A Variable-DC-Offset Modulation Scheme for Improved Performance of a Differential-Mode Inverter

被引：2
作者：
Tank, Kartik [1 ]
Gupta, Shantanu [2 ]
Garg, Man Mohan [1 ,2 ]
Mazumder, Sudip K. [2 ]
Mohamadi, Moien [2 ]
机构：
[1] Malaviya Natl Inst Technol Jaipur, Dept Elect Engn, Jaipur 302017, Rajasthan, India
[2] Univ Illinois, Dep Elect & Comp Engn, Chicago, IL 60607 USA
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2023年 / 38卷 / 12期
关键词：
Differential mode; efficiency; harmonic distortion; inverter; modulation; switch stress; CONVERTER; DESIGN;
D O I：
10.1109/TPEL.2023.3319589
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this article, a novel continuous modulation scheme with variable-dc-offset (CMS-VDO) is proposed for a single-phase differential-mode inverter (DMI). The output voltage of the DMI is the difference in output voltages of two differentially connected dc-dc converters. CMS-VDO is so designed that the output voltage of the individual dc/dc converter is reduced without affecting the output voltage of theDMI. This reduced voltage yields reductions in circulating current, peak switch voltage, total harmonic distortion, and improved efficiency compared to conventional modulation scheme with fixed dc offset (CMS-FDO). The experimental results compare and validate the improved inverter performance using CMS-VDO over CMS-FDO.
引用
收藏
页码：15804 / 15814
页数：11
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