Submersible pump motor overload heat causes

Submersible motor overload motor fever reasons: 1, friction between the impeller and the pump, impeller is too large. 2, the liquid density problem, the density is too large or mud will lead to overloading motor overload, the measured medium density is greater than 1.3, or even reach 1.5 ~ 1.6; and motor power richness coefficient is small (usually 1.05 ~ 1.2). 3, the impeller blockage in the pump body, the silt deposition in the pump body, the impeller is caused by braking overload. 4, the rotor shaft hole clearance and the gap of the impeller mouth ring was sand filled rotor shaft overload caused by braking. 5, motor power than the actual small, individual manufacturers to reduce the motor power. 6, did not strictly follow the international ISO 9906 or the current domestic standards of manufacturing.

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