PWM变频调速系统在粘胶基碳纤维生产中的应用

PULSE WIDTH MODULATION (PWM) FREQUENCY CONVERSION SYSTEM USED IN CARBON FIBER PRODUCTION

本文针对粘胶基碳纤维生产工艺对调速系统的要求设计了碳纤维生产线交流电动机变颠调速系统并分析了该调速系统的性能。由于系统采用具有高频率分辨率的PWM(脉宽调制)变频电源以及恒最大转矩的控制方式,使整个碳纤维生产线能在低速条件下稳定运转。文中对电动机变频调速的机械特性进行了计算和实测,两者结果一致。

Based on the analysis of requiremets for rayon carbon fiber production, alternating current motor frequency conversion system (PCS) was designed and the mechanical properties of the system was analysed. The results showed that(PWM) PCS could meet all of the requirements for rayon carbon fiber production line, since the control system had contravariant PWM , high FC power resolution and maximum twisting moment. The results also showed that the mechanical properties of PWM calculated were well agreed with that determined.