{"title":"电压源逆变器的低基带谐波多频PWM","authors":"Keng-Yuan Chen, Jau-Nan Lin, Chyi-Sheng Huang","doi":"10.1109/ICASI55125.2022.9774444","DOIUrl":null,"url":null,"abstract":"A multi-frequency PWM (MFPWM) is proposed. Both current harmonics and the number of switching are reduced. Because of the development of the power switches, the switching frequency of VSI is increasing to improve the precision of the produced phase currents. This yields that the switching loss dominates the total loss of power stage. Therefore, reducing switching frequency without sacrificing baseband harmonics distortion is an important issue. The proposed MFPWM consists of two parts. The first one, called filter block operates at higher frequency to improve precision. The second one, called switching block, produces on-off commands for switches based on triangular frequency. Experimental results show that the proposed MFPWM can improve baseband harmonics distortion with reduced switching frequency.","PeriodicalId":190229,"journal":{"name":"2022 8th International Conference on Applied System Innovation (ICASI)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Low Baseband Harmonics Multi-Frequency PWM for Voltage Source Inverters\",\"authors\":\"Keng-Yuan Chen, Jau-Nan Lin, Chyi-Sheng Huang\",\"doi\":\"10.1109/ICASI55125.2022.9774444\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A multi-frequency PWM (MFPWM) is proposed. Both current harmonics and the number of switching are reduced. Because of the development of the power switches, the switching frequency of VSI is increasing to improve the precision of the produced phase currents. This yields that the switching loss dominates the total loss of power stage. Therefore, reducing switching frequency without sacrificing baseband harmonics distortion is an important issue. The proposed MFPWM consists of two parts. The first one, called filter block operates at higher frequency to improve precision. The second one, called switching block, produces on-off commands for switches based on triangular frequency. Experimental results show that the proposed MFPWM can improve baseband harmonics distortion with reduced switching frequency.\",\"PeriodicalId\":190229,\"journal\":{\"name\":\"2022 8th International Conference on Applied System Innovation (ICASI)\",\"volume\":\"22 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-04-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2022 8th International Conference on Applied System Innovation (ICASI)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICASI55125.2022.9774444\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 8th International Conference on Applied System Innovation (ICASI)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICASI55125.2022.9774444","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Low Baseband Harmonics Multi-Frequency PWM for Voltage Source Inverters
A multi-frequency PWM (MFPWM) is proposed. Both current harmonics and the number of switching are reduced. Because of the development of the power switches, the switching frequency of VSI is increasing to improve the precision of the produced phase currents. This yields that the switching loss dominates the total loss of power stage. Therefore, reducing switching frequency without sacrificing baseband harmonics distortion is an important issue. The proposed MFPWM consists of two parts. The first one, called filter block operates at higher frequency to improve precision. The second one, called switching block, produces on-off commands for switches based on triangular frequency. Experimental results show that the proposed MFPWM can improve baseband harmonics distortion with reduced switching frequency.
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