电动机的最大过载倍数主要是和交轴同步电抗和换流电抗有关。
The maximun overload capacity of the motor depends essentially on the synchronous reactance along the quadrature axis and on the commutation reactance.
介绍力矩式自整角机转子交轴阻尼短路环损耗和电流的一种测试方法。
A test method of torque synchro rotor quadrature axle damping short-loop loss and current was introduced.
详细讨论了发电机参数、交轴稳定绕组及负载对系统运行稳定性的影响。
The effects of generator parameters, quadrature axis stability winding and load on operation stability of the system are studied in detail.
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.
用该方法对同步控制系统中的自整角机交轴阻尼短路环的损耗和电流进行了间接的实验测试,证实该方法可行。
And the indirect experimental tests of synchro axis damping short-loop loss and current in a synchronous control system were carried out, and proved this method was feasible.
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.
介绍了一种预测受多轴交变载荷工程构件的低周疲劳寿命的方法。
A method is outlined for making low cycle fatigue life prediction for engineering components subject to multiaxial loading.
提出了一种用于实现矢量与扫描体(代表五轴数控加工铣刀的运动)求交的有效算法。
An efficient algorithm is presented for finding the intersection of vectors with swept volume generated from the five axis NC milling tool motions.
当珠光体层片与拉伸轴斜交时,裂纹通过渗碳体和铁素体交替断裂而扩展;
When the lamellae made an angle with the tensile axis, the crack propagated alternatively in cementite and ferrite.
提出了一种无局部自交的轴变形的新算法。
This paper presents a novel axial deformation algorithm without local self-intersection.
推导了交变载荷下弹塑性随机有限元的迭代格式,计算了局部多轴应力应变的随机响应。
The iterative formulas of elastoplastic stochastic finite element method (SFEM) under cyclic loading are deduced and the random responses of local multiaxial stress and strain are calculated.
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.
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.
这交越失真看起来像一个档次,或扁平点,在正弦波作为穿越零轴。
This crossover distortion looks like a notch, or flat spot, in the sine wave as it crosses the zero axis.
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.
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.
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