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Improving the power bus technology of a nanosatellite
Author(s)
Adjei-Frimpong, Bernard
Date Issued
2011
Type
Thesis
Publisher
Cape Peninsula University of Technology
Abstract
The design of nanosatellite power systems plays a major role in micro-sized component
development for these spacecrafts. Due to its prospect for future development, industries and
universities across the world have accepted them as a teaching tool as well as for conducting
space research and development. Since nanosatellite systems have become increasingly
popular to commercial companies and research institutions, the need to improve on the power
systems has now become a major issue for power system engineers. The power system of a
nanosatellite is responsible for the generation and supply of power to the subsystem, as required
for a specific mission.
The purpose of this thesis is to highlight on the design and development of a stable and efficient
power system to withstand the harsh environmental conditions in order to make satellite
missions successful. In working towards achieving this goal, an improved design has been
proposed by using a number of current technologies, while literature on a similar subject was
reviewed. Current solar cells and battery technologies were extensively discussed and the most
efficient method was selected for implementation. Efficient power management architectures to
regulate and control power for distribution to the subsystems were also revised. Power
subsystem blocks were also reviewed to determine ways of maximizing their performance to
enhance effective power supply characteristics for mission operations.
development for these spacecrafts. Due to its prospect for future development, industries and
universities across the world have accepted them as a teaching tool as well as for conducting
space research and development. Since nanosatellite systems have become increasingly
popular to commercial companies and research institutions, the need to improve on the power
systems has now become a major issue for power system engineers. The power system of a
nanosatellite is responsible for the generation and supply of power to the subsystem, as required
for a specific mission.
The purpose of this thesis is to highlight on the design and development of a stable and efficient
power system to withstand the harsh environmental conditions in order to make satellite
missions successful. In working towards achieving this goal, an improved design has been
proposed by using a number of current technologies, while literature on a similar subject was
reviewed. Current solar cells and battery technologies were extensively discussed and the most
efficient method was selected for implementation. Efficient power management architectures to
regulate and control power for distribution to the subsystems were also revised. Power
subsystem blocks were also reviewed to determine ways of maximizing their performance to
enhance effective power supply characteristics for mission operations.
Additional information
Thesis (MTech(Electrical Engineering))--Cape Peninsula University of Technology, 2011.
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