Electrical power transmission system of a vehicle.

摘要

The invention concerns an electrical power transmission system of a vehicle, for delivering electrical power from an electrical power source (2) to an electrical appliance (3). A circuit breaker (55) is connected between the electrical power source (2) and a first conductor (5.01), which is further connected to the electrical appliance (3). The electrical power source (2) and the electrical appliance (3) are connected to the chassis (1) of the vehicle. A second conductor (5.02) is connected between the circuit breaker (55) and the electrical appliance (3). A first current sensor (56.1) is arranged to sense a first current in the first conductor (5.01) and a second current sensor (56.2) is arranged to sense a second current in the second conductor (5.02). An analysis and control unit (57) is arranged, in order to analyze the first and the second current and to control an operating state of the circuit breaker (55) and/or to indicate a fault state based on the analysis of the first and the second current.