Abstract
This paper first analyzed the alternating current AC/DC power decoupling working mechanism of photovoltaic (PV) grid connection and active power filter all-in-one machine, then put forward Boost-Buck parallel current compensation circuit and analyzed its working principle. Simultaneously, the thin-film capacitor C dc in DC side was calculated, and finally the simulation model of current compensation device based on the Boost-Buck was established. The simulation results show that the thin-film capacitor with a small capacity (100–200 μF) can reduce the voltage fluctuation and stabilize MPPT working point as well as solve the dilemma that the life of grid-connected system is limited by power decoupling electrolytic capacitor, which provides a reliable hardware foundation for realizing the PV grid-connected and active power filter all-in-one machine.
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Liao, Tf., Cai, Zq., Xue, Jx., Zhang, Hw. (2016). Simulation on the Boost-Buck Current Compensation Device of PV Grid Connection and Active Power Filter All-in-One Machine. In: Huang, B., Yao, Y. (eds) Proceedings of the 5th International Conference on Electrical Engineering and Automatic Control. Lecture Notes in Electrical Engineering, vol 367. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-48768-6_30
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DOI: https://doi.org/10.1007/978-3-662-48768-6_30
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-48766-2
Online ISBN: 978-3-662-48768-6
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