| 1. | Guide for assembly and test technology of runner of kaplan turbine 转桨式转轮组装与试验工艺导则 |
| 2. | The computation results are satisfying and prove that adjustable - blade pump on - line autoregulation can be done with good accuracy and convergence in realtime 计算结果表明,转桨泵进行在线自动调节具有很好的实时性、精确性,收敛性也较好。 |
| 3. | The all hinge of riverbed power station of the kaplan turbine ' s transient is studied in this paper whose background is the water hinge of power station in sha potou on the yellow river 本文以黄河沙坡头水利枢纽电站系统为工程背景,对转桨机组河床迳流式电站全枢纽系统进行了过渡过程的数值模拟研究。 |
| 4. | A pcc based stepping motor driven dual control governor for kaplan turbine is presented in this paper . the governor adds the function of adaptive control of blades and radius basis function cam network based on the current pcc based stepping motor driven single control governor 该调速器在当前pcc步进式水轮机单调整调速器的基础上引入了桨叶自适应控制和基于rbf网络的协联装置,可定期对转桨式水轮机协联关系进行自校正,保证水轮机始终运行在较高效率区。 |
| 5. | The axial flow type turbines are available for hydrauric power resources of medium and low heads . ganfa manufactures both the propeller type fixed blade type and the kaplan type adjustable blade type turbines . the propeller type turbines are suitable for hydropower stations with small or medium capacities and heads , and relatively stable loads . the kaplan turbines are suitable for hydropower stations with medium or large capacities and heads , and relatively unstable loads 轴流式水轮机适应于开发中低水头水力资源。我公司生产的轴流式水轮机按转轮结构分为定桨zd转桨zz两种,定桨式一般适用于中小容量及水头负荷变化较小的的水电站转桨式多用于大中型电站及水头负荷变化较大的水电站。 |
| 6. | In this paper , some off - line manual methods for regulation of flow equation have been compared and analyzed . based on pid speed governor of turbines , two kinds of governors are designed for adjustable - blade pump , which can perform autoregulation on water height of the fore bay and on pump output by adjusting the blade angle of adjustable - blade pump . the computation models of the two kinds of governors are also offered and the transient simulation can be done on pc 文中,比较分析了现有的多种离线手动调节流量平衡的方法,在水轮机pid调速器的基础上,针对转桨泵设计了两种新型调节器,通过改变转桨泵的叶片安放角,分别能对泵站前池水位和泵的输出流量进行自动调节;提出了两种新型调节器的计算模型,使转桨泵在线自动调节动态仿真得以在微机上得以实现。 |
| 7. | For getting the runner characteristics more correctly , researching the representation of runner characteristics of the kaplan turbine in this paper , and using this method of modifying runner characteristics to calculate the transient of hydraulic power station . improving the calculating model of the axial thrust in the kaplan turbine ' s transient . base on the theory of screw propeller without any boundary , using the theory of screw propeller with pipe , and the formula to calculate the dynamic axial thrust during transient is developed 本文对转桨机组在过渡过程中的桨叶划水产生水推力的数学模型进行了改进,在原来使用无边界螺旋桨进行等效的基础上,使用了导管螺旋桨对转桨机组中的桨叶划水进行等效,并且比较详细的分析了影响转桨机组轴向水推力的各个因素,以及给出了动态计算轴向水推力的公式,通过计算表明,使用改进后的动态水推力计算模型得到的结果能较好的反应实测的动态轴向水推力。 |
| 8. | The numerical simulation for adjustable - blade pump on - line autoregulation in diversion works has been studied in this paper whose background is modification works of dongjiang - shengzhen diversion works . the problems include autoregulation on water height of the fore bay in single pump station , autoregulation on output of adjustable - blade pump in single pump station , and autoregulation on flow equation of multilevel pump stations 本论文以东江深圳供水改造工程为背景,对输水工程中应用转桨泵进行在线自动调节数字仿真进行了研究,其中包括单级泵站中对前池水位进行自动调节,单级泵站中对转桨泵的输出流量进行自动调节,以及多级泵站输水系统流量平衡自动调节。 |
| 9. | Building up the math - model of transient for the all hinge of riverbed power station with the kaplan turbine , building a simulation software for this kind of system and calculate the transient which take into account the effect of the ground swell on the riverbed . this program also can calculate the different kind of the kaplan turbine 针对转桨机组河床迳流式电站的枢纽系统,建立了全枢纽过渡过程的计算模型,并且编制了相应的计算程序,进行了计及河床涌浪的全枢纽系统的过渡过程仿真计算,该程序能对同一枢纽中含有不同型号机组的电站同时进行过渡过程计算。 |