Electric propulsion power supply full backup switching circuit and switching method
A switching circuit and electric propulsion technology, which is applied to mechanical equipment, thrust reversers, aerospace equipment, etc., can solve problems such as failure of electric propulsion systems and spacecraft failure
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[0052] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0053] A full-backup switching circuit and switching method for an electric propulsion power supply of the present invention, the circuit includes: a high-voltage relay switching circuit, a fault isolation circuit, a command circuit, a telemetry circuit, and an input and output interface, and the switching circuit of the high-voltage relay is switched on and off by a spacecraft command The state setting is to transmit the output power of the electric propulsion power supply to a power output interface required by the switching command of the high-voltage relay after passing through the fault isolation circuit, and provide the telemetry information required by the spacecraft. This circuit overcomes the problem of low reliability caused by incomplete backup in the prior art, can realize the complete backup of the two electric propulsion ...
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