The withstand voltage test is a test of the insulation performance of the motor during the production and processing of the motor winding and the test of the whole machine product. The standard for qualification is whether the motor is not b ...

　　The number of rotor poles of a motor refers to the number of magnetic poles on the motor rotor; the number of rotor poles of a motor affects the motor speed and torque. For cage-type motors ...

　　1. Increased safety explosion-proof motors are widely used in flammable and explosive hazardous places, and their explosion-proof performance is closely related to safe production. At present, a large number of increased safety explosion-pro ...

　　The explosion-proof frequency converter motor is a type of explosion-proof motor product and is the basic power equipment for industrial agriculture. With the rapid development of electronic technology, the AC speed regulation method of "exp ...

　　In industry and manufacturing, high-pressure centrifugal pumps are widely used for operations such as conveying liquids, increasing pressure, and performing process treatments. The operating efficiency and reliability of high-pressure centri ...

　　The quality of cast aluminum rotors affects the efficiency, power factor, and starting and running performance of motors. In order to comprehensively improve the quality of rotors, it is necessary not only to analyze the defects of cast alum ...

　　① Full-voltage direct starting When both the grid capacity and the load allow full-voltage direct starting, full-voltage direct starting can be considered. Advantages: convenient operation and control, simple maintenance, and relatively ...

　　Equipment failure refers to the situation where the equipment cannot work properly or its performance deteriorates due to various reasons during operation. Equipment failure may be caused by many factors, such as: 1. Equipment aging: wear an ...

　　1 What is inter-turn fault? The same winding is made up of many turns of wire. If the insulation is not good, a short circuit will occur between the superimposed coils, which is equivalent to a part of the coil being directly short-circuited and not w ...

　　1. Single-layer windings Definition: A winding with only one effective coil side embedded in each stator slot, and the total number of coils is half of the total number of slots in the motor. Advantages: a. The winding has fewer coils and ...