Simulation and experimental verification of space fuel cell power supply subsystem output performance

doi:10.16708/j.cnki.1000-758X.2019.0025

Chinese Space Science and Technology ›› 2019, Vol. 39 ›› Issue (4): 18-.doi: 10.16708/j.cnki.1000-758X.2019.0025

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Simulation and experimental verification of space fuel cell power supply subsystem output performance

WANG Sen, LEI Wei-Jun, FENG Lei, LIU Jian, WAN Cheng-An

Beijing Spacecraft Co.， Ltd.，Beijing100190，China

Received:2018-12-29 Revised:2019-01-17 Published:2019-08-25 Online:2019-04-22

Abstract

Abstract: The relationship between the output characteristics of the proton exchange membrane fuel cell power system and the reactor pressure and temperature is systematically studied. Firstly, the mathematical model of the electric reactor is established and the relationship between the input and the output in Matlab/Simulink is studied. Secondly, the fuel cell discharge regulator(FCDR) is designed for aerospace applications. The simulation starts with connecting the FCDR and electric reactor, and the influence of the input on the output of the FCDR as well as FCDR′s ablity to maintain the bus voltage stable when the loads chang is studied. Finally, the experiments test the electric reactor′s and electric reactor subsystem′s simulations′ validity. The experiments prove the correctness of the simulation, providing a further insight into space fuel cell power systems. The power subsystem provides a firm foundation for the design of the whole power system.

Key words: fuel cell, output characteristics, simulation, electric reactor system, experimental verification, power system

WANG Sen, LEI Wei-Jun, FENG Lei, LIU Jian, WAN Cheng-An. Simulation and experimental verification of space fuel cell power supply subsystem output performance[J]. Chinese Space Science and Technology, 2019, 39(4): 18-.

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https://journal26.magtechjournal.com/kjkxjs/EN/Y2019/V39/I4/18

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Simulation and experimental verification of space fuel cell power supply subsystem output performance

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