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short-circuit ratio
相关语句
  短路比
     Two Methods for Improving Short-circuit Ratio of the Three-phase Synchronous Generator
     提高三相同步发电机短路比的两种方法
短句来源
     The paper analyzes and introduces that some kinds of performance parameters , such as the generator cooling mode , power factor , rated voltage , rated speed , rated power , direct-axis transient reactance (X′ d) , direct-axis subtransient reactance (X″ d ) , short-circuit ratio , flywheel torque .
     对发电机的冷却方式和功率因数、额定电压、额定转速、额定效率、纵轴暂态电抗 (X′d)、纵轴次暂态电抗 (X″d)、短路比、飞轮转矩等主要性能参数进行分析与介绍。
短句来源
     This paper analyzes the relationship between short-circuit ratio and saturation coefficient, air-gap magnetomotive force (MMF) and armature reaction magnetomotive force as well as the influence of turns-in-series per-phase of an armature and the influence of air-gap length to the short-circuit ratio.
     分析了短路比与饱和系数、气隙磁势和电枢反应磁势的关系,以及电枢每相串联匝数和气隙长度对短路比的影响;
短句来源
     In addition, it introduces two methods for improving the short-circuit ratio in designing a three- phase synchronous generator.
     介绍了设计三相同步发电机时提高短路比的两种方法.
短句来源
  相似匹配句对
     Short-termTestofDichloromethaneToxicityinClosedSpace
     密闭环境中二氯甲烷毒性的短期试验研究
短句来源
     gubernaculum short.
     引带短。
短句来源
     The articles are short.
     文章短 ;
短句来源
     short-term equilibrium.
     按短线搞平衡。
短句来源
     Short Circuited Conversational Implicature
     短路会话隐含(SCI)
短句来源
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Reducing the amount of effective materials is a problem that needs to be solved urgently in the manufacture of transformer. The optimum design is the main way to solve this problem. In this article the optimum dimension of iron core is discussed under the condition that the rated capacity, voltage regulation coefficient, md'tiction of iron core, and the Other relative coefficients and parameters are supposed to be given, so that the goal for saving effective materials and lowering the cost can be achieved. Moreover,...

Reducing the amount of effective materials is a problem that needs to be solved urgently in the manufacture of transformer. The optimum design is the main way to solve this problem. In this article the optimum dimension of iron core is discussed under the condition that the rated capacity, voltage regulation coefficient, md'tiction of iron core, and the Other relative coefficients and parameters are supposed to be given, so that the goal for saving effective materials and lowering the cost can be achieved. Moreover, an example is given to illustrate this method, and the result is desirable. The algorithm of this article is suitable for the transformer with smaller short circuit ratio and lower voltage, which has wider range of usage whether as power transformer or as special one.

减少有效材料的用量是变压器生产中一个亟待解决的问题,用优化设计的方法是完成这一任务的主要途径.本文是在设定变压器的额定容量、电压调整率、铁芯磁密及各有关系数均为定值、绕组接法给定的条件下来探讨铁芯的最佳尺寸,以达到节省有效材料降低成本之目的.本文还列举了一个用此法计算的示例,其结果是可取的.文中的算法适用于短路此不太大、电压不太高的变压器,这样的变压器作为电力变压器和特种变压器使用范围是不小的.

Through the analysis of the simplified AC/DCinterconnected system model, the transmission capabilitiesof HVDC systems connected to weak AC systems have beenstudied in detail. The concepts and their computation algorithm of the maximum power curve, the maximum availablepower, the critical short circuit ratio and the boundary shortcircuit ratio are discussed. The strength classification of theconnected AC systems according to the critical short circuitratio and the boundary short circuit ratio...

Through the analysis of the simplified AC/DCinterconnected system model, the transmission capabilitiesof HVDC systems connected to weak AC systems have beenstudied in detail. The concepts and their computation algorithm of the maximum power curve, the maximum availablepower, the critical short circuit ratio and the boundary shortcircuit ratio are discussed. The strength classification of theconnected AC systems according to the critical short circuitratio and the boundary short circuit ratio is proposed in thispaper.

本文通过对交直流系统相互作用的模型系统的分析,对联于弱交流系统的直流输中的输送功率特件作了研究,详细讨论了最大功率曲线、最大可送功率、临界短路比和边界短路比的概念和算法,并提出了划分交流系统强弱的一种准则。

A criterion called Voltage Stability Index (VSI) which is used to determine the voltage stability at the converter AC bus in proposed in this paper. A numeric algorithm to calculate the VSI is also developed. The voltage stability of a typical HVDC inverter AC bus under several common used control modes is investigated and the relationship between the VSI and the short circuit ratio is also studied.

本文提出了一种判断直流输电系统换流站交流母线电压静态稳定性的判据——电压稳定指标VSI,并导出了一种计算VSI的数值计算方法。利用该方法,对几种常用控制方式下的直流输电系统电压稳定性进行了分析比较,并对VSI与短路比(SCR)的关系进行了研究。

 
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