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AssigneeMitsubishi Denki Kabushiki Kaisha
InventorsKazuyuki Takada, Hiroyuki Satou, Izumi Mikami
Estimating the term…
A power generation satellite converts electric energy generated from sunlight into a microwave and spreads and applies the microwave through a power transmission antenna of the power generation satellite to any desired area widely on earth. The beam width of the microwave is determined by the aperture area of the power transmission antenna placed in the power generation satellite. To spread and apply the microwave to a wide area, the power transmission antenna provided in the power generation satellite need not be a very large antenna having a diameter of several km or more like a power generation satellite power transmission antenna in a space photovoltaic power generation system in a related art.
A space photovoltaic power generation system comprising:
A portable small power electronic machine comprising:
A reception antenna apparatus comprising:
An electric power system comprising:
Dependencies are inferred from the claim text.
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Backward citations are indexed for grants only.
For devices having potential barriers: for photovoltaic devices
Using microwaves or radio frequency waves: characterised by the type of receiving antennas, e.g. rectennas
Circuit arrangements or systems for wireless supply or distribution of electric power: using two or more transmitting or receiving devices
Energy generation through renewable energy sources: photovoltaic [PV] energy
Term end not estimated
1. Field of the Invention
This invention relates to a space photovoltaic power generation system wherein sunlight is received and electric power is generated in space and generated DC electric power is transmitted by a microwave through space, is received at a microwave reception antenna (commonly called rectenna), and is converted into DC power for use, and a portable small power electronic machine for obtaining drive power from the space photovoltaic power generation system.
2. Description of the Related Art
In the accompanying drawings:
FIG. 1 is a conceptual drawing to show the general configuration of a power generation satellite in a space photovoltaic power generation system in a related art and the system;
FIG. 2 is a conceptual drawing to show the configuration of a space photovoltaic power generation system according to a first embodiment of the invention;
First Embodiment.
A space photovoltaic power generation system according to a first embodiment of the invention will be discussed with reference to FIGS. 2 to 4. FIG. 2 is a conceptual drawing to show the configuration of the space photovoltaic power generation system according to the first embodiment of the invention. FIGS. 3 and 4 are schematic drawings of area formation wherein a microwave is spread from a power generation satellite and is applied directly to a power consumption area of a city, a residential area, etc., and electric power can be gotten at discretely placed rectennas.
Next, the general configuration and the mechanism of a space photovoltaic power generation system according to the invention will be discussed with reference to FIG. 2. In FIG. 2, numeral 5 denotes a power generation satellite for generating electric energy from sunlight in space and generating a microwave from the electric energy and transmitting the microwave. FIG. 2 shows a configuration example containing only one power generation satellite 5, but the power generation satellite 5 may be a power generation satellite group consisting of a plurality of power generation satellites. Numeral 6 denotes a portable small power electronic machine and numeral 7 denotes a small-sized rectenna array for supplying drive power to the portable small power electronic machine. The portable small power electronic machines 6 and the rectenna arrays 7 are placed discretely and need not be placed at fixed positions and may be changed in position at any time like mobile telephones, etc.