Full Text:   <670>

Summary:  <152>

CLC number: TM46

On-line Access: 2018-11-11

Received: 2016-05-29

Revision Accepted: 2016-12-04

Crosschecked: 2018-09-09

Cited: 0

Clicked: 1756

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Qun-wei Xu

https://orcid.org/0000-0002-4113-0990

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Frontiers of Information Technology & Electronic Engineering  2018 Vol.19 No.9 P.1166-1179

10.1631/FITEE.1601296


A multi-modular shunt active power filter system and its novel fault-tolerant strategy based on split-phase control and real-time bus communication


Author(s):  Qun-wei Xu, Jin-xiang Zhan, Long Xiao, Guo-zhu Chen

Affiliation(s):  College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   gzchen@zju.edu.cn

Key Words:  Shunt active power filter, Fault-tolerant topology, Split-phase control, Bus communication


Qun-wei Xu, Jin-xiang Zhan, Long Xiao, Guo-zhu Chen. A multi-modular shunt active power filter system and its novel fault-tolerant strategy based on split-phase control and real-time bus communication[J]. Frontiers of Information Technology & Electronic Engineering, 2018, 19(9): 1166-1179.

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journal="Frontiers of Information Technology & Electronic Engineering",
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publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.1601296"
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%A Qun-wei Xu
%A Jin-xiang Zhan
%A Long Xiao
%A Guo-zhu Chen
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T1 - A multi-modular shunt active power filter system and its novel fault-tolerant strategy based on split-phase control and real-time bus communication
A1 - Qun-wei Xu
A1 - Jin-xiang Zhan
A1 - Long Xiao
A1 - Guo-zhu Chen
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 19
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SP - 1166
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DOI - 10.1631/FITEE.1601296


Abstract: 
We first present a new multi-modular shunt active power filter system suitable for large-capacity compensation. Each module in the system has the same circuit topology, system functionality, and controller design, to achieve coordination control among the modules. The module’s reference signals are obtained by multiplying the total reference signal by the respective distribution coefficient. Next, a novel fault-tolerant approach is proposed based on split-phase control in the a-b-c frame and real-time bus communication. When a phase fault occurs, instead of halting the whole module, the proposed strategy isolates only the faulted bridge arm, and then recalculates the distribution coefficients and transfers the compensation capacity to the same phases of the other normal modules, resulting in a continuous operation of the faulted module and optimization of the remaining usable power devices. Through steady-state analysis of the post-fault circuit, the system stability and control reliability are proven to be high enough to guarantee its engineering application value. Finally, a prototype is established and experimental results show the validity and feasibility of the proposed multi-modular system and its fault-tolerant control strategy.

多模块并联有源电力滤波器系统及其基于分相控制和实时总线通讯的新型容错控制策略

摘要:首先,提出一种适用于大容量补偿的多模块并联有源电力滤波器系统。该系统中每个模块具备相同的电路拓扑、功能及控制器设计,有助于模块间协同控制的实现。模块指令信号由总指令信号与相应的分配系数相乘所得。其次,提出一种基于a-b-c坐标系下分相控制和实时总线通讯的新型容错控制策略。当某一相发生故障时,所提策略仅隔离故障桥臂而非停运整个模块,同时重新计算分配系数,将故障相的补偿容量转移到其他正常模块的相同相,使故障模块得以持续运行以及剩余可用功率器件优化利用。故障后电路的稳态分析证明系统具备高稳定性及控制可靠性,保证其工程应用价值。最后,搭建了实验样机,实验结果验证了所提多模块系统及其容错控制策略的可行性和有效性。

关键词:并联有源电力滤波器;容错拓扑;分相控制;总线通讯

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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