同时,还对单节距分数槽绕组进行研究,计算了电机的绕组因数,分析绕组电流对电感的影响。
Meanwhile, the single pitch fractional-slot winding research was also carried out, calculating the winding factor and analysis the influence of current on winding inductance.
动态分析的某些结论可以用于进行电机转子绕组故障诊断。
Some of the conclusions of the transient analysis may be used in rotor winding fault diagnosis.
文中对这种绕组的理论和线性误差规律作了分析,并列出了产品试验结果。
In this paper theory of this new winding and error regularity of these machines have been analyzed and test results provided.
用多回路法分析大型水轮发电机定子绕组内部故障时,将面临计算量大的困难。
Using the Multi loop Method to analyse the faults inside the stator windings of large hydro-generators will face difficulties of large amount of calculation.
在分析研究三绕组配电变压器等效电路的基础上,介绍了三绕组配电变压器阻抗及等效电路参数的工程计算方法。
Based upon the analysis of an equivalent circuit for distribution transformer with three windings, an engineering calculation method for the reactance and parameters of this transformer is introduced.
参照国家标准的测试方法,对变压器绕组模型进行了测试、分析,得到了绕组变形的频率响应特性曲线。
According to the national standard test methods, the frequency response of winding deformation curve was obtained through testing and analyzing the transformer winding model.
本文针对水轮发电机定子绕组端部电动力进行了分析计算,并提出一套完整的计算方法。
The electric force of end winding in hydrogenerator stator is analyzed and calculated in this paper, and a set of complete calculating method was given.
利用有限元算法分析了三相电力变压器绕组各线匝在不同运行模式下电动力引起振动。
Based on finite element method (FEM), the vibration of power transformer windings caused by electrodynamic force is analyzed.
文章讨论了这些设计方式对绝缘系统包括固体绝缘和绝缘液体的影响,并且对绕组和油道进行了热分析。
This paper discusses the influence of the design mode on insulation system including solid insulation and insulation liquid, and carries out the heat analysis of winding and oil duct.
该系统可广泛应用于大型水轮发电机定子绕组内部故障分析与保护方案研究等场合。
This system can be widely applied to analysis and protection of internal faults in armature windings of the hydro generator.
通过测量变压器的短路电抗并计算分析,可以判断变压器的绕组故障。
Winding faults can be identified by measuring transformer short-circuit reactance and analyzing the data.
分析微型直流电机电枢绕组传统滚漆工艺的存在问题,介绍电枢滚漆新工艺,并总结了该工艺的特。
The problems on painting craft of armature winding of mini-direct current dynamo are analyzed, new roll painting crafts are introduced, and properties of the crafts are concluded.
文章分析了二次绕组带有抽头的套管电流互感器(CT),其二次端子接线错误对CT变比的影响。
The paper analyses the current transformer (ct) that secondary winding possesses casing tap, and its secondary connector wiring fault's influence on the ct changing rate.
通过对初级绕组的计算分析及考虑体积、绝缘的基础上,确定了ST的相关参数。
With consideration of ST's insulation and volume, the parameter of ST was determined by the theory analysis and computation of the primary winding.
基于交流阻抗和两极电压试验数据的分析,发现发电机转子绕组因存在铜渣而造成匝间短路故障的原因。
Based on the analysis of AC impedance and two poles voltage test data, the reason of turn - to - turn short circuit fault caused by having copper dregs in generator rotor winding was found.
分析了电动机在双绕组工作与单绕组工作时的机械特性、铜损耗与允许转矩。
The mechanical characteristic, power losses and allowed torque of the motor were analyzed at two cases of normal and fault-tolerance operation modes.
对绕线型异步电动机转子绕组常见事故的分析,提出了具体的防治措施。
Analysis is made on the common-seen accidents caused by the phase-wound type asynchronous electromotor rotor coil, and given the preventions.
通过四象限变流器交流侧矢量图的分析,阐述牵引绕组间的互感对四象限变流器控制性能的影响。
According to the analysis of ac vector diagram, the effect of the mutual inductance among the traction windings on the control (performance) of the 4qc is discussed.
分析并提出电动机绕组的最高温度点温升计算。
Calculation of the temperature rise at the max. hot spot in the motor windings is analyzed and presented.
第二章主要介绍了绕组的基本知识,这些知识是以后进行分析时所能用到的。
The second chapter introduce the basic knowledge of winding. it will be used at next several chapters.
在分析双绕组变压器的差动保护算法的基础上,提出了适用于三相三绕组变压器的比率制动式算法,并对判据进行了简化。
Based on the analysis of the differential protection of the double winding transformer, the paper presents a simplified ratio restraint algorithms for the three phase, three winding transformer.
分析了树脂浇注干式变压器短路时内外绕组产生应力的机理及其后果。
The mechanism of stresses generating in internal and external windings and its consequence are analyzed in this paper.
针对表面安装式永磁同步电机,给出了电机解耦模型,分析了电枢绕组的电感饱和效应,提出了一种判断初始转子位置的综合性方法。
A novel initial rotor position estimate method is proposed on the surface mounted permanent magnet synchronous motor (PMSM), which is based on the PMSM de-coupled model analysis.
介绍了一种新型的单层交流绕组,通过与传统单层绕组的对比,对该绕组的特点进行分析。
The paper introduces a new kind of single layer A. C. winding and compares its characteristics with traditional single layer winding.
因此,根据电机绕组工作温度的变化来分析航空电机绕阻的可靠性模型和寿命是十分重要的。
Therefore, according to the variation of the winding temperature analysis of their reliability and life are very important.
通过改造绕组调制函数所建立的数学模型分析计算绕组的分层系数、正交误差和电气误差。
Through reform the modulating function of the winding to set up the mathematic model, by which it analyses and calculate the layer coefficient, quadrature error, electrical error.
文中基于磁性元件绕组的一维模型,对平面磁性元件绕组中的涡流效应进行分析。
Based on one-dimensional model for windings of magnetic components, the eddy effects in planar magnetic components are analyzed.
分析了汽轮发电机发生转子绕组匝间短路故障时的电磁特性,提出了基于小波分析的故障检测与诊断方法。
Electromagneic characteristic of the interturn short circuit in turbo-generator rotor windings is analyzed. And a method of fault detection and diagnosis based on wavelet transform is presented.
综述了引起变压器绕组电阻不平衡的因素,并进行了分析。
The factors that cause the resistance unbalance of transformer winding are summarized and analysed.
根据分析结果,提出一些保证绕组短路强度的措施,为变压器绕组设计提供参考依据。
According to analyzing results, a few measures are given to ensure short-circuit strength of windings and referential rules are provided for design of transformer windings.
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