{"title":"基于DSP的高频SPWM发生器的设计与实现","authors":"Jian Liu, W. Yao, Zheng-yu Lu, Xiaoyi Xu","doi":"10.1109/IPEMC.2016.7512353","DOIUrl":null,"url":null,"abstract":"Nowadays power electronic DC/AC inverters are widely used in energy conversion and motor control application. Higher-frequency SPWM (Sinusoidal Pulse Width Modulation) waves can decrease the size of passive component in the inverter, achieving a low volume and a lightweight as needed. This paper presents a DSP based SPWM generator, which can operate at switching frequencies up to 1 MHz, thus it can meet the high switching frequency demands of modern DC/AC inverters. The proposed design is based on the HRPWM (High Resolution Pulse Width Modulation) block which is available in the TI DSP, and it is verified using the TMS320F28335 controller and a DC/AC power inverter prototype. The experimental results confirm that this SPWM generator achieves much faster switching frequency, less harmonic interference, and higher resolution of SPWM waveforms, showing a better performance compared to past design.","PeriodicalId":6857,"journal":{"name":"2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia)","volume":"71 1","pages":"597-602"},"PeriodicalIF":0.0000,"publicationDate":"2016-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"Design and implementation of DSP based high-frequency SPWM generator\",\"authors\":\"Jian Liu, W. Yao, Zheng-yu Lu, Xiaoyi Xu\",\"doi\":\"10.1109/IPEMC.2016.7512353\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Nowadays power electronic DC/AC inverters are widely used in energy conversion and motor control application. Higher-frequency SPWM (Sinusoidal Pulse Width Modulation) waves can decrease the size of passive component in the inverter, achieving a low volume and a lightweight as needed. This paper presents a DSP based SPWM generator, which can operate at switching frequencies up to 1 MHz, thus it can meet the high switching frequency demands of modern DC/AC inverters. The proposed design is based on the HRPWM (High Resolution Pulse Width Modulation) block which is available in the TI DSP, and it is verified using the TMS320F28335 controller and a DC/AC power inverter prototype. The experimental results confirm that this SPWM generator achieves much faster switching frequency, less harmonic interference, and higher resolution of SPWM waveforms, showing a better performance compared to past design.\",\"PeriodicalId\":6857,\"journal\":{\"name\":\"2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia)\",\"volume\":\"71 1\",\"pages\":\"597-602\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2016-05-22\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IPEMC.2016.7512353\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IPEMC.2016.7512353","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Design and implementation of DSP based high-frequency SPWM generator
Nowadays power electronic DC/AC inverters are widely used in energy conversion and motor control application. Higher-frequency SPWM (Sinusoidal Pulse Width Modulation) waves can decrease the size of passive component in the inverter, achieving a low volume and a lightweight as needed. This paper presents a DSP based SPWM generator, which can operate at switching frequencies up to 1 MHz, thus it can meet the high switching frequency demands of modern DC/AC inverters. The proposed design is based on the HRPWM (High Resolution Pulse Width Modulation) block which is available in the TI DSP, and it is verified using the TMS320F28335 controller and a DC/AC power inverter prototype. The experimental results confirm that this SPWM generator achieves much faster switching frequency, less harmonic interference, and higher resolution of SPWM waveforms, showing a better performance compared to past design.
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