Model predictive control of input-series output-parallel dual active bridge converters based DC transformer

被引：23
|
作者：
Zhang, Hang [1 ,2 ]
Li, Yaohua [1 ,2 ]
Li, Zixin [1 ,2 ]
Zhao, Cong [1 ]
Gao, Fanqiang [1 ,2 ]
Hu, Yujie [1 ,2 ]
Luo, Long [1 ,2 ]
Luan, Kedong [1 ,2 ]
Wang, Ping [1 ]
机构：
[1] Chinese Acad Sci, Inst Elect Engn, Key Lab Power Elect & Elect Drive, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
IET POWER ELECTRONICS | 2020年 / 13卷 / 06期
关键词：
bridge circuits; DC-DC power convertors; predictive control; power transformers; power convertors; voltage control; closed loop systems; traditional voltage closed-loop control scheme; SPS; MPC scheme; downscale DAB-DCT laboratory prototype; core controller; proposed MPC strategy; input-series output-parallel dual active bridge converters; DC transformer; high-ratio voltage conversion; medium-voltage dc distribution; low-voltage dc distribution; model predictive control strategy; dynamic performance; proper power distribution; bidirectional power; PERFORMANCE;
D O I：
10.1049/iet-pel.2019.1061
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：
DC transformer (DCT) which is composed of dual active bridge (DAB) converters, is capable of fulfiling high-ratio voltage conversion between the medium-voltage dc distribution and low-voltage dc distribution. A model predictive control (MPC) strategy was proposed for the DAB-DCT to improve dynamic performance and achieve a proper power distribution, considering the bidirectional power of DCT. The traditional voltage closed-loop control scheme with the single-phase shift (SPS) and the MPC scheme with SPS are compared on a downscale DAB-DCT laboratory prototype, using PowerPC P2020 + FPGA_6SL X45 as the core controller. The excellent dynamic characteristics of DCT with proposed MPC strategy is verified by extensive experimental results.
引用
收藏
页码：1144 / 1152
页数：9
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