LSP: Lunar Solar Power
Fresh look at space solar power new architectures concepts and technologies
Lunar Solar Power: Imagine
Imagine your and anybody else’s children and grandchildren not only surviving but thriving in the next 100 years and beyond.
A gift to them that would stop and reverse most of the environmental problems we have created the past 200 years.
Support LSP and start talking about LUNAR SOLAR POWER
The technology has been developed in the 80’s of last century will provide us with an abundance of cheap clean energy. NASA was researching building solar panel satellites on earth and stationing them in orbit to provide clean energy and was about to abandon this project because of the high cost, until they discovered they had a free satellite with most of the production material for solar panels available on this satellite called the MOON.
Known as LSP let’s introduce to you Lunar Solar Power.
Video
Please watch this short YouTube video, and you will be able to envision a peaceful world revolution.
LSP UN projectOne year’s budget of the US department of Defense (War) could make this happen, I would prefer this to be a United Nation project.
After the initial start-up cost it would be self-financing and will result in energy prices at 1/10th of present energy costs, providing electricity to every corner of the world, local production of goods will increase because there will be a level playing field as a result of affordable energy available to everyone.
Design
Space-based solar power essentially consists of three elements:
- collecting solar energy in space with reflectors or inflatable mirrors onto solar cells
- wireless power transmission to Earth via microwave or laser
- receiving power on Earth via a rectenna
A rectenna is a rectifying antenna—a special type of antenna that is used to convert electromagnetic energy into direct current (DC) electricity. They are used in wireless power transmission systems that transmit power by radio waves.
Methods
Two basic methods of conversion have been studied: photovoltaic (PV) and solar dynamic (SD).
- Most analyses of SBSP have focused on photovoltaic conversion using solar cells that directly convert sunlight into electricity.
- Solar dynamic uses mirrors to concentrate light on a boiler.
The use of solar dynamic could reduce mass per watt - Wireless power transmission was proposed early on as a means to transfer energy from collection to the Earth’s surface, using either microwave or laser radiation at a variety of frequencies.
Advantages
- no more energy/oil wars
- stopping and reversing climate change
- dried up financing (oil) for terrorist organizations
- resolving world poverty
- the most any positive energy related concept you can think of
Challenges
The SBSP concept also has a number of challenges:
- Costs
- large cost of launching a satellite into space
- the large size and corresponding cost of the receiving station on the ground
- Inaccessibility
Maintenance of an earth-based solar panel is relatively simple, but the maintenance of solar panels in space would typically be done tele-robotically. In addition to cost, astronauts working in GEO orbit are exposed to unacceptably high radiation dangers and risks. This will cost about one thousand times more than the same task done tele-robotically. - The space environment is hostile
panels suffer about 8 times the degradation they would on Earth (except at orbits that are protected by the magnetosphere). - Space debris is a major hazard to large objects in space, and all large structures such as SBSP systems have been mentioned as potential sources of orbital debris.
- The broadcast frequency of the microwave downlink (if used) would require isolating the SBSP systems away from other satellites.
GEO space is already well used and it is considered unlikely the ITU would allow an SPS to be launched - Energy losses during several phases of conversion from photon to electron to photon back to electron
Building on the moon
According to David Criswell, the Moon is the optimum location for solar power stations. The main advantage he envisions is construction largely from locally available lunar materials, using in-situ resource utilization, with a tele-operated mobile factory and crane to assemble the microwave reflectors, and rovers to assemble and pave solar cells.
Power relay satellites orbiting around earth and the Moon reflecting the microwave beam are also part of the project. A demo project of 1 GW starts at $50 billion.
From an asteroid
Asteroid mining has also been seriously considered. A NASA design study evaluated a 10,000 ton mining vehicle (to be assembled in orbit) that would return a 500,000 ton asteroid fragment to geostationary orbit.
Only about 3,000 tons of the mining ship would be traditional aerospace-grade payload. The rest would be reaction mass for the mass-driver engine, which could be arranged to be the spent rocket stages used to launch the payload.
Assuming that 100% of the returned asteroid was useful, and that the asteroid miner itself couldn’t be reused, that represents nearly a 95% reduction in launch costs.
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Related
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