{"title":"Research on Regenerative Braking Energy Feedback Control of Rail Transit using Linear Flux Switching Permanent Motor","authors":"Weiming Zhang, R. Cao","doi":"10.1109/CIEEC58067.2023.10167090","DOIUrl":null,"url":null,"abstract":"The subway stations are close together and the trains frequently start and stop. Regenerative braking produces over 40% of the energy used during braking. Currently, the common method to consume this energy is using a brake resistor, which leads to energy waste and temperature increase in the subway tunnel due to the rise of DC voltage. This paper studies the feedback energy from regenerative braking motors and proposes a control strategy using a flux switching linear motor to drive the train, combined with a grid-connected inverter to stabilize DC voltage. This approach can significantly increase the utilization rate of regenerative braking energy and reduce overall energy consumption. Simulation results confirm the effectiveness of this approach.","PeriodicalId":185921,"journal":{"name":"2023 IEEE 6th International Electrical and Energy Conference (CIEEC)","volume":"43 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2023 IEEE 6th International Electrical and Energy Conference (CIEEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CIEEC58067.2023.10167090","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
The subway stations are close together and the trains frequently start and stop. Regenerative braking produces over 40% of the energy used during braking. Currently, the common method to consume this energy is using a brake resistor, which leads to energy waste and temperature increase in the subway tunnel due to the rise of DC voltage. This paper studies the feedback energy from regenerative braking motors and proposes a control strategy using a flux switching linear motor to drive the train, combined with a grid-connected inverter to stabilize DC voltage. This approach can significantly increase the utilization rate of regenerative braking energy and reduce overall energy consumption. Simulation results confirm the effectiveness of this approach.
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