The Japan Aerospace Exploration and Development Agency successfully conducted a microwave wireless transmission experiment on the 8th, with a transmission distance of 55 meters. Microwave wireless power transmission is an indispensable technology for “solar power generation by space.†This achievement has made the research of space solar power generation another step forward. The research team conducted an outdoor wireless transmission experiment in Hyogo on the same day. Since powerful microwaves may adversely affect the human body and the environment, the requirements for the accuracy of microwave emission are extremely high.
After precise adjustment, the researchers finally completed the microwave wireless transmission from the transmission device to an antenna 55 meters away, and the receiving device converted this "radio" into direct current.
The research team believes that the ability to control microwaves is an important technology needed to achieve safe, non-destructive power transmission. It can be confirmed through experiments that it is an important progress.
According to estimates by the Japan Aerospace Exploration and Development Agency, if a giant solar panel with a diameter of two or three kilometers is used for space power generation, it will be able to reach the power level of a commonly used nuclear power generating unit with a capacity of 1 million kilowatts installed.
Solar power in space means that solar panels generate electricity in space, and the generated energy is transmitted back to the ground in the form of microwaves. The advantage is that it is not affected by day and night and weather conditions. However, to achieve this goal, it also faces many technical breakthroughs and cost control issues.
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