Super Capacitor Energy Storage Based MMC for Energy Harvesting in Mine Hoist Application

Xiaofeng Yang, Piao Wen, Yao Xue, Trillion Q. Zheng and Youyun Wang
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Xiaofeng Yang: School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China
Piao Wen: School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China
Yao Xue: School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China
Trillion Q. Zheng: School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China
Youyun Wang: Tianshui Electric Drive Research Institute Co. LTD, Tianshui 741020, China

Energies, 2017, vol. 10, issue 9, 1-11

Abstract: This paper proposes a super capacitor energy storage-based modular multilevel converter (SCES-MMC) for mine hoist application. Different from the conventional MMCs, the sub-modules employ distributed super capacitor banks, which are designed to absorb the regenerative energy of mine hoist and released in the traction condition, so as to improve energy utilization efficiency. The key control technologies are introduced in detail, followed by analysis of the configuration and operation principles. The feasibility of the proposed SCES-MMC topology and the control theory are also verified. Simulation results show that SCES-MMC can adapt to the variable frequency speed regulation of the motor drive, which shows good application prospects in the future for medium- and high-voltage mine hoist systems.

Keywords: super capacitor energy storage (SCES); modular multilevel converter (MMC); mine hoist; state of charge; regenerative energy; energy harvesting (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: 2017
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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