Design, Construction and Evaluation of 5A AC-DC Portable Lead Acid Battery Charger with an Inbuilt Automatic Shut OFF

International Journal of Science for Global Sustainability Pub Date : 2020-07-27 DOI:10.57233/ijsgs.v6i2.116

Y. Yahaya, H. Nawawi, Yahya

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引用次数: 1

Abstract

Battery charger is a system that restores battery after being discharged. It is well known that battery can be destroyed for being discharged below its manufacturers specified discharge voltage limit, when left for some hours. A single switch fly back buck converter that enables battery charging from the alternating current (AC) supply is designed, and constructed. To prevent the battery from overcharging an automatic charge controller was added to the design. Size of the charger was minimised by designing it to operate at higher frequency. It has an input potential difference (PD) from 80 to 250 volt. The circuit components and other design materials were chosen based on their simplicity and availability in most of the electronics shops. Red light emitting diode (LED) is ON when the charger is connected to the mains supply while the green LED is ON when charging is cut OFF or completed. The design was first conducted on MULTISIM software to ascertain the working conditions of the circuits before the construction procedure. Performance analysis was carried out and found working appropriately.

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5A型内置自动关断式交直流便携式铅酸蓄电池充电器的设计、制造与评价

电池充电器是在放电后恢复电池的系统。众所周知，电池在放电低于其制造商规定的放电电压限制时，放置几个小时可能会损坏。设计并制造了一种单开关飞回buck变换器，使电池能够从交流电(AC)电源中充电。为了防止电池过度充电，在设计中加入了自动充电控制器。充电器的尺寸被设计成在更高的频率下运行，从而最小化。它有一个输入电位差(PD)从80到250伏。电路元件和其他设计材料的选择是基于它们的简单性和大多数电子商店的可用性。当充电器连接到电源时，红色发光二极管(LED)是亮的，当充电切断或充电完成时，绿色发光二极管(LED)是亮的。在施工之前，首先在MULTISIM软件上进行设计，以确定电路的工作条件。进行了性能分析，发现工作正常。

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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