wireless power transfer
The project is a device to transmit power wirelessly instead of using traditional copper cables and current carrier wires. The concept of wireless power transmission was introduced by Nicholas Tesla. This capability is converted in a small range only, for example charging rechargeable batteries etc. For display purposes, we used a fan instead of a battery powered by wireless power. This requires an electronic circuit to convert 230V AC 50Hz to 12V AC, high frequency, then this file is fed into a basic file for a primary air adapter. The secondary coil of the transformer develops a high frequency of 12 volts. So in this way the power is transferred through the base file to a secondary file separated by a certain distance about 3 cm. Here the primary file acts as a transponder and secondary coil that receives energy to operate the load. This project can be used to charge batteries from a speed maker and similar applications
The project implements the principle of an inductively coupled power transfer system. coil, attached to an AC power supply acts as a transmitter by the virtue of its time varying magnetic field and on the other end a receiver coil with magnetically induced current, drives a load motor attached to it. The two coils are aligned in such a way that the magnetic field interaction, and hence the power transfer is maximum. For this purpose, the receiver coil, mounted on a DC motor, makes a complete 360 degrees turn and the ADC continually monitors the voltage induced at each angle. The DC motor automatically goes to the position of the maximum sensed voltage and the coil starts driving the load motor attached to it Wireless communication is the transmission of extended power without the use of wires or cables where the distance can be short or long. Wireless operations, for example, allow long-range communications that are useless using wires. Wireless power transmission or wireless power transmission may be the transfer of power from your power source to an electric load without wiring. Wireless transmission is useful in cases where interconnected wiring is inappropriate, dangerous or impossible. The power transfer status wirelessly is different from wireless communication Such as the radio. In the latter case, the level of the monitored receiver becomes critical, provided that it is very low, so that the signal is distinguished from the ground noise with wireless power. Efficiency is the most important. The power sent to the generating plant is likely to reach the receiver or receiver to make it economical. The most common form of radio transmission is the use of direct induction and then resonant magnetic induction. Electrodes include radio waves such as microwaves or light technology. Wireless communication is often regarded as a branch of telecommunications. Wireless operations allow services, for example long-range communications, which can be impossible and impractical in traditional ways
Nicolas Tesla spent most of his time and wealth on a series of projects to develop power transmission without wires New York City installed the world’s first power grid and served only the lower eastern part Tesla had a much bigger vision
He believed wireless energy was possible and built something called the Tesla Tower, a gigantic file connected to a 200-foot tower with a diameter of three feet. Tesla pumped 300 kilowatts of power into the device, and the coil resonated at 150 kHz. Tesla coils operated by switching low voltage alternating voltage to very high voltage and increasing frequency. His initial model, which was enormous and costly, worked in his laboratory. But when it comes to working more widely in the open air, the experiment fails: power has spread in all directions, and Tesla had no way to contain it to concentrate its strength.
Runs the neon sign without wires or wires. , This is done to charge your smartphone wirelessly, but on a much smaller and much calmer scale.
In Teslas work a power adapter was needed. There was a need to convert one type of energy to another For WPT in this current work power is achieved from switching from wireless to DC based on a straight circuit The rectum is a correction antenna a special type of antenna that uses direct energy from microwave to DC power.
By connecting the diode to reach the dipole antenna, we get a simple device. The use of the Scotty diode is the idea of Tesla to transfer electrical power from the atmospliere time down to earth. Using the fire balloon will allow the electricity to flow along the connector wire down to the base station. Then the city can be activated “easily”. Necessary to achieve high efficiency in the overall conversion process.
Has LED access. The latter corrects the voltage to DC current by capacitor C at the RC rate.
For the first time, William S. Brown succeeded in showing a microwave helicopter using the receiver. The rectum was carefully studied Starting in the second half of the 20th century leading to higher general efficiency systems With the advent of integrated circuits and low-power technologies new applications became possible in the mid The definition of radio frequencies as RFID systems by induction or electromagnetic coupling
The antenna is used for both transmission and communication Other WPT applications include biomedical implants with negative telemetry as a continuum Recently the issue of recycling of ambient microwave energy has been utilized by the vast majority of these applications of the building block rate similar to the basic rectum
Wireless Power Transfer Circuit Diagram:
Construction and Working
It starts with 20 SWG enameled copper wire 6 CM dia 15 turns coil and connected to the bridge rectifier (1N4007 X 4) then filter capacitors C1, C2, C3 connected across the output terminals of bridge Rectifier, IC 7805 positive voltage regulator provides regulation to DC supply from rectifier and output supply is ready for to charge your gadgets / mobile battery.
oscillates high frequency signal with the help of R1, C1 and C2 Resonator elements. Here LED 1 indicates the presence of bias to this circuit.
Construction and Working
This circuit constructed to produce high frequency magnetic flux. The center tapped Coil is made through 20 SWG Enameled copper wire 6 CM dia and 5 turns with center tap in middle. The BD139 NPN transistor reacts as a Switching device
In this way, primary and secondary files act as send and receive antennas, respectively. The functions of the files also transfer the inductive power by creating an alternating magnetic field (flux) in the transmitter file and converting this flow into an electrical current in the receiver file. Depending on the distance between transceiver and transceiver files, only the part of the magnetic flow generated by the transmitter file penetrates the receiver file and contributes to the transmission of more flow power up to the receiver’s best paired files. Efficiency decreases rapidly as the distance increases. Magnetic resonance resonances appear with high-quality files with high efficiency Maximum efficiency of power transmission can be achieved across a wide range of distances and orientations The transmitting antenna consists of an LC-based transmission file. As the electricity moves through this file, the file begins to echo. The oscillator generates a signal at a frequency where the maximum energy transfer occurs; then the signal is amplified through the amplifier leading to a fluctuating magnetic field. Magnetic waves that resonate at a given frequency from the transmitter to the receiver are reacted with a future coil to induce Electric current in the future. -And be at an appropriate distance between the two files The files must be the same type of wire And the diameter between the two files is equal
AC power supply voltage AC input on the input of the file. But immediately before
Its application to the coil is made by a high-frequency conversion through which the frequency gets increased from 50 Hz to several kHz. This is done effectively to achieve long distance and to reduce energy consumption. This frequency is converted using the switch
The devices through which the devices can be rotated and given as input to the transfer (primary file) and the flow of the voltage through this coil is in the electromagnetic waves which are then transmitted towards the receiver (secondary file)
The receive inductor (secondary file) is used to receive electromagnetic waves which produce the voltage inside the coil which is in AC format. This effort passed
Rectifier and a filter circuit that converts the AC voltage into DC form eliminates unwanted Contents using filter. This circuit is used to provide DC voltage on approx. The future voltage may be in an unorganized form and must be regulated using the voltage regulator even when the output we obtain regulates DC voltage. This organized effort is then given to the pregnancy that it pays.