The YVP series variable frequency speed regulation three-phase asynchronous motor is specially designed to cooperate with various high-performance IGBT pulse width modulation frequency converters at home and abroad, and generally does not require an external filter when used. The YVP series variable frequency speed regulation three-phase asynchronous motor combines the advantages of similar products at home and abroad, and is designed using computer-aided design technology. In order to adapt the motor to the power supply of PWM variable frequency power supply, special considerations have been made in the design of dual stator, rotor slot shape, and stator winding distribution form, in order to obtain a more suitable inductance value to suppress and reduce the adverse effects of time harmonics and a series of motor spatial harmonics caused by them. The electromagnetic load design of the motor also considers a certain margin, which can ensure the loading capacity of the motor at high frequencies and maintain constant torque output at low frequencies.
The design of insulation structure for YVP series variable frequency speed regulation three-phase asynchronous motor considers the influence of high chopping frequency of PWM frequency converter using IGBT. Especially for inter turn insulation, in order to withstand the severe test caused by the steep impact voltage repeatedly applied between the turns of the coil due to the high voltage rise rate, vacuum immersion insulation treatment is adopted.

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