关键词：PWX9智能调节器；变频调速；PLC控制；升降速曲线 [gap=576]Keywords：PWX9 mental contyolling；Variable—frequency speed governing；PLC controlling；Reducing speed and raising
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The variable frequency constant pressure automation water supply system is the mechanical and electronic integration system that adopts the AC variable frequency speed governing and PLC technology to achieve the automatic water supply.
变频调速恒压供水系统是采用交流变频调速技术和PLC技术实现自动给水的机电…体化供水系统。
参考来源 - PLC在厦门航空港生活区恒压供水系统控制中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
The technology of variable frequency speed governing was used in the driving system of the experiment stand. And the advanced stepping digital overflow valve was adopted in the part of loading.
该试验台的驱动系统采用交流变频调速技术，加载部分采用先进的步进式数字溢流阀进行加载。
Around increasing system reliability, the electrical circuit and function of variable frequency speed-governing system is discussed in this paper.
围绕着提高系统可靠性，讨论了变频调速系统的电气接线及功能。
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