DC bus voltage control of a Free-Piston Linear Generator

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外文摘要：This paper presents a DC-bus voltage regulation strategy to rectify the fluctuated AC voltage into stable DC-bus voltage for the Free-Piston Linear Generator (FPLG) in stable operation state. Considering that the frequency and amplitude of the AC voltage change rapidly with the nonsinusoidal piston velocity, a three-phase PWM rectifier topology together with its controller are presented to stabilize the DC-bus voltage. The simulation is conducted with the overall coupled dynamic system in which the models of the internal combustion engine thermodynamics, linear electric machine and mechanical spring are all included. The simulation results show that the proposed method can stabilize the dc bus voltage around 400V and ensure stable operation of the FPLG.

外文关键词：

free piston linear generatorlinear electric machinesystem modelingvoltage control

作者：

Lianlian Mao、Chi Zhang、Yanxia Gao、Peng Sun、Jinhua Chen、Fei Zhao

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作者单位：

Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, China

会议名称：

International Conference on Ecological Vehicles and Renewable Energies

会议地点：

Monte Carlo(MC)

会议母体文献：

2016 Eleventh International Conference on Ecological Vehicles and Renewable Energies

页码：

1-7

出版时间：

2016

DOI：

10.1109/EVER.2016.7476378