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US researchers beam solar from space – pv magazine International


Caltech’s area photo voltaic program started in 2011 when philanthropist Donald Bren donated greater than $100 million in help of the venture. With the primary look of photo voltaic power beamed right down to earth, his imaginative and prescient has now grow to be a actuality.

From pv journal USA

House-based solar energy has been studied for many years as a result of, in principle, it might faucet into area’s almost limitless provide of photo voltaic power. Researchers on the California Institute of Expertise (Caltech) estimate that photo voltaic from area can present eight occasions extra energy than photo voltaic panels at any location on Earth’s floor, and in January, the Caltech House Photo voltaic Energy Undertaking (SSPD) launched a prototype into orbit to beam energy. on Earth.

The SSPD deployed a constellation of modular spacecraft geared up with PV to gather daylight, convert it into electrical energy, after which wirelessly transmit the electrical energy over lengthy distances to wherever it’s wanted. Caltech says the expertise may very well be helpful in distant areas with out the supporting transmission infrastructure.

Wi-fi energy switch by the Microwave Array for Energy-transfer Low-orbit Experiment (MAPLE), carried out at Caltech, is demonstrated. It’s certainly one of three key applied sciences being examined on the House Photo voltaic Energy Demonstrator (SSPD-1), the primary space-borne prototype from Caltech’s SSPP.

MAPLE contains light-weight microwave energy transmitters pushed by customized digital chips made utilizing low-cost silicon applied sciences. It makes use of an array of transmitters to ship power to desired places.

“By means of the experiments we’ve run up to now, we’ve obtained affirmation that MAPLE can efficiently transmit energy to receivers in area,” stated Ali Hajimiri, professor {of electrical} engineering and medical engineering and co-director of SSPP.

“We have been additionally capable of program the array to direct its power towards Earth, which we’ve seen right here at Caltech,” Hajimiri stated. “In fact, we examined it on Earth, however now we all know it could possibly survive area journey and work there.”

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