Submersible pump takes too much current?

Submarine pump use stability will affect the efficiency of drainage, submersible pump current stability control is to maintain its smooth work of the necessary measures. However, the use of submersible pumps will inevitably occur in point problems, such as the ammeter in the operation of the pointer swing, so why has these problems?

How to solve them?
The reason why submersible pump has the above situation as following:
 1.Due to the moving water level down below to the water level, causing the pump gap water. The main reason is that the submersible pump flow is too large or the depth of the well is not enough. The measures that should be taken are:
 ①First,turn down the valve on the water pipe, reducing the flow of the pump, so that the moving water level down, submersible pump inlet is always located under the water.

 ②Increase the submersible pump downhole depth to the moving water level decline, the submersible pump inlet is always located under the water.

 2.Another reason is the submersible pump rotor damage caused by the motor can not work properly, resulting in decreased speed, pump flow, lift reduced, so the ammeter pointer swing. At this point the treatment is to replace the rotor.
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