Sensitivity analysis of a bidirectional wireless charger for EV

A. T. Cabrera, J. A. Sanchez, M. Longo, F. Foiadelli
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引用次数: 11

Abstract

Bidirectional chargers are required to fully integrate Electric Vehicle (EV) into the smart grids. Additionally, wireless chargers ease the charge/discharge process of the EV batteries so that they are becoming more popular to fulfill a V2G scenario. When considering the load of wireless chargers, it is a requirement to know the real output power that these systems offer. The designed output power may differ from the real one as components suffer from tolerance. This paper defines six sensitivity factors to model the severity of the effects of tolerance into the output power. To do so, an electric circuit analysis is used and a mathematical formulation is derived. The six sensitivity factors are computed for a laboratory prototype.
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电动汽车双向无线充电器的灵敏度分析
为了使电动汽车完全融入智能电网,需要双向充电器。此外,无线充电器简化了电动汽车电池的充电/放电过程,因此它们在满足V2G场景中越来越受欢迎。在考虑无线充电器的负载时,需要知道这些系统提供的实际输出功率。由于元器件存在容差,设计输出功率可能与实际输出功率存在差异。本文定义了六个灵敏度因子来模拟公差对输出功率影响的严重程度。为此,使用电路分析并推导出数学公式。计算了实验室样机的六个灵敏度因子。
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