{"title":"一种在直流纹波电压下工作的新型δ - σ调制DC-DC功率变换器","authors":"A. Hirota, S. Nagai, M. Nakaoka","doi":"10.1109/IECON.1999.822193","DOIUrl":null,"url":null,"abstract":"A delta-sigma modulator is effectively utilized as a PWM pattern generator for high-frequency switching mode inverters. However, in the case that it is applied for voltage source chopper type DC-DC converters, it is noted that the significant features cannot be achieved and implemented. The authors propose a novel delta-sigma modulation circuit which alters a quantized feedback signal to a continuous signal of a DC-DC converter output. If the ripple voltage of the input side DC source exists in practice, a fluctuation in the feedback signal is produced. As a result, the proposed delta-sigma modulator has the inherent nature of spread spectrum. Furthermore, the delta-sigma modulated converter circuit can be considered as an error amplifier, and automatic amplitude control characteristics will be implemented in this converter.","PeriodicalId":378710,"journal":{"name":"IECON'99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.99CH37029)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1999-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"10","resultStr":"{\"title\":\"A novel delta-sigma modulated DC-DC power converter operating under DC ripple voltage\",\"authors\":\"A. Hirota, S. Nagai, M. Nakaoka\",\"doi\":\"10.1109/IECON.1999.822193\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A delta-sigma modulator is effectively utilized as a PWM pattern generator for high-frequency switching mode inverters. However, in the case that it is applied for voltage source chopper type DC-DC converters, it is noted that the significant features cannot be achieved and implemented. The authors propose a novel delta-sigma modulation circuit which alters a quantized feedback signal to a continuous signal of a DC-DC converter output. If the ripple voltage of the input side DC source exists in practice, a fluctuation in the feedback signal is produced. As a result, the proposed delta-sigma modulator has the inherent nature of spread spectrum. Furthermore, the delta-sigma modulated converter circuit can be considered as an error amplifier, and automatic amplitude control characteristics will be implemented in this converter.\",\"PeriodicalId\":378710,\"journal\":{\"name\":\"IECON'99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.99CH37029)\",\"volume\":\"81 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1999-11-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"10\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IECON'99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.99CH37029)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IECON.1999.822193\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IECON'99. Conference Proceedings. 25th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.99CH37029)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IECON.1999.822193","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A novel delta-sigma modulated DC-DC power converter operating under DC ripple voltage
A delta-sigma modulator is effectively utilized as a PWM pattern generator for high-frequency switching mode inverters. However, in the case that it is applied for voltage source chopper type DC-DC converters, it is noted that the significant features cannot be achieved and implemented. The authors propose a novel delta-sigma modulation circuit which alters a quantized feedback signal to a continuous signal of a DC-DC converter output. If the ripple voltage of the input side DC source exists in practice, a fluctuation in the feedback signal is produced. As a result, the proposed delta-sigma modulator has the inherent nature of spread spectrum. Furthermore, the delta-sigma modulated converter circuit can be considered as an error amplifier, and automatic amplitude control characteristics will be implemented in this converter.
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