Electric power transmitted wirelessly in japan
Electric power transmitted wirelessly in Japan
In a breakthrough, Japanese researchers have successfully transmitted electric power wirelessly to a pinpoint target using microwaves, an advance that brings space-based solar power closer to reality.
According to Japan Aerospace Exploration Agency, or Jaxa, the researchers were able to transform 1.8 kilowatts of electric power into microwaves and transmit it with accuracy into a receiver located 55 meters away.
In an experiment conducted last week in Hyogo prefecture in western Japan, the microwaves were successfully converted into direct electrical current, The Wall Street Journal reported.
The experiment was the first in the world to send out high-output microwaves wirelessly to a small target, a Jaxa spokesman said.
In space-based solar power generation, sunlight is gathered in geostationary orbit and transmitted to a receiver on Earth.
If implemented, microwave-transmitting solar satellites would be set up approximately 35,000 kilometers from Earth.
Source፡- IEEE SPECTRUM (prepared by science and technology information center)