17th Annual IEEE Power Electronics Specialists Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1986-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"28","resultStr":"{\"title\":\"A high-power multi transistor-inverter uninterruptable power supply system\",\"authors\":\"J. Holtz, W. Lotzkat, K.-H. Werner\",\"doi\":\"10.1109/PESC.1986.7415576\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The active and reactive load distribution between n paralleled single-phase UPS inverters is equalized by virtue of n − 1 load sharing control loops. The approach permits the construction of UPS systems of any desired power rating at maximum utilization of the power components. The method of harmonic cancellation decreases the switching frequency of the power devices while maintaining good dynamic performance. The design details of a 45 kVA UPS inverter system with 150 % steady-state overload capability are presented. The performance at various operating conditions is illustrated by oscillograms.\",\"PeriodicalId\":164857,\"journal\":{\"name\":\"1986 17th Annual IEEE Power Electronics Specialists Conference\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1986-06-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"28\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1986 17th Annual IEEE Power Electronics Specialists Conference\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/PESC.1986.7415576\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1986 17th Annual IEEE Power Electronics Specialists Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PESC.1986.7415576","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A high-power multi transistor-inverter uninterruptable power supply system
The active and reactive load distribution between n paralleled single-phase UPS inverters is equalized by virtue of n − 1 load sharing control loops. The approach permits the construction of UPS systems of any desired power rating at maximum utilization of the power components. The method of harmonic cancellation decreases the switching frequency of the power devices while maintaining good dynamic performance. The design details of a 45 kVA UPS inverter system with 150 % steady-state overload capability are presented. The performance at various operating conditions is illustrated by oscillograms.
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