CAN bus anti-interference electric propulsion power control unit

The invention discloses a CAN (Controller Area Network) bus anti-interference electric propulsion power control unit, which belongs to the technical field of telecommunication and comprises a lower computer circuit and a power circuit, the lower computer circuit is in data interaction with a satellite service secondary ground, the power circuit is connected with a structural ground, and the lower computer circuit comprises a communication ground, a signal ground and a telemetering acquisition ground which are in data interaction with the satellite service secondary ground. The power circuit comprises a primary ground, a transformer isolation module and an isolation DCDC connected with the primary ground, a power supply ground connected with the transformer isolation module, a control ground connected with the isolation DCDC and the power supply ground, and a high resistor connected with the power supply ground and a structural ground; the telemetering acquisition ground is connected with the pressure transmis