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Wireless electricity transport takes new new: Similarly. Furthermore,
Wireless electricity transport takes new:
The transmission of electricity without cables was a dream for humanity. However, especially after Nikola Tesla devoted her last days to work in this direction. Meanwhile, Since then, companies have also started looking for technologies allowing this possibility.
The American military agency Defense Advanced Research Projects Agency (DARPA) of the US military of the American army. Therefore, has taken a stage which positions it as the most advanced in this research. For example, The agency managed to transmit 800 watts through 8.6 kilometers for 30 seconds. Therefore. For example, using laser technology, which is equivalent to the amount of energy necessary to supply a microwave or a small refrigerator. However, Thanks to this success. Nevertheless, the Power (persist Optical Wireless Energy Relay) program of the DARPA has established the record of the wireless electricity transport takes new new maximum wireless. transmission distance to date.
The system uses an wireless electricity transport takes new infrared laser beam precisely focused on a compact floor receiver. The latter uses a parabolic mirror to focus incoming laser light on a set of photovoltaic cells (PV). which convert laser energy into electricity. This design was chosen for its simplicity. its speed of manufacturing (less than three months). its ability to maintain the alignment of the beam over long distances with a minimum of dispersion or atmospheric diffusion.
The system is based on adaptive optical. beam guidance mechanisms to stabilize the laser over long distances. compensate for atmospheric turbulence, in order to guarantee the success of energy capture. Photovoltaic cells have been optimized for the specific laser wavelength used. which has obtained conversion yields of around 20 %which is relatively high given the transmission distance and laser safety constraints. Despite the long wireless electricity transport takes new new range. the beam has retained enough coherence. density of power to transfer more wireless electricity transport takes new than one megajou of energy in just 30 seconds.
The agency has taken a few steps in this regard. For example, at the end of 2024, the agency transmitted 230 watts over 1.7 kilometers for 20 seconds, and tested a distance of 3.7 kilometers.
However, other companies have also taken other stages. PowerLight Technologies showed an infrared infrared transmission of 400 watts over 1 kilometer, but by sending energy for more than 12 hours. Likewise. the company EMROD. based in New Zealand, has transmitted about 2 kilowatts over a few hundred meters, with a yield of around 97 %, using microwave technology.
Wireless electricity transport takes new new
Wireless electricity transport takes new
What are the next steps?
This demonstration was part of phase 1 of the Power project, which has wireless electricity transport takes new new three phases. The agency is now working to improve the management of the beam. improve the correction of the wavefall and reduce losses wireless electricity transport takes new during conversion.
For the following phases. the program aims to develop the system. in order to provide up to 10 kilowatts of optical electricity, over distances of up to 200 kilometers. The energy equivalent feeds a small to medium -sized data center, around 500 servers, which can consume between 150 and 250 kilowatts.
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