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消防维修消防泵的两种控制方式分析

摘要:
采用压力信号控制方式,能真实反映消防泵机组的实际工况,开关信号可靠性高。无论是电机故障还是水泵故障,只要消防泵出水管压力没有达到一定的压力值,主备用消防泵都需要及时切换。然而,压力信号控制方法也有其缺点。当消防供水系统实际出水量较大时,消防泵出水管压力会下降,容易导致消防泵压力开关信号误操作,停止一个消防泵的工作,切换到另一个消防泵的启动。泵切换和重启需要一些时间。这样,势必会造成消防供水中断,延误消防工作。此外,压力信号控制方法还可以考虑电机的保护功能,如短路、过载、过压、断相、欠压、过热等。在电路设计中。

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