• 系统采用具有适应补偿电压模型估算定子磁链PI自适应估计转速

    The stator flux is estimated by adaptive compensated voltage model, and the speed is estimated with PI adaptive method.

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  • 对用于有机导体电导测量电压短路(VSC)提出一个串-并联物理模型

    A three layer series-parallel model of the Voltage Shorted Compaction (VSC) method for conductivity measurement of organic conductor was proposed.

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  • 谐波平衡用于得到AIA谐波特性阻抗模型端口电压

    The harmonic balance analysis is applied to calculate the frequency spectrum of the AIA and the voltage across the impedance model.

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  • 根据交流感应电动机静止坐标系数学模型采用脉冲电流、脉冲电压实现了交流电动机电气参数的静态测试

    On the basis of the mathematical model of AC induction motor in two phase axis system, the static measurement of electrical parameter for AC motor is completed using pulse voltage and pulse current.

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  • 这个模型电压稳定分析特征结构分析分岔分析理论基础电压稳定指标状态指标相结合加入了无功优化中。

    New formulations are on the basis of the theory of the bifurcation and the Jacobi matrix eigenvalue structure analysis incorporating the margin and state index of the voltage stability.

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  • 详细介绍直流数字电压校准电阻原理数学模型测量不确定评定

    This paper introduce in detail the principle of the calibration of resistance box by method of direct current digital voltage meter, mathematics model and the way of uncertainty evaluation.

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  • 然后采用牛顿-拉夫逊直接最近电压崩溃临界点模型所构成非线性方程组进行迭代求解

    Then using the approximate solution as initial value of iteration, the nonlinear equations for the closest point of collapse are solved directly by Newton-Raphson method.

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  • 然后,用平面来对简化模型特性进行定性分析,给出了参数变化二维简化模型中的电压值变化之间的关系。

    Secondly, the phase planes were introduced to find qualitatively the threshold of dynamical behavior, and the influences of parameters change on saddle point were discussed.

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  • 利用该统一模型,分析了外加直流电压外加交流电压乒乓切换电刷接触电阻励磁绕组接地电阻测量值的影响危害。

    By using power of DC superimposed AC, oxidation rate rose with increase of voltage but had nothing to do with frequencies in this experiment.

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  • 本文叙述了采用非线性规划进行电力系统电压优化一种实用方数学模型梯度

    This paper describes a non-linear programming algorithm for the optimization of voltage and reactive power in the electric power system. The reduced gradient method is used in the algorithm.

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  • 本文叙述了采用非线性规划进行电力系统电压优化一种实用方数学模型梯度

    This paper describes a non-linear programming algorithm for the optimization of voltage and reactive power in the electric power system. The reduced gradient method is used in the algorithm.

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