Design of Common and Differential Mode Filters for Single-Phase Full-Bridge Photovoltaic Inverters
作者： Charles Andre Haab , Leandro Michels , Cassiano Rech , Lucas Vizzotto Bellinaso
DOI: 10.1109/ISGT-LA.2019.8895398
关键词:
摘要: Photovoltaic arrays have high parasitic capacitance between positive/negative poles and earth. Therefore, conventional single-phase full bridge inverters with unipolar modulation are not suitable for applications in photovoltaic because they leakage currents higher than the limits acceptable by standards. Additionally, common mode tend to result electromagnetic noise of significant magnitude. This paper proposes an integrated methodology differential filter design single phase full-bridge topology a LCL filter. The is designed meet constraints harmonic current distortion, while suit ripple quality factor constraints. Simulation results show that proposed simple effective.
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