PRANEETH DHANRAJ. CONTENTS INTRODUCTION SOLAR POWER SATELLITE DC TO MICROWAVE GENERATION RECTENNA DEVELOPMENT OF FUNCTIONAL SYSTEM MODEL FOR SPS SPACE.

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Presentation transcript:

PRANEETH DHANRAJ

CONTENTS INTRODUCTION SOLAR POWER SATELLITE DC TO MICROWAVE GENERATION RECTENNA DEVELOPMENT OF FUNCTIONAL SYSTEM MODEL FOR SPS SPACE SETTELEMENT CONCLUSION

 The concept of SATELLITE POWER SYSTEM was proposed by P.E.GLASER in 1968 to meet both space based and earth based power needs.  This power station a satellite for transmission of its generated power called SOLAR POWER SATELLITE(SPS). INTRODUCTION

SOLAR POWER SATELLITE The concept of the Solar Power Satellite (SPS) is very simple. It is a gigantic satellite designed as an electric power plant orbiting in the Geostationary Earth Orbit (GEO).

to convert the solar energy into DC (direct current) electricity to beam the microwave power to the ground. THREE SEGMENTS OF SPS THREE SEGMENTS OF SPS

DC TO MICROWAVE GENERATION

( RECTifying anTENNA rectifies received microwaves into DC current)  A rectenna comprises of a mesh of dipoles and diodes for absorbing microwave energy from a transmitter and converting it into electric power.  Its elements are usually arranged in a mesh pattern, giving it a distinct appearance from most antennae.  A simple rectenna can be constructed from a schottky diode placed between antenna dipoles RECTEENA

DEVELOPMENT OF FUNCTIONAL SYSTEM MODEL FOR SPS

Space settlement is a unique concept for colonization beyond the Earth It can be utilized as a reaction engine, which can use literally anything for fuel The mass-driver has been assembled from components lifted by several shuttle flights, and soon will be ready to begin hauling cargo for a small moon base to lunar orbit This is a solar-powered mass-driver, an electromagnetic linear accelerator SPACE SETTELEMENT

There, a lunar shuttle soft-lands cargo for the moon base onto the surface. The cargo includes small habitats, solar arrays, mining equipment, and components for the assembly of another mass-driver on the surface. This mass-driver will be used as a catapult to launch lunar ores to a point in space where they can be collec ted. LUNAR SHUTTLE

A Solar Power Satellite (SPS) with a thoroughly energized Earth in the background One of the first things we will begin doing once we are using space resources is constructing a SPS, a vast solar array which gathers the constant solar power in orbit and beams energy to Earth in the form of a safe, low-density microwave beam. On Earth, the beam is intercepted by a rectenna several miles across, where it is converted back into electricity. The electricity is then rectified to AC, and fed into the power grid. The goal is to undersell power generated by fossil fuels or nuclear energy.

 The rectennas will be huge, but the land underneath need not go to waste.  Since the array absorbs the microwaves, but allows sunlight and rainfall through, the land could be used for farming or ranching.  Or, as in this case, the rectenna could be built as a vast set of greenhouses, feeding millions. Rectenna

CONCLUSION In near future Rectenna stands as a mile stone among non conventional energy recourses.