FBM219

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FBM219

FBM219 简介：

手动
当压力传感器故障或变频器故障时，为确保用水，六台泵可分别以手动工频方式运行。
实施效果
实际运行证明本控制系统构成了多台深井泵的自动控制的经济结构，在软件设计中充分考虎变频与工频在切换时的瞬间压力与电流冲击，每台泵均采用软起动是解决该问题关键。变频器工作的上下限频率及数字PID控制的上下限控制点的设定对系统的误差范围也有不可忽视的作用。
采用变频恒压供水，了主管网压力波动，保证了供水质量，而且节能效果明显，并延长了主管网及其阀门的使用寿命。

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