{"title":"Magnetostatic analysis and power optimization of electric release brake","authors":"M. Kumbhar, R. Bindu, Abhilash Walavalkar","doi":"10.1109/AICERA.2014.6908234","DOIUrl":null,"url":null,"abstract":"This paper presents electric release brake which is mainly used for safety purpose where emergency stop is required in automation or process industry. Brake is in engage condition when power cut occurs intentionally or accidently. For the given brake, coil is designed to get the required magnetic force. Due to friction between armature plate and body, the air gap between them increases. Magnetostatic analysis is carried out to see the effect of variable air gap and to get sufficient magnetic force upto 1 mm gap. During normal working condition brake is in disengage condition but brake coil is energized. Optimum utilization of brake coil is obtained using PWM method and power consumption is reduced. Also brake engagement time is reduced using simple circuit with zener diode.","PeriodicalId":425226,"journal":{"name":"2014 Annual International Conference on Emerging Research Areas: Magnetics, Machines and Drives (AICERA/iCMMD)","volume":"226 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2014 Annual International Conference on Emerging Research Areas: Magnetics, Machines and Drives (AICERA/iCMMD)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/AICERA.2014.6908234","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
This paper presents electric release brake which is mainly used for safety purpose where emergency stop is required in automation or process industry. Brake is in engage condition when power cut occurs intentionally or accidently. For the given brake, coil is designed to get the required magnetic force. Due to friction between armature plate and body, the air gap between them increases. Magnetostatic analysis is carried out to see the effect of variable air gap and to get sufficient magnetic force upto 1 mm gap. During normal working condition brake is in disengage condition but brake coil is energized. Optimum utilization of brake coil is obtained using PWM method and power consumption is reduced. Also brake engagement time is reduced using simple circuit with zener diode.
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