Comparison of Capacitor Voltage Balancing Methods for 1GW MMC-HVDC Based on Real-Time Digital Simulator and Physical Control Systems

被引:2
|
作者
Lee, Jun-Min [1 ,2 ,3 ]
Park, Jung-Woo [2 ,3 ]
Kang, Dae-Wook [2 ,3 ]
Lee, Jong-Pil [2 ,3 ]
Yoo, Dong-Wook [2 ,3 ]
Lee, Jang-Myung [1 ]
机构
[1] Pusan Natl Univ, Dept Elect Engn, Pusan, South Korea
[2] Korea Electrotechnol Res Inst, Dept Power Convers, Chang Won, South Korea
[3] Korea Electrotechnol Res Inst, Control Res Ctr, Chang Won, South Korea
关键词
FPGA; Hardware-in-the-loop simulation; HVDC; Modular-multilevel converter; Real time digital simulator; MULTILEVEL; FREQUENCY;
D O I
10.6113/JPE.2019.19.5.1171
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 Multilevel Converter (MMC)-based HVDC power transmission using a real-time simulator is one of the key technologies in power electronics research. This paper introduces the design methodology of a physical MMC-HVDC control system based on a Field-Programmable Gate Array (FPGA), which has the advantage of high-speed parallel operation, and validates the accuracy of MMC-HVDC control when operated with a Real-Time Digital Simulator (RTDS). Finally, this paper compares and analyzes the characteristics of capacitor voltage balancing methods such as Nearest Level Control (NLC), NLC with a reduced switching frequency, and tolerance band modulation implemented on physical control system.
引用
收藏
页码:1171 / 1181
页数:11
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