1, axial fans have a strong vibration or sound grazing; 2, motor current suddenly rise and exceed the rated motor current; 3, a sharp rise in the temperature of the motor bearings. Reasonable choice of axial fan motor starting method form, must be based on the capacity of the supply network, the mechanical load on the starting torque requirements, the characteristics of the motor itself and other factors axial fan 380, specific analysis, in order to obtain the specified start time. For example, a large capacity of the grid size of axial fans, the motor starting current does not cause a significant voltage drop in the power line, in addition, the grid lines and equipment allow short-time control through a sufficiently large starting current, can use the total pressure start; if the fan in the starting torque is not required, and not in terms of grid capacity is relatively large electric motor, the main consideration how to reduce the starting current and the use of vacuum starter. 380 axial fans, axial fans, ventilation equipment from Plumper Plumper Shandong Dezhou ventilation plant. Dezhou Plumper ventilation plant (www.frtfsb.com) strong, credible, in Dezhou fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Plumper ventilation equipment into the brilliant and you work for a better future!