Battery charger for automotive applications

2016 10th International Conference on Intelligent Systems and Control (ISCO) Pub Date : 1900-01-01 DOI:10.1109/ISCO.2016.7726972

G. Kanimozhi, S. S. Kumar, K. Likhitha

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引用次数: 5

Abstract

Typical Battery charger mainly consists of two stages: AC to DC stage employing boost or interleaved boost converter where power factor correction is taken care by employing suitable control technique and boosting voltage level to an intermediate dc bus level. The second stage is DC/DC stage where the voltage is regulated according to the battery requirement and provides the galvanic isolation for onboard battery chargers. This paper discusses about battery charger consisting of interleaved ac/dc boost converter with average current mode control technique combined with an isolated DC/DC converter. The first stage involves in making the input power factor acceptable to the standards and regulating dc link bus voltage and the second stage provides galvanic isolation. In addition the dc-dc converter achieves ZVS turn-on, ZCS turn-off for the inverter switches and ZCS turn-on, ZCS turn-off for the rectifier diodes, thus improving the efficiency of the circuit. The prototype is simulated for 200 watts using PSIM 9.1. From the results, the overall efficiency of the battery charger obtained is around 94.7% with improved input power factor of 0.95.

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汽车电池充电器

典型的电池充电器主要由两个阶段组成:采用升压或交错升压转换器的交流到直流阶段，其中通过采用适当的控制技术和将电压水平升压到中间直流母线水平来进行功率因数校正。第二阶段是DC/DC阶段，根据电池要求调节电压，并为车载电池充电器提供电隔离。本文讨论了交错交直流升压变换器与平均电流模式控制技术相结合的隔离式dc /dc变换器电池充电器。第一阶段包括使输入功率因数符合标准并调节直流链路母线电压，第二阶段提供电流隔离。此外，dc-dc变换器实现了逆变开关的ZVS通、ZCS关断和整流二极管的ZCS通、ZCS关断，从而提高了电路的效率。使用PSIM 9.1对原型进行了200瓦的模拟。结果表明，该电池充电器的整体效率约为94.7%，输入功率因数改善为0.95。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2016 10th International Conference on Intelligent Systems and Control (ISCO)

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