用于能量收集物联网节点的PWM和MPPT功率转换器的设计与分析

2019 International Conference on Power Electronics, Control and Automation (ICPECA) Pub Date : 2019-11-01 DOI:10.1109/ICPECA47973.2019.8975396

Himanshu Sharma, A. Haque, Z. Jaffery

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引用次数: 2

摘要

本文主要研究低功耗(< 1w)能量采集无线传感器网络(WSN)节点的高效电路和系统设计。我们研究了太阳能电池充电系统的各种拓扑结构。我们在MATLAB/Simulink中为物联网节点设计了3.6伏电池充电电路。我们观察到，使用脉宽调制(PWM)控制技术，电池仅在500秒的模拟时间内充电至30%。另一方面，使用扰动与观测(P&O)最大功率点跟踪(MPPT)技术，电池仅在200秒的模拟时间内充电至95%。因此，正如我们的仿真结果所示，与PWM技术相比，P&O MPPT在物联网节点的电池充电方面效率更高

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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Design & Analysis of PWM & MPPT Power Converters for Energy Harvesting IoT Nodes

This paper focus on the design of efficient circuit and systems for low power (< 1 W) energy harvesting wireless sensor network (WSN) nodes. We investigated various topologies of solar battery charging systems. We designed a 3.6 volts battery charging circuit in MATLAB/Simulink for IoT nodes. We observed that using pulse width modulation (PWM) control techniques the battery charges up to 30% only for 500 seconds of simulation time. On another hand, using Perturb & Observation (P&O) maximum power point tracking (MPPT) techniques the battery charges up to 95 % within 200 seconds of simulation time only. Thus, as shown by our simulation results the P&O MPPT is more efficient as compared to PWM technique for battery charging of IoT nodes.s

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2019 International Conference on Power Electronics, Control and Automation (ICPECA)

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