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The Analysis of the LCL Set-up Parameters for Satellite Power Distribution  

Lim, Seong-Bin (한국항공우주연구원 다목적3A호 체계팀)
Jeon, Hyun-Jin (한국항공우주연구원 다목적3A호 체계팀)
Kim, Kyung-Soo (한국항공우주산업)
Kim, Tae-Youn (한국항공우주연구원 우주환경시험팀)
Publication Information
Aerospace Engineering and Technology / v.10, no.2, 2011 , pp. 56-64 More about this Journal
Abstract
In this paper, the characteristics of LCL set-up parameters for the satellite load distribution are analyzed under the electrical system environment, implemented the LCL circuits and evaluated the performance and its behaviour. Recently, it is implemented the load distribution circuit by latching current limiter(LCL) rather than conventional fuse and relay for the protection of the satellite power system from a fault load. The LCL circuit is composed of the electrical components, not mechanical parts with the fuse and relay. When detected the over current on a fault load, it is activated to maintain the trip-off level for set-up time and then cut-off the load power by the active control. It is more flexible and provided a chance to reuse of the load in case of temporarily event, but the fuse and relay can't be used again after activating due to the physical disconnection. However, for implementation of LCL circuit, it should be carefully considered the behavior of the LCL circuit under the worst electrical system environment and applied it to define the set-up parameters related with over-current inhibition.
Keywords
LCL(Latching Current Limiter); Fuse and Relay; Trip-off Parameters; In-rush Current; Transient; Electrical Power Distribution Module;
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  • Reference
1 K3A-SP-410-001, "BUS EMC Requirements Specification", June 2010.
2 K3A-D0-390-005, "Fuse Sizing Technical Document", March 2011.
3 임성빈, "Background for definition of the LCL trip-off limit", IOC, Feb. 2009.
4 서현석 et al., "과도 열 해석을 이용한 Power FET 열 특성 분석에 관한 연구", 항공우주학회, KSAS07-3238, pp.1733-1736, 2007.
5 Muhammad H. Rashid, Power Electronics Circuits, Devices, and Application, Second Edition, John & Wiley Sons Ltd. 1982.
6 AN-949, "Current Rating of Power Semiconductors, Application Note", IR.
7 PD-94283C, IRHMS597160 Data Sheet, IR, 2005