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High-Power Battery Discharge Regulator for Space Applications

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8 Author(s)
Sanchis, E. ; Dept. of Electron. Eng., Univ. de Valencia, València, Spain ; Maset, E. ; Ferreres, A. ; Ejea, J.B.
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This paper presents a new solution for a battery discharge regulator for high-power space applications (power-per-module ≥ 5 kW) using a high-efficiency step-up converter. Basic requirements are efficiency that is higher than 97%, mass that is lower than 2.5 kg, no galvanic isolation necessary, and a high mean time between failures. By taking into account all these parameters, the selected topology has been two interleaved boost converters with passive soft switching. Small-signal analysis of these two interleaved boost converters is also presented.

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Industrial Electronics, IEEE Transactions on  (Volume:57 ,  Issue: 12 )