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应用变频调速技术于恒压供水的实践中，并用实验方法全面地研究了控制对象（水泵）的特性及其对系统的影响，分析了以压力为控制参数的系统节能效率，并对测量压力的不确定度进行了评定。
Applying variable frequency speed control technology to constant pressure water supply practice, and using experimental methods to comprehensively study the characteristics of the control object (water pump) and its impact on the system, analyzes the energy efficiency of the system with pressure as the control parameter, and measures the pressure The uncertainty was assessed.