Compared with other motors, the motor supporting the water pump is destined to face some special tests because of the particularity of the environment and load. If the environment of the pump is relatively clean and stable, the negative impact on the motor will be small, and if the pump operating environment is poor, it is very likely to cause accidents during the operation of the motor.
If the environmental pollution of the pump is serious, it is likely to lead to the overload problem of the motor, and the pump used for sewage treatment may cause the impeller of the pump to rotate normally due to the presence of sludge and debris in the medium treated, and the direct consequence is that the load dragged by the motor increases, and the problem of overload or even stall occurs in serious cases, therefore, the motor overload protection of this kind of working condition is very necessary.
The guarantee of the protection level of the motor is very important. For most of the motors supporting water pumps, the surrounding environment is generally humid, and some are even polluting, so the selection and guarantee of the protection level of the motor is very important; The key parts and materials of the motor must have anti-rust function, especially the parts that are in direct contact with the liquid, must be treated in place to prevent the occurrence of rust problems.
Reliability assurance of the bearing system. A repair unit undertook several sets of vertical motors specially equipped with water pumps, the main performance of the fault is concentrated in the rust of the bearing system and the pollution of the winding, after professional inspection and analysis, necessary measures have been taken in the sealing of the motor bearing system and the matching of parts, and the problem has been completely solved.
According to the matching structure of the motor and the pump, there are special requirements for the protection level of the motor, magnet wire, etc., for example, some magnet wires are in direct contact with the liquid, and its insulation performance is also an important part of the ordinary motor.
Motor start control. In the actual application process of the water pump, starting is an important content, the motor starting and water adjustment matching is very critical, the choice of power frequency motor or frequency conversion motor, is also very particular, the application must start the key information and the motor designer to fully communicate, to avoid unnecessary trouble.
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