Detailed method of the constant pressure control by frequency converter is described.
介绍了采用变频调速实现恒压控制的详细方法。
The paper presents the system design method and control process of applying frequency converter to realize water provision in constant pressure for high building.
本文介绍了用变频器实现高层建筑恒压供水的系统设计方法和控制过程。
This paper presents a method of keeping press of mixing gas pressure constant with the use of fuzzy control.
本文介绍了利用模糊控制技术对混合煤气加压机这种非线性系统进行恒压控制的方法。
Through application of frequency converter in constant pressure water supply system, the paper describes the economic feature and advantages of adopting AC frequency conversion speed control method.
通过变频器在恒压供水系统中的应用，阐述了采用交流变频调速控制方案的经济性和优越性。
Factors affecting constant pressure difference control method and advantages and disadvantages of the control plan are analyzed theoretically through pipe system head curve and pump performance curve.
根据管道水力特性曲线与水泵的性能曲线，运用理论分析的方法，对影响末端定压差控制方式的因素和该控制方案的利弊进行了分析。
Factors affecting constant pressure difference control method and advantages and disadvantages of the control plan are analyzed theoretically through pipe system head curve and pump performance curve.
根据管道水力特性曲线与水泵的性能曲线，运用理论分析的方法，对影响末端定压差控制方式的因素和该控制方案的利弊进行了分析。
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