A key factor affecting the high efficiency of three-phase asynchronous motors. 1. Large copper loss of motor stator Large stator winding resistance: (1) The wire resistivity is large or the wire diameter is small, the wire diameter is uneven or the n...
The high voltage variable frequency motor will be mechanically worn due to electromagnetic vibration, corona corrosion and heat generation due to electromagnetic vibration, high temperature and high voltage for a long time, which will cause the overa...
Motor torque is the basic load form of various working machinery drive shafts, and is closely related to factors such as power machinery's working capacity, energy consumption, efficiency, operating life, and safety performance. Shandong Shenghua var...
A common influence of voltage unevenness on the operation of a motor. 1. Effect on motor current The negative sequence component of the unbalanced voltage generates a magnetic field in the air gap of the motor that is opposite to the rotation of the ...
Reasons for measuring variable-frequency speed-regulating motors and their variable-frequency systems Mainly because of the large number of motor systems in the daily production of the factory, and its safe operation is essential to the normal produc...
Common faults in the use of variable frequency motors. With the development of the motor industry, the application of variable-frequency speed-regulating motors has gradually become popular, especially in the fan industry, water pump industry and oth...
Working principle and applicable working conditions of electromagnetic speed regulating motor The electromagnetic speed-regulating motor consists of a single-speed or multi-speed squirrel-cage asynchronous motor and an electromagnetic slip clutch. It...
Causes of vibration of variable frequency speed motor There are many factors that cause the vibration of variable frequency motors, such as rotor balance problems, bearing lubrication problems, electromagnetic scheme problems, electrical failure prob...
