Analysis of high current after the centrifugal pump starts automatically
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I would like to ask: why is the current high after the standby pump starts operating? The pump that was in use before is basically not working at all. How can this be explained?
I haven’t encountered this situation; come and learn *it.
After the pump starts operating automatically, the current level is high; can it operate stably? Are the parameters of the standby pump and the regular pump exactly the same, and are they connected in parallel? How is it determined that the originally operating pump is not functioning properly? View mirror? Pressure? Current? Is it still a flow meter? Generally, the operating flow rate of a centrifugal pump is directly proportional to the current value; a high current indicates that the flow rate of the pump is high. Others. . . Your question isn’t clear enough, so I can’t explain it
Is the original pump not functioning properly and is still flowing in reverse? In that case, the backup pump will have a high flow rate; shut off the outlet of the original pump and see what happens