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A Novel Nine-Level Inverter Employing One Voltage Source and Reduced Components as High-Frequency AC Power Source
Liu, Junfeng1; Wu, Jialei2; Zeng, Jun2; Guo, Huafang3
2017-04-01
发表期刊IEEE TRANSACTIONS ON POWER ELECTRONICS
卷号32期号:4页码:2939-2947
摘要Increasing demands for power supplies have contributed to the population of high-frequency ac (HFAC) power distribution system (PDS), and in order to increase the power capacity, multilevel inverters (MLIs) frequently serving as the high-frequency (HF) source-stage have obtained a prominent development. Existing MLIs commonly use more than one voltage source or a great number of power devices to enlarge the level numbers, and HF modulation (HFM) methods are usually adopted to decrease the total harmonic distortion (THD). All of these have increased the complexity and decreased the efficiency for the conversion from dc to HF ac. In this paper, a nine-level inverter employing only one input source and fewer components is proposed for HFAC PDS. It makes full use of the conversion of series and parallel connections of one voltage source and two capacitors to realize nine output levels, thus lower THD can be obtained without HFM methods. The voltage stress on power devices is relatively relieved, which has broadened its range of applications as well. Moreover, the proposed nine-level inverter is equipped with the inherent self-voltage balancing ability, thus the modulation algorithm gets simplified. The circuit structure, modulation method, capacitor calculation, loss analysis, and performance comparisons are presented in this paper, and all the superior performances of the proposed nine-level inverter are verified by simulation and experimental prototypes with rated output power of 200 W. The accordance of theoretical analysis, simulation, and experimental results confirms the feasibility of proposed nine-level inverter.
文章类型Article
关键词Nine-level Inverter One Voltage Source Self-voltage Balancing Two Capacitors
WOS标题词Science & Technology ; Technology
资助者National Natural Science Foundation of China(61573155) ; Guangdong Natural Science Foundation(2016A03031358) ; Guangdong Science and Technology Planning Project(2016A010102007) ; Science and Technology Program of Guangzhou(201607010209) ; National Natural Science Foundation of China(61573155) ; Guangdong Natural Science Foundation(2016A03031358) ; Guangdong Science and Technology Planning Project(2016A010102007) ; Science and Technology Program of Guangzhou(201607010209)
DOI10.1109/TPEL.2016.2582206
研究领域[WOS]Engineering
关键词[WOS]CASCADED MULTILEVEL INVERTER ; GRID-CONNECTED CONVERTER ; SWITCHED-CAPACITOR ; DISTRIBUTION-SYSTEM ; NUMBER ; TOPOLOGY ; PWM ; MODULATION
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(61573155) ; Guangdong Natural Science Foundation(2016A03031358) ; Guangdong Science and Technology Planning Project(2016A010102007) ; Science and Technology Program of Guangzhou(201607010209) ; National Natural Science Foundation of China(61573155) ; Guangdong Natural Science Foundation(2016A03031358) ; Guangdong Science and Technology Planning Project(2016A010102007) ; Science and Technology Program of Guangzhou(201607010209)
WOS类目Engineering, Electrical & Electronic
WOS记录号WOS:000395480400040
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/14043
专题中国科学院广州能源研究所
作者单位1.South China Univ Technol, Sch Automat Sci & Engn, Guangzhou 510640, Peoples R China
2.South China Univ Technol, New Energy Res Ctr, Guangzhou 510640, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
推荐引用方式
GB/T 7714
Liu, Junfeng,Wu, Jialei,Zeng, Jun,et al. A Novel Nine-Level Inverter Employing One Voltage Source and Reduced Components as High-Frequency AC Power Source[J]. IEEE TRANSACTIONS ON POWER ELECTRONICS,2017,32(4):2939-2947.
APA Liu, Junfeng,Wu, Jialei,Zeng, Jun,&Guo, Huafang.(2017).A Novel Nine-Level Inverter Employing One Voltage Source and Reduced Components as High-Frequency AC Power Source.IEEE TRANSACTIONS ON POWER ELECTRONICS,32(4),2939-2947.
MLA Liu, Junfeng,et al."A Novel Nine-Level Inverter Employing One Voltage Source and Reduced Components as High-Frequency AC Power Source".IEEE TRANSACTIONS ON POWER ELECTRONICS 32.4(2017):2939-2947.
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