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Reasons for overcurrent short circuit in square cooling tower

by:Kehua     2022-09-23
The square cooling tower has an overcurrent short circuit during use. The square cooling equipment manufacturer will tell you the following reasons: 1. The cooling tower equipment is overloaded, so that the pump motor runs at the rated current or over-rated current for a long time. In particular, it should be noted that the starting current of the cooling tower water pump motor is 3-5 times the rated current, so try to avoid running the equipment with load or full load when starting the equipment (mainly depends on the rated current of the pump motor and the matching of the normal operating current 2. The water pump motor of the square cooling tower works in a humid working environment. The cooling tower should check the ground insulation and phase-to-phase insulation of the coil before starting the pump motor. The insulation requirements of different voltage levels are also different, and you can refer to the relevant standards for inspection. During the operation of the pump motor, attention should be paid to the waterproof and moisture-proof of the pump motor. 3. The mechanical failure of the cooling tower pump causes the pump motor to be overloaded, and the current is too large to burn the coil. 4. There is a problem with the heat dissipation of the water pump motor of the square cooling tower. Generally, the water pump motor coil adopts an air-cooled shell, and the cooling tower submersible pump is a water-cooled shell. Large-scale water pump motors are mostly cooled by air-air heat exchangers and air-water heat exchangers. If the cooling water (air) is cut off so that the coil cannot dissipate heat, the coil may be burned.
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