YZYKK, YZYKS series positive pressure shell type high voltage three-phase asynchronous motors are explosion-proof series products designed and manufactured by our company using international advanced technology and combining with our company's decades of practical experience in producing high voltage motors. This product has the advantages of compact structure, light weight, high efficiency, energy saving, low noise, low vibration, high reliability, long service life, easy installation and maintenance, etc. Its positive pressure explosion-proof technology is the first in China, the motor adopts the internationally famous air exchange and leakage compensation system, to ensure that the motor starts, Motor effectively after the replacement of combustible gas in its inner cavity (otherwise device signal interlock do not allow the motor car), the driving device is given signal, motor automatically enter a state of leakage compensation, compensation during running the system automatically maintain lumen suitable pressure, prevent combustible gas from entering the shell inside, when the pressure is low or the loss of pressure, If the normal leakage compensation cannot be guaranteed, the system will automatically alarm to cut off the system power supply or send out an alarm. Through the above measures, the reliability of the motor is further improved, and the perfect combination of automatic control and comprehensive protection is realized.