Precise Inductor Current Ripple Distribution of Three-Level Active Neutral-Point-Clamped Inverter

被引：0
|
作者：
Pan, Donghua [1 ]
Chen, Mengxing [1 ]
Wang, Xiongfei [1 ]
Wang, Huai [1 ]
Blaabjerg, Frede [1 ]
Wang, Wei [2 ]
机构：
[1] Aalborg Univ, Dept Energy Technol, Aalborg, Denmark
[2] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin, Peoples R China
来源：
2019 10TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND ECCE ASIA (ICPE 2019 - ECCE ASIA) | 2019年
关键词：
3L-ANPC inverter; inductor current ripple; modulation index; output filter; GRID-CONNECTED INVERTER; PWM; ROBUSTNESS; DESIGN; FILTER;
D O I：
暂无
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 power electronic converters, the inductor current ripple affects the system power loss and should be minimized. This paper studies in detail the output filter inductor current ripple distribution of a three-level active neutral-point-clamped (3L-ANPC) inverter. The peak-to-peak current ripple per line cycle is precisely derived according to the modulation index. Then, the maximum current ripple is identified, and the concept of average current ripple is proposed to quantify the overall ripple level. An optimal operating point with minimum ripple level is found, and it is chosen as the nominal operation condition of the 3L-ANPC inverter. Simulations are performed in a case study to confirm the theoretical expectations.
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页数：8
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