HVDC Transmission Technology of Wind Power System with Multi-Phase PMSG

Shijia Zhou, Fei Rong, Zhangtao Yin, Shoudao Huang and Yuebin Zhou
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Shijia Zhou: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Fei Rong: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Zhangtao Yin: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Shoudao Huang: College of Electrical and Information Engineering, Hunan University, Changsha 410082, China
Yuebin Zhou: State Key Laboratory of HVDC, Electric Power Research Institute, China Southern Power Grid, Guangzhou 510663, China

Energies, 2018, vol. 11, issue 12, 1-16

Abstract: The high voltage DC (HVDC) transmission technology of wind power system, with multi-phase permanent magnetic synchronous generator (PMSG) is proposed in this paper. Each set of three-phase winding of the multi-phase PMSG was connected to a diode rectifier. The output of the diode rectifier was connected by several parallel isolated DC–DC converters. Each DC–DC converter was connected to a sub-module (SM). All SMs and two inductors were connected in a series. The proposed wind power system has several advantages including, transformerless operation, low cost, low voltage stress, and high fault tolerance. The maximum power point tracking (MPPT) and energy balance of the DC–DC converters were achieved by controlling the duty cycles of the DC–DC converters. The HVDC transmission was achieved by the nearest level control (NLC) with voltage sorting. The simulation model with 18-phase PMSG was established. Experimental results were also studied based on RT-Lab.

Keywords: multi-phase PMSG; wind power generation system; HVDC transmission; MPPT (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: 2018
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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