| 摘要 |
<p>The invention relates to a system (10) which includes at least one pump motor (11) and the load thereof engaging with a circuit (13). The engine (11) is supplied with current from an AC electrical network (14). The system (10) further includes at least one emergency electric DC source (15). The system (10) includes a speed changer (18) and an electronic control unit (18d) configured to trigger, without interruption, the supply of power to the pump motor (11) from the emergency electric DC source (15) via an inverter (18b) of the speed changer, when an anomaly is detected in the current or voltage supplied by the power network (14).</p> |
