A low cost, efficient electrical power system design for CubeSat

Shaymaa Abushawish, Aleena Lifiya, Hamd Khan, Mohammed Eshaq, Rida Gadhafi, Amjad Gawanmeh, Husameldin Mukhtar, Wathiq Mansoor

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

1 Citation (Scopus)

Abstract

This paper discusses the design of an Electrical Power System (EPS) for a 1U CubeSat. A low-cost, lightweight, and highly efficient EPS using commercial off-the-shelf (COTS) components is designed. The EPS comprises of three modules: Power generation, Power storage, and Power distribution. To determine the amount of power CubeSat would receive, various analyses are conducted on eclipse time and inclination. A polar orbit is chosen to minimize eclipse time without expending extra power to maintain the satellite in a retrograde orbit. Polycrystalline silicon solar panels are selected due to their decent efficiency, affordability, and availability. LG MJ1 batteries are chosen for their high specific energy, high maximum continuous discharge, stable end of discharge, among other factors. A detailed power budgeting and cost analysis of the proposed EPS is also conducted. The analysis shows that the chosen batteries can provide 3.60 W of power, sufficient to meet the required power of 3.55 W in the worst-case scenario for the satellite, with an expected total cost of $109.73.

Original languageEnglish
Title of host publication2023 10th International Conference on Recent Advances in Air and Space Technologies (RAST)
Place of PublicationPiscataway, NJ
PublisherIEEE
Number of pages6
ISBN (Electronic)9798350323023
DOIs
Publication statusPublished - 7 Aug 2023
Event10th International Conference on Recent Advances in Air and Space Technologies, RAST 2023 - Istanbul, Turkey
Duration: 7 Jun 20239 Jun 2023

Conference

Conference10th International Conference on Recent Advances in Air and Space Technologies, RAST 2023
Country/TerritoryTurkey
CityIstanbul
Period7/06/239/06/23

Keywords

  • CubeSat
  • electrical power system (EPS)
  • low-earth-orbit (LEO) satellites
  • maximum power point tracking (MPPT)
  • multi-junction (MJ) solar cells
  • power budgeting
  • power generation

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