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。
Spacecraft high-voltage distribution power and current sampling circuit
航天器高压配电功率及电流采样电路
2022-07-12
Patent
Electronic Resource
Chinese
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
British Library Conference Proceedings | 1993
|Spacecraft high-voltage power supply construction
NTRS | 1975
|Spacecraft High-Voltage Power Supply Construction
NTIS | 1975
|High voltage cabling for high power spacecraft
NTRS | 1981
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