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- 2025-01-06How to measure the insulation resistance of a motor
As the core power source in industrial production, the insulation resistance of the motor is a key indicator for evaluating the safety and efficiency of motor operation. The size of the insulation resistance is directly related to the workin ...
- 2025-01-03What is the function of lightning arrester on motor?
The arrester is a protective electrical appliance used to protect the power system from overvoltage hazards. The motor is equipped with a lightning arrester mainly to limit the phase-to-phase overvoltage ...
- 2024-12-31There are several types of hydraulic oil
ISO VG 22: Suitable for low temperature environments, such as lubrication systems in automobiles and industrial equipment. ...
- 2024-12-30There are two types of winding short circuits
The probability of motor failure is not too high, but due to the influence of various internal and external factors, heat and smoke often appear during operation. Generally speaking, the smoking motor may have burned out, but it may not have ...
- 2024-12-26Analysis of key conditions for direct starting of high-volta
As an important equipment in the industrial field, the stability and safety of the starting process of high-voltage motors are directly related to the operating efficiency and safety of the entire production line. Direct starting is a common ...
- 2024-12-25Brief analysis of the gelling process of high-voltage motor
The loose-embedded winding is formed while being embedded during the embedding process, and then the end of the winding is formed when it is completely inserted into the iron core. However, there is no shaping process during the embedding pr ...
- 2024-12-24What is the difference between self-cooling variable frequen
Motor self-cooling means that the motor rotor has its own fan blades, and the fan blades rotate together during the operation of the motor to play a cooling role. Forced cooling is forced cooling by the motor with an external cooling fan. ...
- 2024-12-23Motor should be equipped with a moisture-proof heating devic
During the shutdown period of the motor, on the one hand, the moisture in the environment will invade the inner cavity of the motor, and condensation will continue to accumulate on the surface of the winding; on the other hand ...
- 2024-12-20Notes on bearing lubrication
Most small motors have adopted double-sealed bearings (with "ZZ" after the bearing model). This type of bearing is pre-oiled and does not need to be re-oiled. ...
- 2024-12-19Why can't the motor be started frequently?
The starting current of the motor is 4 to 7 times the rated current. Such a large starting current will cause the motor to heat up seriously ...
