用于工业照明应用的非隔离LED驱动器

2023 International Conference on Energy, Power, Environment, Control, and Computing (ICEPECC) Pub Date : 2023-03-08 DOI:10.1109/ICEPECC57281.2023.10209502

Maryam Zain, S. Iqbal, N. Siddique

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引用次数: 0

摘要

本研究提出一种用于工业照明应用的非隔离LED驱动器。它以降压升压型PFC电路和辅助的电容二极管分压器电路为基础。辅助电路的电容器通过升压电感串联充电，通过负载并联放电。因此，所提出的变换器具有高降压比、低额定电压母线电容和宽输出电压控制范围的特点。针对60W工业照明应用设计了该LED驱动器，并通过计算机仿真对其运行和性能进行了评估。文中介绍了所得结果。结果表明，该驱动器具有在宽占空比范围内的功率因数校正能力。此外，所提出的LED驱动器还具有将输入电压降压至所需电压输出水平的能力。

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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Non-Isolated LED Driver For Industrial Lighting Applications

This research paper proposes a non-isolated LED driver for industrial lighting applications. It based on buck-boost type PFC circuit and auxiliary capacitor-diode-based voltage divider circuit. The capacitors of the auxiliary circuit charge in series through the boost inductor and discharge in parallel through the load. Hence, the proposed convertor has features of high step-down ratio, low voltage-rated bus capacitors, and a wide range of output voltage control. The proposed LED driver was designed for a 60W industrial lighting application, and its operation and performance were evaluated through computer simulations. The obtained results are presented in the paper. The results reveal that the driver has the ability of power factor correction over a wide range of duty cycles. Moreover, the proposed LED driver also have ability to step down the input voltage up to desired voltage output level.

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2023 International Conference on Energy, Power, Environment, Control, and Computing (ICEPECC)

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