本文介绍了交流变频技术在新型纺织设备及老机改造中的应用、交流变频技术应用的必要性、可行性及性价比分析。
This article introduced the application of frequency converters on the novel cotton spinning machines. The necessity, feasibility and cost-performance were analyzed.
在中央空调的应用过程中，冷冻水一次泵变频技术得到了广泛的研究。
In the application of central air-conditioning, the technology of variable-frequency primary pump has been widely studied.
该变频技术在新日铁、宝钢等钢厂轧机主传动系统的应用，产生了巨大技术和经济效益。
Great technical and economic benefit were obtained by applying it to the main drive of rolling mills in Nippon steel and Baosteel.
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