挠性叶轮泵输送粘性流体的关键之处在于流速和水泵转速成正比。
Flexible impeller pump viscous fluid conveying the key lies in direct proportion to flow rate and pump speed.
高负荷时通过改变给水泵转速改变给水量，用三冲量系统控制汽包水位。
At the high load condition, change the rotating speed of steam or electricity feed water pumps to ensure the water level of the drum.
提出了各阶段水泵转速试验选优、机组开机台数线性整数规划优化的方法对模型进行求解。
The method which took the pump speed for experimental optimization, the quantity of operation units for linear integer programming was proposed to solve the model.
分析结果表明，对于常用的水系统控制方式而言，水泵转速（流量）比与轴功率比的三次幂关系不成立；
The results show that for the common pump control methods, the third power relation between the pump rotate speed(water volume) ratio and the shaft power ratio is not true;
对该复杂系统最优化问题，提出了各时段叶片安放角正交试验选优、水泵转速动态规划模型优化的试验选优方法。
To optimize this complicated system, we put forward a method that optimizes the setting angle by orthogonal experiment and the pump speed by dynamic programming.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, economic efficiency is very important significance.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, improve cost-effectiveness of great significance.
大容量、高转速水泵水轮机主轴密封相对常规水轮机主轴密封更容易发生故障。
The main shaft seal of pump turbines with large capacity at high rotational speed is more liable to failure as compared with that of conventional pump turbines.
研究结果表明，利用该方法可达到通过控制转速和开启台数实现排水泵站节能降耗的目标。
The results indicate that the target of energy saving can be achieved by controlling the pumps speed and amount.
在一定转速下，以流量为变量，也就是如果改变水泵的流量，则水泵的扬程、功率和效率等都随之而变化。
Under a certain speed in order to flow variables that is if the change of the flow pump the pump head power and efficiency of all subsequent changes.
论述了某烧结厂浊环水泵供水系统 ，根据其工艺特点 ，采用压力传感器及智能调节器组成压力闭环系统 ，控制变频调速器 ，从而调节电机———水泵之转速 ，维持供水压力为恒定 。
This paper introduces the application of general inverter in the coal dust supply closed loop control system of power station, which consists of relevant transducer and intelligent controller.
论述了某烧结厂浊环水泵供水系统 ，根据其工艺特点 ，采用压力传感器及智能调节器组成压力闭环系统 ，控制变频调速器 ，从而调节电机———水泵之转速 ，维持供水压力为恒定 。
This paper introduces the application of general inverter in the coal dust supply closed loop control system of power station, which consists of relevant transducer and intelligent controller.
应用推荐