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starting modes
相关语句
  起动方式
     Analysis on starting modes of cage electromotor
     笼型电动机起动方式的分析
短句来源
     It has two kinds of starting modes: the slope voltage starting, the limiting current starting.
     该软起动器具有两种起动方式:斜坡电压起动和限流起动,并具有软停车功能。
短句来源
     According to different starting energy sources and excitement modes in HFPE,4 starting modes of constant pressure valve control,constant pressure position control,starting hydraulic accumulator(SHA) valve control and SHA position control were given.
     根据HFPE的起动能源和激励方式的不同,给出了恒压阀控、恒压位控、起动蓄能器(SHA)阀控以及SHA位控四种起动方式.
短句来源
     Three kinds of starting modes for diesel engine are presented.
     介绍了电起动、气起动和混合起动三种机车柴油机起动方式 ,分析了电起动所用三种不同类型蓄电池的优缺点。
短句来源
     It has three kinds starting modes: the slope voltage starting, the limiting current starting and the discrete frequency control starting.
     该软起动控制器具有三种起动方式:斜坡电压起动,限流起动和分级变频起动。
短句来源
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  “starting modes”译为未确定词的双语例句
     The drive motor of air compressor in 2×28 000 Nm3/h oxygenerator in Tiangang Group is three-phase AC motor with three starting modes.
     天钢2×28000Nm3/h空分装置空压机其驱动电动机为三相交流电动机,电动机启动方式有三种。
短句来源
     Methods The time of ventilation starting,modes of ventilation,parameter adjustment and medication were retrospectively analysed on total of 12 cases.
     方法  回顾性总结我院 1992 1998年间 12例小儿肺血减少性青紫型CHD合并呼吸衰竭患儿机械通气治疗效果 ,分析通气时机、方法、参数调节及药物治疗等对转归的影响。
短句来源
     But for a cold state steam turbine,both high parameter and low-parameter starting modes are feasible.
     但对于冷态汽轮机来说,既可采用高参数启动,也可采用低参数启动。
短句来源
     The principle of soft starting technology was introduced,with different starting modes.
     介绍了软起动技术的原理及常用的几种起动技术。
短句来源
     Experimental results show that the algorithm satisfies the requirements for three typical starting modes, namely, creeping, normal and abrupt start mode and improves the adaptability to temperature variation.
     实验表明,该算法既满足了3种典型起步工况(爬行起步、正常起步和急起步)的性能要求,又提高了系统对温度变化的适应能力.
短句来源
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  相似匹配句对
     Starting with B.B.O.
     本文从B.B.O.
短句来源
     Analysis on starting modes of cage electromotor
     笼型电动机起动方式的分析
短句来源
     III. Study on the modes of the sentences starting with "/j.it;H".
     三、“就是”开头句的句模研究。
短句来源
     the three modes;
     科研院所改制的三种模式;
短句来源
     the modes of education;
     ②关于借鉴国外教育学界主流教育模式问题;
短句来源
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In this paper, a study of the back-to-back starting mode is made of the 15 MVA pumped storage motor-generator in gangnan Hydro-power Station imported from Japan to compare with the analysis of our theoretical formulas, and calculations are finally made on a digital computer. An analytical comparison is made fetween the measured datas obtained from the Japanese machine and the synchronous criteria curve obtained from our theoretical calculations. This shows clear]y the importance of motor-generator parameters...

In this paper, a study of the back-to-back starting mode is made of the 15 MVA pumped storage motor-generator in gangnan Hydro-power Station imported from Japan to compare with the analysis of our theoretical formulas, and calculations are finally made on a digital computer. An analytical comparison is made fetween the measured datas obtained from the Japanese machine and the synchronous criteria curve obtained from our theoretical calculations. This shows clear]y the importance of motor-generator parameters to the mode of starting.Ample theoretical calculation and careful analysis methods of the designing , manufacturing and operating parameters are presented in this paper, these will be used to solve the same problems in future for the three 100 MW pumped storage motor-generator units on back-to-back starting mode in the newly constructed Panjiakou Hydro-power Station.The author concludes that the back-to-back starting mode is the more reliable mode of starting as far as the pumped Storage motor-generator itself is concerned.

本文通过岗南水电站从日本引进的15兆伏安电动发电机的对拖起动方式的研究,结合理论计算分析,并在数字电子计算机上作了运算;对于在岗南水电站获得的实测数据,与理论计算获得的同步判据曲线也作了详细的比较分析。由此可见,电机参数对起动方式的重要性。本文为新建的潘家口水电站中三台100兆瓦抽水蓄能电动发电机的设计制造和运行参数,从对拖起动方式出发,提供充分的理论计算及分析方法的依据。总之,采用对拖起动方式,对电动发电机本身而言,是较为可靠的方法。

The starting of PM gyromotor, commutated by EMF, is an essential problem of such motor and must be solved appropiartely The Fequency Modulation starting Mode may be used. However, the simelicity of circuit and reliability of operation will be reduced. In this paper the Fixed Position starting Mode is presented. The dynamics of starting process is studied and its reliability has been proved experiments.

电势换向永磁陀螺马达的始动是这种电机的一个必须妥善解决的重要问题。可以采用变频起动方式,但线路复杂,可靠性差。本文提出了定位起动方式,(?)了起动的动态过程,证明了这种起动方式的可靠性并作了实验验证。

This paper describes the results of a study on the transient current after switching over from the starting mode to normal operating mode of an induction motor started by a harmonic field. The motor is a special wound-rotor induction machine with six stator terminals, which can be connected to give winding with two different pole numbers. There are no slip-rings on the rotor. A conventional analytical approach for studying the starting of a squirrel-cage induction motor by a Y-A starter...

This paper describes the results of a study on the transient current after switching over from the starting mode to normal operating mode of an induction motor started by a harmonic field. The motor is a special wound-rotor induction machine with six stator terminals, which can be connected to give winding with two different pole numbers. There are no slip-rings on the rotor. A conventional analytical approach for studying the starting of a squirrel-cage induction motor by a Y-A starter is used to formulate the transient current and the solutions are found to be suitable for the motors discussed. Computer simulation results using Park's equations are presented at different slips. Experimental results obtained agree with the simulation ones. Simulation and test results show that there is a rush current during switching over. However, the magnitude and duration of the rush current are found to be harmless to power supply provided that the switching time is chosen to be near the synchronous speed.

本文研究了谐波起动电动机起动切换瞬变电流的规律.运用四阶尤格-库塔法,对Y-△起动和谐波起动过程的切换瞬变电流进行仿真计算,给出了计算结果,与实测值相比,获得了较为一致的结果,分析计算与实测结果表明,A型谐波起动的断电切换过程中存在着瞬变电流冲击,就其冲击幅度和持续时间看,不会对电网和电源变压器造成不良的影响.

 
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