Study of a new capacitive circuit for DC-voltage equalising of five-level neutral-point-clamped voltage-source inverter

R. Chibani; E.M. Berkouk; M.S. Boucherit

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Study of a new capacitive circuit for DC-voltage equalising of five-level neutral-point-clamped voltage-source inverter

机译：五电平中性点钳位电压源逆变器直流电压均衡的新型电容电路研究

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摘要

Voltage imbalance in the input DC voltage capacitors of multi-level Neutral-Point-Clamped Voltage-Source Inverter (NPC-VSI) is a well-known problem. The aim of this contribution is to suggest a solution to the instability of the DC capacitor voltages of the Five-Level NPC-VSI. The proposed configuration of the clamping bridge used requires eight switches and two capacitors to ensure the balancing of the DC-bus capacitors. This simple chopper is used in a two two-level PWM rectifier - five-level NPC VSI - permanent-magnet synchronous machine cascade. The strategy is validated through a simulation study.

机译：多电平中性点钳位电压源逆变器（NPC-VSI）的输入DC电压电容器中的电压不平衡是一个众所周知的问题。该贡献的目的是提出一种解决方案，以解决五电平NPC-VSI的直流电容器电压不稳定的问题。建议使用的钳位桥配置需要八个开关和两个电容器，以确保直流母线电容器的平衡。这个简单的斩波器用于两个两级PWM整流器-五级NPC VSI-永磁同步电机级联。该策略通过仿真研究得到验证。

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来源
《Electromotion》 |2012年第4期|129-143|共15页
作者
R. Chibani; E.M. Berkouk; M.S. Boucherit;
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作者单位

Control Process laboratory National Polytechnic School (ENP) of Algiers 10, Avenue Hassen Badi Elharrach BP 182 DZ- 16200 Algiers, Algeria;

Control Process laboratory National Polytechnic School (ENP) of Algiers 10, Avenue Hassen Badi Elharrach BP 182 DZ- 16200 Algiers, Algeria;

Control Process laboratory National Polytechnic School (ENP) of Algiers 10, Avenue Hassen Badi Elharrach BP 182 DZ- 16200 Algiers, Algeria;

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正文语种 eng
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关键词
five-level inverter; neutral-point-clamped voltage-source inverter; sliding mode; DC capacitor voltage unbalance; clamping bridge;

机译：五电平逆变器;中性点钳位电压源逆变器;滑动模式直流电容器电压不平衡;夹紧桥;

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1. Study of a new DC voltage equalising circuit for Five-Level Neutral Point Clamped-Voltage Source Inverter [J] . Journal of Electrical Systems . 2011,第7期

机译：五电平中性点钳位电压源逆变器的新型直流电压均衡电路的研究
2. DC-link voltage control of three-level neutral-point-clamped voltage-source inverter using inductive balancing electronic circuitry [J] . Rheda Chibani, El Madjid Berkouk, Mohamed S. Boucherit Electromotion . 2010,第4期

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3. A Comparative Study of Two Diagnostic Methods Based on the Switching Voltage Pattern for IGBT Open-Circuit Faults in Voltage-Source Inverters [J] . Wang Yuxi, Li Zhan, Xu Minghui, Journal of power electronics . 2016,第3期

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5. Common mode voltage mitigation strategies using PWM in neutral-point-clamped multilevel inverters. [D] . Somogyi, Chad Alexander. 2015

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7. A Fast-Processing Modulation Strategy for Three-Phase Four-Leg Neutral-Point-Clamped Inverter Based on the Circuit-Level Decoupling Concept [O] . Ghoreishy Hoda, Zhang Zhe, Thomsen Ole Cornelius, 2012

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Study of a new capacitive circuit for DC-voltage equalising of five-level neutral-point-clamped voltage-source inverter

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