Frequency proof motor YBBP315S-2 YBBP series flameproof three-phase asynchronous motor inverter using computer-aided design, the motor is able to adapt to the situation SPWM and PWM inverter power supply, distribution form the stator, the rotor and stator winding groove in the design gave special consideration to achieve a more appropriate inductance value, to suppress and reduce the adverse effects of harmonics generated. Electromagnetic design of the motor load certain margin account, both to ensure the motor overload at high frequencies at low frequencies while maintaining the constant torque output. In addition, the motor insulation system used internationally widely used class F insulation system, insulation reliability and excellent performance. In structural design, install the same size and YB2 series motors, supporting the use of user-friendly. YBBP flameproof VVVF three-phase asynchronous motor is my company on the basis of YB2 series motor with the current new technology at home and abroad on the electromagnetic structure, processes, materials and other aspects of the development of successful new products, with good speed performance, energy efficiency, temperature margin, long life, good performance, low noise, advanced proof structure, high reliability and easy maintenance, etc., can be used with various domestic and international frequency devices supporting the use of energy-saving and helps automate control. Its rated power, rated speed and installed the same size and YB2 series motors. Frequency proof motor YBBP315S-2