Wind up battery charger
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Here we write about the wind-up battery which is the only tool you will need to charge your phone batteries, GPS, notebook batteries or any other modern gadget which is in this technology age an essential companion.
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This document presents a footstep power generation system that uses piezoelectric materials to convert the mechanical energy from human footsteps into electrical energy. It discusses the components required, including piezoelectric crystals, batteries, capacitors, and an inverter. The working principle is that piezoelectric materials generate a charge when pressure is applied, allowing the system to harness energy from walking. Applications include powering lights and devices in areas with foot traffic like schools, malls, and metro stations. The system has advantages of being eco-friendly and self-generating, but high initial costs and limited applicability in only one location.
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This document describes a footstep power generation system that converts the kinetic energy from human footsteps into usable electricity. The system uses an array of piezoelectric sensors that generate voltage when pressure is applied. The voltage is stored in a lead-acid battery and can be used to power small DC loads. A microcontroller and LCD display are used to indicate the voltage level being stored in the battery. The system was designed and implemented to harvest wasted energy from human locomotion and demonstrate piezoelectric energy harvesting.
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seminar on footsteps energy generation
This document describes a footstep energy generation system that converts the kinetic energy from human footsteps into electrical energy. It discusses how piezoelectric materials in the system generate electricity when compressed by footsteps. The generated electricity can then be stored in batteries and used for applications like street lighting. The system provides a sustainable energy source for places with high foot traffic and has been installed in some locations around the world.
Solar energy car.ppt
The document summarizes the components and process of how a solar-powered car works. It discusses the solar array that converts sunlight to electricity, power trackers that adjust the voltage, batteries that store energy, and a motor and controller that use the stored energy to power the wheels. It notes that if there is no sunlight, emergency batteries will power the car until sunlight is available again.
Power generation in footsteps by Piezoelectric materials
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This document proposes a system to wirelessly charge electric vehicles using solar energy. It involves using a solar panel to charge a battery bank, which provides power to an inverter and high-frequency transmitter coil. A receiving coil in the electric vehicle captures the power through inductive coupling and a rectifier converts it to DC to charge the vehicle battery. Testing showed over 35% efficiency up to 2 cm distance. The system aims to allow electric vehicles to charge continuously while in motion and expand use of electric vehicles to remote areas without transmission lines by using renewable solar energy.
Design and Construction of a 0.75KVA Inverter Power Supply for Nigerian Homes...
Over the years, there have been a gradual increase in the electricity generation capacity of Nigeria, with more gas power plants installed between 1999 2003 to augment power supply from the existing hydro and thermal power plants installed in the 1970s but despite gradual increase in Mega Watts MW of electric power generated, Nigerian electricity consumers continue to experience epileptic and unreliable power supply distribution. As at today, the power distribution companies referred to as the DISCOs supply epileptic or skeletal power to their customers which they termed 'load shading’. This term explains a situation whereby a power consumer or customer can obtain a power ration for some hours in the day and do not have power remaining hours in the day. Because of this, many consumers depend on generating sets as alternative source of power. This is inefficient and costly to maintain. Today it is possible to introduce the electric power inverter which converts battery DC voltage to AC voltage. Inside the inverter can be coupled an electric charging system which can charge the battery when there is power supply from utility power source. When this power source fails, the battery in turn supplies the inverter with DC which is being converted to A.C sometimes the inverter can also be connected to renewable energy source like solar, wind etc. These sources ensures an all round supply of DC for the inverter. Renewable energy can be particularly suitable for developing countries such as Nigeria where public power supply is totally unreliable. In response to the yearning of the majority of Nigerians for a steady power supply, this research paper tries to contribute in a little way by designing and constructing a 0.75KVA inverter to power homes and offices. The paper starts by defining what an inverter is, reviewed similar past works in literature, and it explained the principles of operation and components used with its circuit diagram. The completed work was tested and met its design specifications. Lois O. Nwobodo | Nkemdilim Ifeyinwa Obiokafor | Samuel C. Asogwa | Fidelis C. Obodoeze "Design and Construction of a 0.75KVA Inverter Power Supply for Nigerian Homes and Offices" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-2 , February 2021, URL: https://www.ijtsrd.com/papers/ijtsrd38533.pdf Paper Url: https://www.ijtsrd.com/engineering/electrical-engineering/38533/design-and-construction-of-a-075kva-inverter-power-supply-for-nigerian-homes-and-offices/lois-o-nwobodo
BATCH NO 1 17-5-23.pptx
The document describes a proposed system for wirelessly charging electric vehicles (EVs) using solar photovoltaic (PV) energy and a Class E inverter. The system would use a charging pad connected to a Class E inverter to wirelessly charge EVs parked over the pad. A Class E inverter is chosen for its high efficiency, frequency, and low cost of operation. Sensors and a microcontroller would automate the charging process using renewable solar energy. The proposed system aims to provide high power transfer efficiency to charge EVs wirelessly using clean solar energy.
Sgcp14wright
Moixa Technology develops smart energy storage systems called Maslow that allow homes with solar panels to store energy from the sun and use it at night. Maslow comes in 1kWh and 2kWh versions, connects to the internet, and mounts on a wall. By storing solar energy locally, Maslow can help reduce peak grid usage and the need for grid upgrades while increasing the amount of solar energy homes can use. Moixa is demonstrating Maslow in 300 homes and plans to launch it commercially in 2014.
Self charging mobiles
This document discusses the technology behind self-charging mobile phones. It describes how radio waves can be used to wirelessly charge phones through a process called radiocharging. Radio waves are transmitted from an antenna and received by a receiver on the phone called a rectenna, which converts the radio waves to electric current to charge the battery. While the technology is still being developed and improved, self-charging phones would allow for more convenient charging without power cords.
Solar Based Multiple Charger( System Engineering)
This document describes a solar-based multiple charger system that allows charging of mobile phones and other electronic devices using solar energy. The system uses a solar panel to charge a rechargeable battery, which then powers voltage regulators to provide 5V, 9V and 12V outputs for charging devices. It also includes an analyzer circuit that monitors the battery charge level and displays it on an LCD screen, informing the user when the battery is fully charged or below 20% charge. The system is designed to allow charging of devices anywhere using solar energy as the power source.
IRJET - Wireless Charging Station for Electric Vehicle
This document discusses wireless charging systems for electric vehicles. It begins by introducing the motivation for electric vehicles to reduce emissions and discusses some limitations of wired charging systems, such as inconvenience. Wireless charging systems are presented as an opportunity to charge electric vehicles simply by parking over a charging spot or even while driving. The document then provides details on the basic operating principles of wireless charging and categorizes wireless charging systems as either static (vehicle is stationary) or dynamic (vehicle is moving). Static wireless charging systems can be installed in parking lots while dynamic wireless charging allows charging during transit. The document discusses challenges with wireless charging systems and their future potential to revolutionize transportation.
Stark project smart electrical car
This project presentation summarizes an electric car called the SMART Electrical Car. The objectives are to reduce fuel usage and pollution. It proposes a self-energy generator to power the car through an efficient gear system and electrical circuit. The car uses two sets of batteries that charge and discharge alternately to power the electric motor. It also has a specialized charging circuit that uses Crouse technology and ultracapacitors to charge the batteries through multiple stages including continuously from the dynamo, opportunity charging from regenerative braking, and peak charging from the ultracapacitors.
BLOG-Bi Directional.pdf
Bidirectional charging, also known as vehicle-to-grid (V2G) technology, allows electric vehicles to both receive power from the grid and send power back to it. This two-way communication enables EVs to function as energy storage devices that can provide power to the grid or other devices during high demand periods or when renewable energy sources are not generating electricity. V2G uses the EV to send power back to the grid, V2H takes the EV's energy directly to a home, and V2L allows the EV to provide power to charge appliances and devices where no power is available. As bidirectional charging technology becomes more widespread, EVs will become more integrated into daily life similar to how smartphones have integrated over
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Wind up battery charger
- 1. Wind Up Battery Charger CRB Tech - CadCam
- 2. In this blog topic, we shall discuss Green Technology. It provides an independent source of power. Here we write about the wind-up battery which is the only tool you will need to charge your phone batteries, GPS, notebook batteries or any other modern gadget which is in this technology age an essential companion. The use of the wind-up battery charger is easy and since it is portable and an independent power supply, it is a valuable traveling accessory. CRB Tech - CadCam
- 3. It’s mechanism uses an internal generator, which is usually hand-powered by spinning the handle on the device. The manual motion, in which AC alternator is driven by a crank converts your mechanical energy and yields the electrical power, by spinning magnets past a coil of wire, which is preserved in the battery. To charge the device the hand crank needs to be pulled out of the folded position and spun in the direction either, clockwise/counterclockwise. After some time of cranking, when the device is charged the handle is folded back to position and the device is available for use. To mention there are available foot powered the wind-up battery devices, which produce power and self-charge by human energy through feet action. They are able to start a boat or automobile, and give power to a wide array of machines or devices and accessories and represent a priceless and versatile tool for power supply. Working CRB Tech - CadCam
- 4. Devices which use the wind-up mechanism There are several devices which utilize the wind-up mechanism. It can be used as the wind up the battery charger, wind up a flashlight, wind up wind up clock , radio, mp3 player, or a larger electricity supply device. Often there are hand cranks folded into the devices, which can be pulled out when required, a portable in-built arrangement. CRB Tech - CadCam
- 5. l Thank You CRB Tech - CadCam
- 6. l Thank You CRB Tech - CadCam