Abstract
This paper presents a hierarchical control and harmonic suppression strategy for a vehicular based microgrid system, which is utilized as an ac mobile power station supplying both pulse power loads (PPLs) and nonlinear loads (NLs). In order to reduce the impact of the PPLs on the microgrid, a hybrid storage system consisted of battery and super-capacitor was designed to be paralleled with the diesel generator through a dc bus. Hence, the stability of the dc-bus voltage can be enhanced. And the size of the generator turbine can thus be dramatically decreased. To reinforce the uninterrupted operation capability of the power station, the vehicular microgrid was hierarchically controlled in two levels, i.e., the system level and converter level. Moreover, an improved vector control was proposed to deal with the current harmonics introduced by the NLs. The effectiveness and feasibility of the proposed control were initially verified by simulation results.
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Acknowledgements
This work was supported in part by the National Natural Science Foundation of China (No. 51507190) and the China Postdoctoral Science Foundation (No. 2017T100831).
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Wei, S., Xu, H., Gao, Q., Ma, X. (2018). Hierarchical Control and Harmonic Suppression of a Vehicular Based Microgrid System. In: Jia, L., Qin, Y., Suo, J., Feng, J., Diao, L., An, M. (eds) Proceedings of the 3rd International Conference on Electrical and Information Technologies for Rail Transportation (EITRT) 2017. EITRT 2017. Lecture Notes in Electrical Engineering, vol 482. Springer, Singapore. https://doi.org/10.1007/978-981-10-7986-3_55
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DOI: https://doi.org/10.1007/978-981-10-7986-3_55
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