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http://dx.doi.org/10.5139/JKSAS.2006.34.4.089

Development and Validation of HAUSAT-2 Nanosatellite EPS  

Kim, Dong-Un (한국항공대학교)
Jang, Yeong-Geun (한국항공대학교)
Mun, Byeong-Yeong (한국항공대학교)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.34, no.4, 2006 , pp. 89-101 More about this Journal
Abstract
This paper addresses Electrical Power Subsystem(EPS) design and verification of HAUSAT-2 small satellite through energy balance analysis(EBA) depending on individual operation modes. GaAs solar cells are used for satellite power generation and digital peak power tracking is implemented for EPS architecture. One battery pack is consisted of 4 Li-Ion cells. Battery charge is accomplished by peak power tracker and battery charge regulator. Power conditioning assembly uses three DC-DC converters, and power distribution assembly which consists of commercial IC and MOSFET switch distributes power to subsystems and payloads. The altitude of 650km and sun-synchronous LEO with various local time ascending node(LTAN) are considered in EBA.
Keywords
EPS; Li-Ion Battery; Energy Balance Analysis; Solar Array;
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