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2023 IEEE Conference on Power Electronics and Renewable Energy (CPERE)最新文献

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Design Methodology of an Electrolytic Capacitorless LED Driver Using SEPIC PFC Converter 采用SEPIC PFC转换器的无电解电容LED驱动器设计方法
2023 IEEE Conference on Power Electronics and Renewable Energy (CPERE) Pub Date : 2023-02-19 DOI: 10.1109/CPERE56564.2023.10119530
Khaled Awad, O. Abdel-Rahim, M. Gaafar, M. Orabi
{"title":"Design Methodology of an Electrolytic Capacitorless LED Driver Using SEPIC PFC Converter","authors":"Khaled Awad, O. Abdel-Rahim, M. Gaafar, M. Orabi","doi":"10.1109/CPERE56564.2023.10119530","DOIUrl":"https://doi.org/10.1109/CPERE56564.2023.10119530","url":null,"abstract":"LED drivers are necessary for LEDs’ operation to control the LED’s current. This current control keeps the LED safe from the thermal runaway caused by the LED’s current increase above the maximum allowable value. The current control is also useful in controlling the output light. So, a reliable LED driver is highly required. The reliability of the LED drivers is strongly affected by the lifetime of the electrolytic capacitor which is small compared to the lifetime of the LED. As a result, in this paper, the electrolytic capacitor is replaced by a longlifetime film capacitor. This replacement is enabled using the SEPIC PFC converter operating in DCM III which enables controllability on the intermediate capacitor voltage. This controllability enables an optimized design for the intermediate capacitor to be a film capacitor and at the same time, the converter achieves an output light flicker within the IEEE Std 1789-2015 for flicker. The detailed design for the converter along with the simulation and experimental results is presented in this paper.","PeriodicalId":169048,"journal":{"name":"2023 IEEE Conference on Power Electronics and Renewable Energy (CPERE)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125424621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative Study of the State of Charge (SoC) Balancing Techniques for Battery Power Module Configurations 电池电源模块配置中荷电状态平衡技术的比较研究
2023 IEEE Conference on Power Electronics and Renewable Energy (CPERE) Pub Date : 2023-02-19 DOI: 10.1109/CPERE56564.2023.10119591
Abdulrahman Mostafa, M. Gaafar, O. Abdel-Rahim, M. Orabi
{"title":"Comparative Study of the State of Charge (SoC) Balancing Techniques for Battery Power Module Configurations","authors":"Abdulrahman Mostafa, M. Gaafar, O. Abdel-Rahim, M. Orabi","doi":"10.1109/CPERE56564.2023.10119591","DOIUrl":"https://doi.org/10.1109/CPERE56564.2023.10119591","url":null,"abstract":"The concept of the battery power module (BPM) has recently gained increased interest where the battery cells are decoupled from each other by connecting each cell with a lowpower DC-DC power converter. Accordingly, the output of BPMs can be connected in series and parallel to meet the required load voltage and power. In such systems, State-of-Charge (SoC) equalization is achieved by changing the rate of charge/discharge of each cell by controlling the duty cycle of the corresponding converter in BPM. Different types of DC-DC converters and control algorithms have been adopted in BPM architecture. The SoC estimation is generally acknowledged as one of the most important functions in the battery management system for lithium-ion batteries. Therefore, this paper comprehensively reviews the different control techniques presented in the literature to deal with BPM. The comparison includes the required number of sensors, the number of controlled variables, and its capability to achieve SoC balancing during both charging and discharging.","PeriodicalId":169048,"journal":{"name":"2023 IEEE Conference on Power Electronics and Renewable Energy (CPERE)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128730177","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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