| 摘要 |
<p>The system has a power supply modules set (50) whose number of power supply modules (52) is greater than a minimum number needed to activate an electrical equipment (62) of an electrical equipments group (60) to provide an emergency module (52s). A selector circuit (70) is inserted between outputs of the modules and the group. A central control unit of a control device controls the modules and the circuit to activate each equipment by connecting the unit to one of the modules. The unit puts the emergency module into service in the event of a failure detected in one of the other modules.</p> |
