{"title":"A simple high speed sensorless method for PWM converter","authors":"I. Ando, K. Utsunomiya, I. Takahashi","doi":"10.1109/ISIE.2000.930334","DOIUrl":null,"url":null,"abstract":"This paper describes about a simple construction of high speed source voltage sensorless method of a PWM converters. It has the following characteristics: (1) this sensorless method is realized only by adding two operational amplifiers for one phase and a one analog switch to a conventional PWM control circuit. Therefore, this method makes low cost and simple; and (2) by using a high speed PI circuit of source current control, a high speed response of a estimated source voltage is also obtained. It not only obtains excellent performances such as 99% power factor and 1.9% THD but also realizes small size, simple control construction and the low cost converter. It can be also applied to an active filter.","PeriodicalId":298625,"journal":{"name":"ISIE'2000. Proceedings of the 2000 IEEE International Symposium on Industrial Electronics (Cat. No.00TH8543)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2000-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ISIE'2000. Proceedings of the 2000 IEEE International Symposium on Industrial Electronics (Cat. No.00TH8543)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISIE.2000.930334","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
This paper describes about a simple construction of high speed source voltage sensorless method of a PWM converters. It has the following characteristics: (1) this sensorless method is realized only by adding two operational amplifiers for one phase and a one analog switch to a conventional PWM control circuit. Therefore, this method makes low cost and simple; and (2) by using a high speed PI circuit of source current control, a high speed response of a estimated source voltage is also obtained. It not only obtains excellent performances such as 99% power factor and 1.9% THD but also realizes small size, simple control construction and the low cost converter. It can be also applied to an active filter.
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