National Space Science Center
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Facility Space Environment Effects Analysis Package，SEEAP Spacecraft Internal Shielding and Dose Analysis Software Space Radiation Effects Database for Electronic Parts，SREDB Spacecraft Charging & Discharging Simulator Pulsed Laser Single Event Effects Facility Cf-252 Single Event Effect Facility Space Plasma Simulation Facility，SPLASF Space Particulate Impact Facility，SPIF Low Energy Particles Irradiation Facility Atomic Oxygen Simulation Facility，AOSF Ultraviolet Solar Simulator
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Spacecraft Charging & Discharging Simulator

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                                      （main part of the simulation facility）

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                        （some measurement devices and experimental results）

  Main function：

For spacecraft materials, components, devices and circuits

  •     Deep charging & discharging experiments of space materials by energetic electrons

  •     Deep charging & discharging experiments of satellite components by energetic electrons

  •     Experiments for effects of deep discharging pulses on satellite devices and circuits


Major capability：

  • vacuum degree: lower than 10-5Pa ，capable of continuous running for several months

  •  experiment temperature: ranges from -60℃ to +100℃（±1℃）

  •  Irradiation sources：Sr90 radioactive source (0.1—2.2MeV continuous electron spectrum，similar to the MEO and GEO electron environment in radiation belt，irradiation intensity is adjustable from （1 pA/c㎡ adjustable from 5 to 100 keV，and intensity from several 10pA/cm2 to 10mA/cm2)；

  •  Measured parameters: surface potential, leakage current, discharge current pulse, discharge electric field pulse, material conductivity, signals of devices and circuits for satellite application.