solar power satellite
DESCRIPTION
SOLAR POWER SATELLITE. By 08030-EC-257 SUSMITHA. INTRODUCTION. THE DEMAND OF THE ELECTRICAL POWER WHAT IS SPS? WHY SPS IS USED? GENERAL IDEA WIRELESS POWER TRANSMISSION MICROWAVE POWER TRANSMISSION IN ENVIRONMENTAL ISSUES ADVANTAGES & DISADVANTAGES. NEED OF SPS. - PowerPoint PPT PresentationTRANSCRIPT
INTRODUCTIONINTRODUCTION THE DEMAND OF THE ELECTRICAL THE DEMAND OF THE ELECTRICAL
POWERPOWER WHAT IS SPS?WHAT IS SPS? WHY SPS IS USED?WHY SPS IS USED? GENERAL IDEAGENERAL IDEA WIRELESS POWER TRANSMISSIONWIRELESS POWER TRANSMISSION MICROWAVE POWER TRANSMISSIONMICROWAVE POWER TRANSMISSION IN ENVIRONMENTAL ISSUESIN ENVIRONMENTAL ISSUES ADVANTAGES & DISADVANTAGESADVANTAGES & DISADVANTAGES
NEED OF SPSNEED OF SPS THE EARTH BASED SOLAR PANNEL WILL THE EARTH BASED SOLAR PANNEL WILL
RECEIVE A PART OF SOLAR RECEIVE A PART OF SOLAR
THE DAY AND NIGHT ARE THE THE DAY AND NIGHT ARE THE ANOTHER FACTORS EFFECTS ANOTHER FACTORS EFFECTS
INCREASING GLOBAL ENERGY DEMAND INCREASING GLOBAL ENERGY DEMAND IS CONTINUE FOR MANY DECADESIS CONTINUE FOR MANY DECADES
SPSSPS
The difference between existing satellites and SPS
The microwaves would be beamed to the Earth’s surface,
This direct current can then be converted to 50 or 60 Hz alternating current
WIRELESS POWER WIRELESS POWER TRANSMISSIONTRANSMISSION
TRANSMISSION OF ELECTRICAL TRANSMISSION OF ELECTRICAL ENERGY BY WPT IS FAMILIARENERGY BY WPT IS FAMILIAR
The 50 Hz ac power tapped from the grid lines is stepped down to a suitable voltage level for rectification into dc.
Inside the magnetron electrons are emitted from a central terminal called cathode.
A positively charged anode surrounding the cathode attracts the electrons
MICROWAVE POWER TRANSMISSION IN SPS
The microwave transmission system as envisioned by NASA and DOE would have had three aspect
3. The collection of the microwave energy and its conversion into electrical energy at the earth’s surface.
RECTENNARECTENNA
rectenna is the microwave to dc converting device and is mainly
composed of a receiving antenna and a rectifying circuit.
MICROWAVES-ENVIRONMENTAL ISSUES
SPS would appear as a very bright star in the relatively darknight sky
On the earth, each rectenna for a full-power SPS would be about 10km in diameter
However, the issues related to microwaves continue to be the mostpressing environmental issues.
ADVANTAGES AND DISADVANTAGES
The power could be directed to any point on the earth’s surface
No moving parts. No fuel required No waste product The entire structure is massive. Risks involves in manfunction High cost