Efficient Prototyping of a Field-Programmable Gate Array-Based Real-Time Model of a Modular Multilevel Converter

Wenming Gong, Chaofan Liu (), Mingdong Wang and Xiaobing Zhao
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Wenming Gong: The Key Laboratory of HVDC, Electric Power Research Institute China Southern Grid, Guangzhou 510663, China
Chaofan Liu: Department of Electrical Engineering, Zhengzhou University, Zhengzhou 450001, China
Mingdong Wang: Department of Electrical Engineering, Zhengzhou University, Zhengzhou 450001, China
Xiaobing Zhao: The Key Laboratory of HVDC, Electric Power Research Institute China Southern Grid, Guangzhou 510663, China

Energies, 2024, vol. 17, issue 3, 1-15

Abstract: Field-programmable gate array (FPGA)-based real-time simulation plays a crucial role in testing power–electronic dominated systems with the formation of controller hardware-in-the-loop (CHIL) or power hardware-in-the-loop (PHIL). This work describes an efficient implementation of computation time and resource usage in the FPGA-based study of a modular multilevel converter (MMC) with detailed electromagnetic transients. The proposed modeling technique can be used in continuous control mode (CCM) and discontinuous control mode (DCM) for high-switching frequency semiconductor technologies. An FPGA-based designed solver structure is also presented to take advantage of the parallel features of FPGAs to achieve an ultra-fast calculation speed. In addition, two different switch modeling techniques are discussed with a five-level MMC case study. Experimental results on the NI PXIe platform show the feasibility of the proposed implementation, and a time step of 100 nanoseconds is achieved.

Keywords: real-time simulation; FPGAs; electromagnetic model; modular multilevel converter modeling (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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