The Vision Clean, safe, affordable and virtually limitless solar - - PowerPoint PPT Presentation

▶
the vision
SMART_READER_LITE
LIVE PREVIEW

The Vision Clean, safe, affordable and virtually limitless solar - - PowerPoint PPT Presentation

Nov 02, 2023 209 likes •355 views

International Symposium on Solar Energy from Space The Vision & Challenge of Solar Power Satellites Abundant & Affordable Solar Power on Earth & in Space 08 September 2009 John C. Mankins Co-Chair, International Academy of

slide-1
SLIDE 1

International Symposium on Solar Energy from Space

The Vision & Challenge of Solar Power Satellites

Abundant & Affordable Solar Power on Earth & in Space

08 September 2009

John C. Mankins Co-Chair, International Academy of Astronautics Study Group President, Artemis Innovation Management Solutions LLC Ashburn, Virginia 20147 USA

slide-2
SLIDE 2

The Vision

08-10 September 2009 // International Solar Energy from Space Policy Form

Clean, safe, affordable and virtually limitless solar energy 24/7

slide-3
SLIDE 3

The Challenge

08-10 September 2009 // International Solar Energy from Space Policy Form

Technical Challenges The Technical and Economic viability of SSPS depends on (1) end-to-end Efficiency, (2) total Mass, and (3) the Cost to deploy / operate…

Many Possible Paths… Complex Engineering Choices…

slide-4
SLIDE 4

History & Illustration of the Challenge

1979 SPS Reference Concept in GEO

08-10 September 2009 // International Solar Energy from Space Policy Form

  • pg. 3
slide-5
SLIDE 5

What Has Changed?

1979

  • Solar Power Generation

– Efficiency @ ~ 10%

  • Wireless Power Transmission

– Solid State Amplifiers, with Efficiency @ ~ 20% – Mechanical Pointing, 200 meter gimbal carrying 7 GW to 1 km array

  • SSPS Power Management Req’ts

– Voltages @ ~ 50,000 Volts

  • SSPS Space Launch Req’ts

– Unique Reusable Heavy Lift, with payloads @ 250 tons

  • Space Robotics

– Degrees of Freedom @ ~ 3 – Control ~ Programmed/Teleoperated

  • Space Assembly

– 100’s of Astronauts – Large Space Factory Required in GEO

2009

  • Solar Power Generation

– Efficiency @ ~ 40%, going to 50%

  • Wireless Power Transmission

– Solid State Amplifiers, with Efficiency @ ~ 80 - 90% – Electronic Beam Steering, with no mechanical gimbal

  • SSPS Power Management Req’ts

– Voltages @ < 1,000 Volts

  • SSPS Space Launch Req’ts

– Any Commercial Launcher, with payloads @ ~ 25 tons

  • Space Robotics

– Degrees of Freedom @ ~ 30++ – Control ~ Autonomous/Telesupervised

  • Space Assembly

– No Astronauts – No Space Factory Required

08-10 September 2009 // International Solar Energy from Space Policy Form

  • pg. 4
slide-6
SLIDE 6

How SPS Economics Might be Achieved…

  • TBD

Average Dev Cost per kg-Dry (Space or "High-Tech" Only)

0.0E+00 5.0E+05 1.0E+06 1.5E+06 2.0E+06 2.5E+06 3.0E+06 3.5E+06 4.0E+06

Average 1-20 kg Average 20-20,000 kg Average 20,000- 200,000 kg Average 200,000- 2,000,000 kg

Aerospace Systems "Mass Class"

Aerospace Systems Specific Cost ($/kg)

  • Large systems, assembled out of identical intelligent (and reconfigurable)

elements, have the potential to radically reduce the cost of space

  • perations--for the right applications
  • At the same time, such ‘fractionated spacecraft’ can radically reduce launch

risks and costs…

08-10 September 2009 // International Solar Energy from Space Policy Form

  • pg. 5
slide-7
SLIDE 7
  • pg. 6

One Promising Approach Integrated Symmetrical/Modular SPS

08-10 September 2009 // International Solar Energy from Space Policy Form

slide-8
SLIDE 8

A Potential Key to Microwave SPS:

Retrodirective Phased Arrays…

Phase Conjugate

Wave Front Pilot Signal Space Antenna

Li+1 Li Li-1

Phase Conjugate Phase Conjugate

08-10 September 2009 // International Solar Energy from Space Policy Form

  • pg. 7
slide-9
SLIDE 9

Recent SBSP Progress

Wireless Power Transmission Tests (2008)

08-10 September 2009 // International Solar Energy from Space Policy Form

  • pg. 8
slide-10
SLIDE 10

Today: Another Step Forward…

  • Demonstration of a “NextGen”

Retrodirective Phased Array Approach for Wireless Power

– Prof. N. Kaya and team; of Kobe University

  • Key SPS / WPT Functions to be

demonstrated…

– Low-cost, high-power amplifier phased array modules – Pilot Signal Control of the phased array – dispatchable energy – Dynamic pointing to / tracking of a moving target – Automatic recovery from dislocation of array elements

08-10 September 2009 // International Solar Energy from Space Policy Form

slide-11
SLIDE 11

Closing

  • Fundamentally new approaches are needed to meet the

Emerging Challenges of global Energy, including

– Accelerating per capita Energy Consumption (China, India, etc.) – The Urgent Need for Assured Global Energy Security – Strong concerns about environmental impacts (climate change, pollution, carbon sequestration, etc.) – Sometimes Uncertain Stability of Key International Energy producing regions – “Coming Soon”: Peak Oil / Natural Gas – Inherent limits on ground-based renewable energy (day/night cycle, biofuels competition with agricultural production, etc.)

Space Solar Power could realize the Vision of sustainable, affordable, safe solar energy – worldwide & 24-7…

08-10 September 2009 // International Solar Energy from Space Policy Form

  • pg. 10
slide-12
SLIDE 12

08-10 September 2009 // International Solar Energy from Space Policy Form

  • pg. 11

The Vision

Affordable / Dispatchable Solar Energy 24-7

slide-13
SLIDE 13

The Vision

Affordable / Dispatchable Solar Energy 24-7

08-10 September 2009 // International Solar Energy from Space Policy Form

slide-14
SLIDE 14

Space Solar Power – A Unique Opportunity

Energy Security Environmental Sustainability Space Applications

SPACE SOLAR POWER

Economic Growth

08-10 September 2009 // International Solar Energy from Space Policy Form

  • pg. 13