- drainage and irrigation station
- irrigation and drainage pumping station
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排灌站的英文
例句与用法
- Through the combination of the theory and practice , the necessity about economical operation of pumping station is more explicate than ever
通过理论与实际的结合，进一步明确了排灌站经济运行的必要性。 - On the point of system , this paper mainly studies the optimal distribution of load in the machines of irrigation and drainage pumping station , the mathematical model and it ' s solution are studied among the machines in pumping station with two types of axial pump : full regulation or semi - regulation . this paper also studies the problems of the optimal day - operation of pumping station and the economical operation of grading pumping station . at the end , jiangdu pumping station is taken as a practical example to show the theory on economical operation of irrigation and drainage pumping station
本文从系统的观点出发，以排灌站机组间负荷的优化分配研究为主，分别对全调节和半调节轴流泵两种泵型的排灌站机组间负荷优化分配的数学模型及其求解方法进行了研究，同时对排灌站最优日运行方式及梯级泵站的经济运行也进行了初步探索，最后以江都排灌站为例，建立了排灌站经济运行的实用模型。 - Mainly , the type of pump in the large - scale irrigation and drainage pumping station in our country is adjustable - blade propeller pump . we can regulate the pump ' s blade mounting angle following the variation of water level at the inlet and outlet of the station in order to control the discharge of pump , we also determine the number of running machines with machine ' s optimal combination . so we can reduce its energy consumption , and make it optimally and economically run
我国大部分大型电力排灌站所安装的泵都为可调节叶片的轴流泵，这一有利条件使我们可以根据排灌站进、出口水位的变化来调节水泵的叶片角度，控制水泵的流量，并合理的确定开机台数，通过机组间的优化组合，使整个泵站的能耗最少，达到整体最优、经济运行的目的。 - China is a large country with complex natural conditions . there are much inconsistency between the distributing of water resource and the requirement of industry , agriculture and life on time and space . pumping station is very important in the delivery , supply of water resource , especially the large - scale irrigation and drainage pumping station , which has very important contribution in fighting droughts and waterloggings
我国地域辽阔，自然条件复杂，水资源在时间和空间上的分布与工农业及生活的用水需求存在很多矛盾，泵站在水资源调配及工农业供水等方面起着十分重要的作用，尤其是泵站中较典型的大型排灌站，在抗旱排涝、减轻灾害中发挥着巨大的功能。 - Abstract : this paper discusses the method of adjustable speed driving with bi - directional power transferring converter for motors used in draining and irrigating pumps , a control strategy is proposed to realize super / hyper synchronous speed running with ac - ac converter , and a design for the driver is given based on 16 bit micro - controller
文摘:针对农用电力排灌站电机调速改造问题，讨论了双馈调速实施方案，提出了采用交交变频实现超/低同步调速的一种控制方法，给出了以高性能16位单片机为核心的双馈调速控制系统软硬件设计