Hybrid Modular Multilevel Rectifier: A New High-Efficient High-Performance Rectifier Topology for HVDC Power Delivery

被引：14
作者：
Liu, Jian [1 ]
Dong, Dong [1 ]
Zhang, Di [2 ]
机构：
[1] Virginia Tech, Blacksburg, VA 24061 USA
[2] Naval Postgrad Sch, Monterey, CA 93943 USA
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2021年 / 36卷 / 08期
基金：
美国国家科学基金会;
关键词：
Hidden Markov models; Reactive power; HVDC transmission; Topology; Resource management; Rectifiers; Capacitors; High power density; hybrid modular multilevel rectifier (HMMR); MV; HV dc system;
D O I：
10.1109/TPEL.2021.3051959
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：
This letter presents a novel three-phase rectifier topology, namely hybrid modular multilevel rectifier (HMMR) for medium or high voltage ac-dc power conversion applications. Compared with modular multilevel converter (MMC), up to 50% of the IGBTs and submodules (SMs) including capacitors can be replaced by simple high-efficient high-voltage line-frequency diode stacks. HMMR can keep the key benefits of MMC, such as modularity, reliability, and excellent harmonic performance, while significantly reducing the power losses, costs, and volume. Unlike the thyristor-based line-commutated converter (LCC) rectifier, HMMR can operate under different grid conditions and can even provide reactive power support, making it a strong candidate of rectifier unit for point-to-point MV and HV power delivery. The feasibility of proposed converter is verified by the simulation as well as experimental results.
引用
收藏
页码：8583 / 8587
页数：5
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