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http://dx.doi.org/10.6113/JPE.2016.16.5.1698

A Hardware-in-the-loop Platform for Modular Multilevel Converter Simulations  

Liu, Chongru (State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University)
Tian, Pengfei (China Electric Power Research Institute)
Wang, Yu (State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University)
Guo, Qi (China Southern Power Grid)
Lin, Xuehua (China Southern Power Grid)
Wang, Jiayu (State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University)
Publication Information
Journal of Power Electronics / v.16, no.5, 2016 , pp. 1698-1705 More about this Journal
Abstract
In this paper, a hardware-in-the-loop simulation platform for MMCs is established, which connects a real time digital simulator (RTDS) and a designed MMC controller with optical fiber. In this platform, the converter valves are simulated with a small time step of 2.5 microsecond in the RTDS, and multicore technology is implemented for the controller so that the parallel valve control is distributed between different cores. Therefore, the designed controller can satisfy the requirements of real-time control. The functions of the designed platform and the rationality for the designed controller are verified through experimental tests. The results show that different modulation modes and various control strategies can be implemented in the simulation platform and that each control objective can been tracked accurately and with a fast dynamic response.
Keywords
Hardware-in-the-loop simulation; MMC controller; Modular multilevel converter; Multicore technology;
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