AS3007 Spacecraft Power Systems Syllabus:
AS3007 Spacecraft Power Systems Syllabus – Anna University Regulation 2021
OBJECTIVES:
• Design the various Power system elements, energy storage technology and power converters in a spacecraft.
• Design driving requirements for a space power system.
• Solar cell technology and environmental susceptibility.
• Battery technologies, including battery selection and sizing.
• Design Example: Sample power system concept design of a LEO mission.
UNIT I SPACECRAFT ENVIRONMENT & DESIGN CONSIDERATION
Orbit definition /Mission Requirements of LEO, GEO, GTO & HEO, Lunar orbits, IPO with respect to Power Generation – Power System Elements – Solar aspect angle Variations.
UNIT II POWER GENERATION
Study of Solar spectrum – Solar cells – Solar Panel design – Solar Panel Realization – Solar Panel testing – Effects of Solar cells and panels (IR, UV, Particles).
UNIT III ENERGY STORAGE TECHNOLOGY
Types of batteries – Primary & Secondary batteries – Nickel Cadmium – Nickel-Hydrogen – Nickel metal hydride – Lithium-ion –Lithium Polymer – Silver Zinc– Electrical circuit model – Performance characteristics of batteries – Application of batteries in launch vehicles and satellites – Fuel Cell – Polymer Electrolyte membrane Fuel Cell – Regenerative Fuel Cell.
UNIT IV POWER CONVERTERS
DC – DC converters – Basic Convertors – Buck, Boost, Buck- boost converter –Derived converters: Fly back converter – Transformer coupled forward converter – Push-Pull converter – CUKs convertor– Resonant converter – Voltage and current regulators.
UNIT V POWER CONTROL, CONDITIONING AND DISTRIBUTION
Solar Array Regulators – Battery changing schemes – Protection Schemes – Distribution – Harness – Thermal Design – EMI/EMC/ESD/Grounding schemes for various types of circuits and systems.
TOTAL: 45 PERIODS
OUTCOMES:
On successful completion of this course, the student will be able to
• Apply the advanced concepts of Spacecraft power systems.
• Provide the necessary mathematical knowledge that are needed in modelling the power systems.
• Have an exposure on various Power system elements, energy storage technology and power converters.
• Deploy these skills effectively in the analysis and understanding of power systems in a spacecraft.
• Have exposure on solar regulators, battery charging schemes and thermal design of space craft.
TEXT BOOKS:
1. Anspaugh B.E., “GaAs Solar Cell Radiation Handbook”, NASA, 2014
2. Chetty P. R. K., “Spacecraft Power Systems”, 1988.
3. Patel, Mukund R, “Spacecraft Power Systems”, CRC Press Boca Raton, 2005.
REFERENCES:
1. Bauer P., “Batteries for Space Power Systems”, NASA SP-172, 1968.
2. Hyder, A k et.al, “Space Power Technologies”, Imperial College Press London, 2000.
3. Peter Fortescue, Graham Swinerd, John Stark, “Spacecraft Systems Engineering”, 4th Ed., Willey, 2011.
4. Ned Mohan, et al, “Power Electronics, convertors Applications and Design”, John Wiley & Sons, 1989.