采用变频调速系统可以满足熔体纺丝对电气传动的要求。
By using the frequency converting speed regulating system the requirements of melt spinning on electric transmission were satisfied.
变频调速技术已成现代电气传动的中枢，也是现代化纤行业必备的工艺技术。
The frequency change and speed adjusting has become the backbone of modern electrical transmission and it is the necessary technics of modern chemical fibre industry.
文章主要介绍具有位能性负载特点的港口及船舶起重机械电气传动中交流变频调速技术的应用及发展趋势。
This paper introduces application and developing tendency of AC speed control technique by changing frequency in crane's electrical diving of port and Marine based on potential energy load.
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