SOLUTION
Motor equipment industry
The wind turbine controller EC will adjust their speed according to the ambient temperature, the EC fan power is just the industry standard fan power 1/3, the utility model has the advantages of low noise, has now been accepted by the majority of users. Because of all the electronic equipment EC fan are embedded in a fan fan, fast flowing in the work of the air cooling fan of electronic equipment, but in the event of rain , because the wind machine electronic equipment temperature rise sharply and then stop, the pressure fell sharply to form negative pressure, in the electronic equipment and have the water inhaled risk.
Outdoor motor high-speed operation at normal temperature, caused rapid expansion of gas in a very short time in the motor, ,the expansion gas will spill outside the motor, but if rains when gas in the motor will be cold and then air shrink inside, dust will be inhaled in electric machine.
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