Enhanced Control Strategy for MMC-based STATCOM for Unbalanced Load Compensation

被引：0
|
作者：
Nieves, M. [1 ]
Maza, J. M. [1 ]
Mauricio, J. M. [1 ]
Teodorescu, R. [2 ]
Bongiorno, M. [3 ]
Rodriguez, P. [4 ]
机构：
[1] Univ Seville, Seville, Spain
[2] Aalborg Univ, Aalborg, Denmark
[3] Chalmers Univ, Gothenburg, Sweden
[4] UPC, Barcelona, Spain
来源：
2014 16TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS (EPE'14-ECCE EUROPE) | 2014年
关键词：
Multilevel converters; Static Synchronous Compensator (STATCOM); HVDC; Converter control; FACTS;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Modular Multilevel Converters (MMC) technology is today one of the preferred technology in HVDC and large STATCOM applications due to modularity, fault tolerance and high efficiency, but the voltage balancing becomes very challenging, especially during negative sequence current injection as required for load unbalance compensation. This paper proposes an improved balancing strategy for the delta configuration to overcome this situation based on the injection of a third harmonic zero sequence current. Simulation results have proved the effectiveness of the proposal even where different switching losses and capacitor tolerance are taken in consideration.
引用
收藏
页数：10
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