论文部分内容阅读
前言有两个主要因素影响水泵站的总效率1. 系统。2. 泵。系统不幸的是固定转速泵的特性与系统特性只相交于一点(图1)。起初选定了一台泵,它的特性与
Preface There are two main factors that affect the overall efficiency of a pumping station. Pump. Unfortunately, the system is characterized by the fact that the characteristics of the fixed speed pump intersect only with the system characteristics (Figure 1). At first a pump was chosen, its characteristics and