Answer：Why are motors above 4kW connected in delta? Mainly to reduce load current. In general, high-power motors are connected in delta. In the case of the same power, the rated current of the 380V coil is three times smaller than the rated current o
Answer：The magnetic core is a sheet of magnetic material with high magnetic permeability. They are commonly used for field guidance in a variety of electrical systems and machines, including electromagnets, transformers, motors, generators, inductors and ot...
Answer：In order to improve the quality of motors, motor noise has been included as one of the quality assessment indicators in recent years, especially for the situation where the motor operating environment is in close contact with people , the noise of th...
Answer：The winding of the DC motor rotates in the DC magnetic field to induce an AC potential, and then the AC potential is converted into a DC potential through the commutation device.
Answer：Explosion-proof motor is a kind of motor that can be used in flammable and explosive places, and does not generate electric sparks during operation. Explosion-proof motors are mainly used in coal mines, oil and gas, petrochemical and chemical industr...
Answer：Motor winding welding is a key production process in the motor production process, such as the welding of the winding main line and the main line, the welding of the main line and the lead wire, the welding of the copper bar rotor guide bar and the e...
Answer：The generation of shaft current is due to the shaft voltage and closed loop, and it mostly occurs when the motor has shaft voltage, and the editor reminds that the shaft current will cause great damage to the motor bearing system, which will affect w...
Answer：Technological advancements are driving the global electrification process, so choosing the right motor for your powertrain is critical. Especially in the electric vehicle industry, the need to choose electric motors with higher performance and lower ...
Answer：Power factor and efficiency are very critical . The higher the power factor and efficiency indicators, the better. The design improvement scheme that can improve both power factor and efficiency indicators must be better. Motor designers with rich pr...
Answer：The coreless motor belongs to the DC permanent magnet servo control motor, and it can also be classified as a micro motor . The hollow cup motor has outstanding energy-saving characteristics, sensitive and convenient control characteristics and stabl...
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