Running conditions of parallel-connected variable and constantspeedpump are discussed using pump performance curve, and the correct switch steps are pointed out.
利用特性曲线对变速泵与定速泵并联运行工况进行了讨论,指出其正确切换步骤。
2
In this paper, disadvantages of using throttle to adjust and maintain water levels of deaerator and condenser in constantspeedpump condensate system were presented.
在恒速泵凝结水系统中,依靠节流调节维持除氧器和凝汽器水位存在种种缺陷。
3
At the same time, constant engine speed stabilizes output displacement of hydraulic pump and then stabilizes travel speed and vibratory frequency in turn, so that compaction quality is increased.