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water pumping
相关语句
  水泵
    A Research on Photovoltaic Water Pumping System and It's Control Strategy
    光伏水泵系统及其控制的研究
短句来源
    DIGITAL SIMULATION OF PHOTOVOLTAIC WATER PUMPING SYSTEM
    光伏水泵系统的数字仿真
短句来源
    Maximum Power Point Tracker of Photovoltaic Water Pumping System
    光伏水泵系统的最大功率点跟踪器
短句来源
    THE PWM INVERTER BASED ON SPACE VECTOR FOR PV WATER PUMPING SYSTEM
    基于空间矢量PWM法的光伏水泵变频控制系统
短句来源
    Inverter Based on DSP for PV Water Pumping System
    基于DSP的光伏水泵变频调速系统
短句来源
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  提水
    Minitype wind generation for water pumping test system
    小型风力发电提水试验系统
短句来源
    Wind water pumping and its meaning are summarized in the paper and the present situations and types of wind water pumping domestic and foreign are introduced.
    本论文对风力提水及其意义进行了概述,并介绍了风力提水机的国内外现状及其类型,主要研究了风力发电泵水系统的构成及其配置过程。
短句来源
    5. Some models for simulation and optimization of PV water pumping system are established and corresponding programs are given in this thesis.
    5.提出了光伏水泵系统的群控概念及其相应的拓朴结构,研究了相应的优化控制策略,设计并实现了现场总线通讯技术,进一步提高了群控系统的灵活性及提水效率。
短句来源
    The water pumping system uses Photovoltaic (PV) panels which produce electricity directly from sunlight using silicon cells and drive the pump through series of new technologies of electronics, motors, control units and different modern devices to bring water up from river, lake or deep well. Photovoltaic, mechanical and electronic theories etc.
    光伏水泵系统是直接利用太阳电池光生伏打效应发电,通过一系列电力电子、电机、水机等控制及执行环节从而在江河湖泊或深井中实现提水的系统,该系统涉及到光、机、电、控制技术等多种交叉学科。
短句来源
    The various system of wind water pumping was compared. Finally we decide to study the wind-electric water pumping.
    本文对现有的各种风能提水技术进行了分析、比较,决定对效率比较高的风电泵水系统进行进一步研究。
短句来源
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  “water pumping”译为未确定词的双语例句
    Application of VVVF in City's Water pumping Station
    浅谈变频调速装置在城市供水泵站中的应用
短句来源
    Improvement of Variable-Pole Speed Governing of the Y1250-12 Type Circulating Water Pumping Electric Machine
    Y1250-12型循泵电机变极调速改造
短句来源
    Staged-connecting Wind-electric Water Pumping
    分级接入式风电泵水系统研制
短句来源
    We used a wind turbine drive some electric pump. For every pump is staged connected with the wind turbine, so the system be called the staged-connected wind-electric water pumping.
    采用风力发电机驱动多台潜水螺杆电泵的系统,由于每台电泵是逐步接入系统的,因此该系统被称为分级接入式风电泵水系统。
短句来源
    When the system is working, the efficiency can fluctuate between the maximum and the minimum. For the system that equipped with 2.5KW wind turbine and four screw electric pumps, the maximum is 28%, and the minimum is 23%. If the pressure is equal, the flux of the staged-connected wind-electric water pumping is less than the system by adjusting the frequency to enlarge the wind speed range.
    与通过变频调节改善风能利用的风电泵水系统相比,效率有明显的提高,整个运行过程中,效率值在最大值和最小值之间波动,对于2.5KW风力发电机驱动4台潜水螺杆电泵的系统,由风力发电机发出电功率转化为电泵的水功率的最大效率为35%,最小值是23%。
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  water pumping
excavating of new canals and underground water pumping; 1500-1550, during the Sp?rer Minimum of solar activity; 1720-1830; 1250-1350, which was also a stormy period in the North Sea.
      
Automating the operation of water pumping stations
      
For the first time direct evidence of water pumping through a treated surface is presented.
      
The gas production is used for electricity generation, water pumping and heating, solid wastes drying etc.
      
In all of the tested runs the width of dispersion zone has reduced significantly due to brackish water pumping.
      
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This paper deals with the digital simulation and GAD program ITEPVP developed by the authors for PV water pumping system, which is one, of the largest users of PV system in the world. By using of ITEPVP, all interesting characteristic and relationship between any two variables in the simulated system can be shown by a PC compatable computer. The optimized PV water pumping system can also be obtained by connecting ITEPVP with optimization program ITEOPT. which will be discussed in the other article....

This paper deals with the digital simulation and GAD program ITEPVP developed by the authors for PV water pumping system, which is one, of the largest users of PV system in the world. By using of ITEPVP, all interesting characteristic and relationship between any two variables in the simulated system can be shown by a PC compatable computer. The optimized PV water pumping system can also be obtained by connecting ITEPVP with optimization program ITEOPT. which will be discussed in the other article. The program is quite helpful to the users.

本文扼要介绍了光伏水泵系统的一种数字仿真及CAD程序包ITEPVP。应用该程序可有效地在计算机上重现任一光伏水泵—管道系统中任意有意义变量之间的特性,若和优化程序配合使用,便可实现任意光伏水泵系统的优化设计。它是研究、发展光伏水泵系统的有力工具。

This paper reports the photovoltaic water pumping system (PVWPS) with maximum power point tracker (MPPT).The principle and implementation of the system are also disscussed.The authors also point out that the MPPT in a PVWPS is,of great significance.

本文扼要地介绍了配有最大功率点跟踪器(MPPT)的光伏水泵系统,并就MPPT的原理及实现方法进行了讨论,最后指出了最大功率点跟踪器对光伏水泵系统的影响。

This paper deals with the inverter especial for PV water pumping system. Basad on the modulation of voltage space vectors, the inverter has the function maximum power point track, and SPWM wave output. This system has satisfying performance as shown by the experimental results.

研究了专门用于光伏水泵系统的逆变器。采用电压空间矢量调节法,可使逆变器既具有最大功率跟踪的功能,又能输出SPWM波。实验证明,该方法使系统具有较好的性能。

 
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