The invention provides a spacecraft high-voltage distribution power and current sampling circuit which comprises a power drive circuit and a current acquisition circuit, the power drive circuit is connected with an external high-voltage bus, and the current acquisition circuit is connected with the power drive circuit. The power driving circuit realizes on-off control of a field effect transistor and has a working state acquisition function, and the current acquisition circuit is used for acquiring total current on a path when supplying power to a rear-end load so as to realize real-time monitoring of power utilization of the load. According to the invention, 0-300V wide-voltage high-power power supply control can be effectively realized through low-voltage driving, and meanwhile, functions of high-voltage power supply state monitoring and load current acquisition are realized, so that the safety and reliability of high-voltage power supply and distribution of the spacecraft are greatly improved.

    本发明提供了一种航天器高压配电功率及电流采样电路,包括:功率驱动电路和电流采集电路,所述功率驱动电路与外部高压母线连接,电流采集电路与功率驱动电路连接。功率驱动电路实现了场效应管的开关控制,同时具备工作状态采集功能,电流采集电路用于给后端负载供电时,采集通路上的总电流,实现负载用电实时监测。本发明能够有效通过低压驱动实现对0~300V宽电压大功率供电控制,同时具备高压供电状态监测和负载用电电流采集功能,大大提高了航天器高压供配电的安全性和可靠性。


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    Title :

    Spacecraft high-voltage distribution power and current sampling circuit


    Additional title:

    航天器高压配电功率及电流采样电路


    Contributors:
    QU WEI (author) / DING FENGFENG (author) / SONG WENLEI (author) / ZHANG ZHAO (author) / WU MEIWEN (author)

    Publication date :

    2022-07-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B64G Raumfahrt , COSMONAUTICS / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES



    Current Collection by High-Voltage Spacecraft

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    Isolated high-voltage sampling circuit

    JIANG BING / ZHENG FUHUI / CHEN BINGEN | European Patent Office | 2020

    Free access

    Spacecraft high-voltage power supply construction

    Sutton, J. F. / Stern, J. E. | NTRS | 1975


    Spacecraft High-Voltage Power Supply Construction

    J. F. Sutton / J. E. Stern | NTIS | 1975