Power Routing for Cascaded H-Bridge Converters

被引：89
|
作者：
Ko, Youngjong [1 ]
Andresen, Markus [1 ]
Buticchi, Giampaolo [1 ]
Liserre, Marco [1 ]
机构：
[1] Christian Albrechts Univ Kiel, Chair Power Elect, D-24118 Kiel, Germany
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2017年 / 32卷 / 12期
基金：
欧洲研究理事会;
关键词：
Active thermal control; cascaded H-bridge (CHB); multilevel converter; power routing; reliability; ACTIVE-THERMAL-CONTROL; ELECTRONIC CONVERTERS; RELIABILITY; STRATEGY; FAILURE;
D O I：
10.1109/TPEL.2017.2658182
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：
Modular power converters are expected to play a major role in medium-and high-voltage/power applications. Normally, each module processes the same amount of power; however, this does not take into consideration that different modules can have a different remaining useful lifetime. This paper proposes the concept of power routing for cascaded H-bridge (CHB) converters, with the purpose of delaying the failure of the system. A third-harmonic injection into the duty cycles allows extending the imbalance capability of the structure, keeping the CHB operational even if some power paths are completely unloaded. Analytic investigation in conjunction with simulation and experimental measurements demonstrate the power routing by means of the proposed method.
引用
收藏
页码：9435 / 9446
页数：12
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