solar charger



Portable solar charger with controlled charging current for mobile phone devices
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In this paper, we design, construct as well as test and analyze an electronic circuit that can be used as a solar portable charger for mobile phone devices using the solar energy as a source of electric power. A suitable small size solar cell panel is selected that is easy to carry

MPPT-based Solar powered Lead Acid Charger for Telemetry Unit
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In order to reduce maintenance costs for battery powered telemetry systems used in field condition, a simple solar powered lead acid charger is implemented. This charger in combination with a switching power supply make a configurable module for usage in a

Maximum-power-point-tracking solar battery charger
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W. STEPHEN WOODWARD Venable Hall, CB3290, University of North Carolina, Chapel Hill, NC 27599-3290; e-mail: woodward@net.chem.unc.edu 1. This Maximum-Power-Point-Tracking charger , used in small solar power systems, overcomes the

Design of solar charger challenging various solar irradiance and temperature levels for energy storage
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This paper presents the design of a solar charger which charges a leadacid battery using three charging states: the 1st state is a constant-current charging state which uses a high current, the 2nd state is a constant-voltage charging state which charges the battery until the

A Low Cost Maximum Power Point Tracking Technique for the Solar Charger
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In this paper, a simplified maximum power point tracking technique for the solar charger is presented. Main advantages of the proposed charger include low cost and optimized charge time. The maximum power point tracking method is used to deliver the maximum power from

Design And Construction Of Microcontroller Based Solar Battery Charger
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This research paper describes a microcontroller based battery charger by using solar energy. Solar -powered charging systems are already available in rural as well as urban areas. Solar energy is widely used around the worldwide. This system converts solar energy

Coin based solar mobile charger
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We all know this era is mobile phone era. Almost 70-80 percent people having mobile phone. Communication is more important in all fields. Todays smart phone having much more facilities, due to that facilities mobile phone required more charging. Sometimes our

Optimized reconfigurable solar pv battery charger using relay switch matrix
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PV array reconfigurable battery charger has been reported in literature. It had three components: a four module PV array, switch matrix and batteries for charging. The switch matrix, a logically connected 9 SPST relays, would reconfigure array to any of 4×1 (series)

Designing a Solar Cell Battery Charger
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The market for portable solar powered electronic devices continues to grow as consumers look for ways to reduce energy consumption and spend more time outdoors. Because solar power is a variable and unreliable, nearly all solar -powered devices feature rechargeable

A boost-topology battery charger powered from a solar panel
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Solar charging of batteries has recently become very popu lar. A solar cells typical voltage is 0.7 V. Many panels have eight cells in series and are therefore capable of producing 5.6 V at most. This voltage is adequate for charging a single Li-ion battery, such as that used in cell

Solar battery charger maintains high efficiency in low light
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While MPPC optimizes solar panel efficiency during periods of low illumination, the power conversion efficiency of the battery charger suffers when power levels are low, degrading the overall power transfer efficiency from the panel to the battery. This article shows how to

Design of solar powered wireless charger for smartphones
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This is special kind of charging system in which, there is no need of any kind of communication wire to connect the power supply to charge it. The device can charge smartphones or smart devices wirelessly in a short range of distance. This device depletes

Mobile Charger based on Coin by using Solar tracking System
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The mobile phones are plays vital role in the present communication world as well as day to day life. This paper describes the mobile charger using solar tracking system based on the coin. The mobile phone business is currently worth billions of dollars and supports of most

Solar energy based mobile charger
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Assistant Professor, E TC, Bharati vidyapeeth‟s College of Engg. Kolhapur, Maharashtra This paper contains implementation of mobile charger based on solar energy. In coin based Keywords Mobile charger ; solar energy ; mobile battery International Journal of Research

Solar Charger Sizing
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As a part of the optimization of photovoltaic energy extraction, an optimization of each individual component is required. This paper focuses on the optimization of solar battery charger block and presents a new method to track the maximum power point and the load

Solar Based Inverter and Charger
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This system is designed for outdoor application in un-electrified remote rural areas. This system is an ideal application for house or village street lighting. The system is provided with battery storage backup sufficient to operate the light for 7-8 hours daily. The project is about

Solar Charger for Cellphones
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The goal of the project is to make a portable solar powered device with an output voltage of 3.8 Volts DC and an output charge current of 150 milliamps DC to recharge small electronic devices, such as a cell phone. To begin with, the designed project requires a 10 by 7

Design of Solar Charger in Agricultural Monitoring Device.
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Agricultural monitoring devices are electrically powered, but agricultural areas are broadly spread out geographically where electricity supply is not often available, hence the need for solar charger is clear. In this paper polycrystalline silicon solar energy cell boards are

A solar battery charger for two modes of operation using a dc-dc buck converter based on a fuzzy logic controller
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RM Lamaison, JP SergioVivas- Power (W) sharps.lv In this paper a solar battery charger for two modes of operation using a dc-dc buck converter based on a Fuzzy Logic Controller (FLC) has been worked out. To improve energetic efficiency of a photovoltaic system an optimum power transfer from the solar panel to its load

XO Laptop Solar Charger APSC-100 Project Proposal
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Executive Summary One Laptop per Child is a charitable organization with the goal of creating educational opportunities for the worlds poorest children . The way they achieve this lofty goal is by distributing a cheap subnotebook laptop called the XO Laptop. Their





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