本文分析了稀土永磁同步电机直轴电枢反应。
The D-axis armature reaction of rare earth permanent magnet synchronous generator has been analysed.
依据轴线外形的不同,轴可以分为曲轴和直轴两类。
According to the spool thread shape difference, the axis may divide into the crank and the straight axle two kinds.
通过实验测试了在不同频率及转子在不同轴向位置时电机的交直轴电感。
And the inductances of a prototype were measured at different test frequency and with taper rotor at different axial locations.
实测交直轴电感与三维有限元分析结果吻合较好,验证了分析的正确性。
The experimental results which agreed well with calculated results by 3D finite element method verified the validity of the analyses.
结合数学模型,讨论了有关矢量控制的原理和直轴电流最小控制的数字实现方法。
And according to the mathematical model, vector control principle and minimal direct axis current control and its digital realized method were discussed.
本文以直轴斜盘式柱塞泵为例,介绍关于工程机械液压柱塞泵使用与维修的几种新的方法。
This article presents some methods of using and maintaining of engineering mechanical hydraulic pillar-plug pump, giving an example of straight axis-oblique tray pillar-plug pump.
在高度专业化的用于制造直轴(例如汽车传送装置的直轴)的冲压工具市场上,它是世界的领先者。
It is the world leader in the highly specialised market for pressing tools to straighten shafts used, for instance, in car transmissions.
该方法以永磁同步电动机的定子交轴电压或直轴电压为控制量,利用电流的延迟反馈实现了混沌运动的控制。
The direct-axis or quadrature-axis stator voltage is used as manipulated variable and direct-axis or quadrature-axis stator current delay feedback is used for chaos control.
本文通过对直轴旋转叶片型面成形规律的分析,运用三维几何变换理论,推导出了直轴旋转叶片型面的数学模型。
In this paper, a mathematic model of the straight axis rotate blade is introduced by analysing the forming principle of the blade profile and applying the theory of 3d geometry transformation.
文章同时对近年来汽轮机大轴弯曲故障的诊断技术、测量技术和直轴技术的主要研究成果与经验进行了总结与评述。
The main research results and experience of diagnosing technology, measure technology and flattening technology in recent years are reviewed and discussed.
文中算式以直轴自位式缸体结构的轴向柱塞泵为基本计算模型,但对于其他类型的轴向柱塞泵亦有很大参考应用价值。
The formulae in this paper are founded for axial piston pump whose rotor's structure is straight axis and auto-location type, but other type of pump can reference it.
之后采用三维有限元方法求取了转子在不同轴向位置时电机的交直轴电感,得到了该种电机交直轴电感参数的变化规律;
Then the variation of direct axis and quadrature axis inductances was obtained by 3D finite element method for the taper permanent magnet motor with the taper rotor at different axial locations.
其次,在对永磁电机电抗参数计算方法研究的基础上,提出了该种结构电机的交、直轴电抗参数的有限元计算和测试方法。
Second, based on research and calculation method of inductance parameters for permanent magnet electrical machine, the finite element calculation and testing method of HEPMSG are presented.
研究了稀土永磁单相同步电动机的稳态运行时的相量图,对相量计算结果进行了分析,讨论了电机直轴电枢反应的性质问题。
This paper deals with the phasor diagram, the phasor analysis and the nature ofd-axis armature reactions of the steady-state running for single-phase PM synchronous motor.
为了提高舰船综合电力推进系统的性能,推导了十二相同步电动机直轴气隙磁链观测器的模型,籍此构建了十二相同步电动机矢量控制方案。
The electrical drive system performance was improved using a model of the direct-axis magnetizing flux linkage space-phasor to develop a vector control scheme for the 12-phase synchronous motor.
介绍了三相异步电动机的直轴和交轴模型的建立方法,并利用MATLAB语言对两种模型进行仿真,仿真数据包括定子电流、电磁转矩以及转速。
Introduces a constituting method for A-axis and D-axis models of three-phase asynchronous motor. Simulating for those two models by MATLAB language.
应用有限元分析程序对300MW汽轮机转子直轴进行了应力计算,并对各影响因素进行了分析,结果表明退火处理过程中残余应力产生的塑性变形量不可忽略。
Finite element analysis program was used to calculate the stress of 300mw turbine rotor in straightening the axle, and the effect of each factor is analyzed combined with the trial result.
坐标是0,明白了?,Well,,the,y,component,is,just,going,to,be,zero,,OK?,它一直沿着x轴,那x坐标呢?
y It's directed along the x axis. What about the x component?
很了不起啊,一旦你们证出来了,一旦你们证明了,这个平行轴定理可行,当然,你们可以一直,为自己的便利利用它。
So it's great. Once you have demonstrated, once you have proven that this parallel axis theorem works, then, of course, you can always use it to your advantage.
在19世纪70年代前所制造的直列四缸引擎中三菱引擎就是第一个推广平衡轴的使用的。
Mitsubishi Motors was one of the first to popularise the use of balance shafts in straight-four engines built from the 1970s onwards.
高速大长径比压力反应釜搅拌轴密封性能问题一直是设计者与使用者研究的难题。
The sealing property problem for the stirring shaft of high-speed pressured reaction axe with large length to diameter ratio is always a difficult problem to study for designers and users.
我一直在建设两轴的皮特小狗。
在掌腱膜挛缩和粘连严重的部位按长轴作直切口可以防止创缘皮肤坏死。
Straight vertical incision along the contracture cord and the area of skin adhesion can prevent the skin necrosis.
目前加筋土的试验研究主要有四种方法:原型试验、模型试验、三轴压缩试验、直剪试验和拉拔试验。
At present, four methods are mainly used for reinforcement earth research: prototype test, model test, three-axial compression test, direct shear test and drawing test.
与此同时,如何建立脆性材料在双轴应力作用下的破坏准则一直是人们所追求的目标之一。
At the same time, how to establish the failure criterion of brittle materials in biaxial stress state is one of people's goal.
对半导体激光器光束准直场的研究具有重要的意义,半导体激光器的远轴模型能精确描述其发出的光束。
The study on collimation properties of semiconductor laser beams is valuable and the off-axis model can characterize accurately the output beams of semiconductor laser.
在采用液体静压和液体动压轴承的柔性轴的高精度单级直齿和斜齿减速器上已经过实验论证。
Experiments have been conducted on a high-precision single stage spur and helical gear reducer with flexible shafts mounted on hydrostatic or hydrodynamic bearings.
高速大长径比搅拌轴密封可靠性问题,一直是从事密封工作者探索的问题之一。
The question about the seals of high speed churn shaft with large ratio of length to diameter is one of the difficult problems.
我们用一个普通的商用LDA、一个快轴准直透镜和一个外腔镜构成的简单外腔实现了LDA的外腔锁相运行。
The coherent output of a LDA has been achieved by a simple EC consisted of a commercial LDA, a fast axis collimation lens and an external mirror.
详细叙述了用轴准直器测定和修正这种影响的方法;
The method is recounted for determining and correcting the error with the axis-collimator.
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