Driving is mainly regulated by frequency converter, with high driving accuracy of synchronous belt.
主传动采用变频调速。同步带传动，传动精度高。
2
This thesis mainly discusses direct-driven permanent magnet synchronous wind energy conversion system (WECS) used back-to-back PWM converter.
本文以双pwm变换器控制的直驱式永磁同步风力发电系统为研究对象。
3
It is a high performance digital controller, which possesses a high resolution digital trigger, high precision synchronous interrupt pulses, and a high precision fast A/D converter.