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pole change
相关语句
  变极
     Design of multi-power pole change speed-regulating motor for ground drive screw pumps
     螺杆泵用多功率变极调速节能电动机设计
短句来源
     Application of the Controlling Pole Change Speed Regulation System for a Programmable Controller
     可编程序控制器控制变极调速系统的应用
短句来源
     This paper presents the basic principle of pole change speed regulation and the application of a pole change speed regulation system controlled by a programmable controller in the industrial production.
     介绍了变极调速的基本原理和一种可编程控制器控制的变极调速系统在工业生产中的应用。
短句来源
     Design Principle of High Efficiency Pole Change Motor of Fan
     风机电动机高效率变极的设计原则
短句来源
     A intelligent control system is developed based on UGN-3075 and CSD1EH. It provides the auto pole change speed control and the over-current protection for three-phases varying speed motor. The inner structure,the feature and working theory of Hall integrated switch component UGN-3075 and Hall integrated circuit switch CSD1EH are introduced.
     为实现三相异步电动机自动变速并对其过流进行保护,研制了一种基于UGN 3075和CSD1EH的三相变速电动机自动变极调速及过流保护的智能控制系统,介绍了UGN 3075开关型霍尔集成元件和CSD1EH霍尔集成电流开关的内部结构、特点和工作原理,给出了系统的结构和测试结果。
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  “pole change”译为未确定词的双语例句
     A Study on Improving the Performance of Pole Change of High-speed Direct-current Motor
     高速直流电动机改善换向性能的研究
短句来源
     Analysis the twist of pole change,beam of flection and spring coil of the form change and elaborated the decision its form to change of main factor,analysis and the discussion conclude theory in actually of application,change to the form of comprehension have importance of function and meaning.
     分析了杆的扭变、梁的弯曲和弹簧的形变,阐述了决定其形变的要素,分析和讨论了结论在实际中的应用,对形变的理解有重要的作用和意义.
短句来源
  相似匹配句对
     Change
     变化
短句来源
     the design of amplitude-change of pole and manufacturing tool.
     变幅杆的设计,以及工具头的设计。
短句来源
     2. The pathological change in the posterior pole of cat ball.
     二、幼猫眼球壁后极部形态学的改变
短句来源
     Change of QCC
     团结圈活动之变革
短句来源
     Pole of Time Series
     时间序列的极点
短句来源
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In this paper, the general cxpressions or the stator branch circuit inductance of pole-change salient pole synchronous machine are given. These expressions can be not only suitable to analyze the pole-change salient ploe synchronous machine, but also to analyzc various I'ailurcs of general synchronous machines. According to the analysis or this inductance, the effect of various nature space harmonics is prcscntcd. Thus, the theoretical basis to establish relevant space harmonic...

In this paper, the general cxpressions or the stator branch circuit inductance of pole-change salient pole synchronous machine are given. These expressions can be not only suitable to analyze the pole-change salient ploe synchronous machine, but also to analyzc various I'ailurcs of general synchronous machines. According to the analysis or this inductance, the effect of various nature space harmonics is prcscntcd. Thus, the theoretical basis to establish relevant space harmonic model is provided.

本文以定了并联支路为基本单元,导出了交极凸极同步电机定子支路电感系数的一般表达式,该表达式不仅适合于分析变极同步电机,同时可用于常规同步电机多种故障运行的分析.通过对各支路电感系数的分析,指出了不同性质空间谐波的作用,从而为建立相应的空间谐波分析模型提供了理论基础.

A new method for connecting composite coils into composite coil pairs to be used inpole-changing wound-rotor induction motors is presented.Only three sliprings are neededand the rotor resistance is large in both pole numbers,A higher torque and lower current atstarting or pole change-over are achieved.

在绕线型变极感应电动机转子绕组设计中,提出采用复合线圈“线圈对”连接技术,转子上只需三个滑环并在两种极数下都能具有较高的阻抗,可保证变极电机有较大的变极切换转矩又能有效地限制起动或变极切换时的冲击电流。

For pumping storage stations with wide rangeability of head and discharge, a speed-adjustable motor-generators can be used for improving operation condition. The paper introduced various speed adjustment modes including pole-change, frequency-change at stator side, dual stators and AC excited motor-generator and reviewed them respectively. At last, the application prospect of speed-adjustable motor-generator is given.

在水头、负荷变化范围较大的蓄能电站中,为改善机组运行工况,可以采用速度可调的发电电动机。本文从电机原理入手,介绍了各种调速方式;对变极调速、定子侧变频调速和交流励磁调速一一进行了分析;对各种调速方式的优缺点及适用范围作了讨论,并展望了调速发电电动机的应用前景。

 
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