A special constant phase angle element ( CPE) exists in the equivalent circuit of the impedance when there exists ASR. 分析表明,碱硅酸反应的特征是在等效电路中存在左旋的常相角元件。
Based on effect of the impedance angle value size in flicker calculation formula, an engineering estimation method of impedance angle for flicker calculation is presented in this paper. 本文在考察了闪变计算公式中网络阻抗角数值大小的影响作用后,提出了一种闪变计算中阻抗角工程实用估算方法。
We have analyzed the characteristics of the electromagnetic scattering of the right angle wedge with impedance face and calculated the amplitudes and phases of the scattered field, obtaining the curves of the amplitudes and phases varying with surface impedance. 文中分析了直角阻抗劈的电磁散射特性,计算了其散射场的振幅和相位,得出了振幅和相位随表面阻抗的变化曲线。
Through nu-meral simulation, the variation of P wave elastic impedance with in-cident and azimuthal angle was described; the effect of anisotropic parameters on P wave elastic impedance in arbitrary azimuth and the precision of new approximation formula were analyzed. 通过数值模拟,对纵波弹性阻抗随入射角和方位角的变化特征进行了描述.分析了各向异性参数对不同方位纵波弹性阻抗的影响.以及新近似公式的精度。
Experimental study on the Amplitude and Phase Angle Changes of Electrical Impedance of Endermic Musculature in Rat Cadavers 大鼠死后皮下肌肉组织电阻抗幅值和相位角变化的实验研究
The shortcoming of using voltage and power to describe the voltage critical state is analyzed and the load impedance angle is introduced for the critical point of voltage. The ternary analysis method of voltage V, power P and load impedance angle φ is established. 本文首先分析了采用电压和功率描述电压临界状态的不足,提出了引入负荷阻抗角的三个参数来描述电压临界状态,即电压V、功率P和负荷阻抗角φ的三元分析法。
By analysing the variation of voltage magnitude and phase angle at both ends of small impedance branches, a new varied Jacobian Newton method is proposed to deal with systems with small impedance branches. The causes are varied. 在分析小阻抗支路对牛顿法潮流的影响基础上,提出了求解含有小阻抗支路系统潮流的一种新方法&变雅可比牛顿法;这一反常现象的出现是多种原因综合作用的结果。
It is also demonstrated that there are several factors causing HVDC converter commutation failure, the most important factors include the advance firing angle, the voltage drop of the converter AC bus, the direct current increment and the short circuit impedance of the converter transformer. 论证了影响逆变器换相失败的因素有多个,重点研究了触发越前角、换流站交流母线电压跌落,直流电流增大以及换流变压器短路阻抗等因素对换相失败的影响。
The dynamic stepless compensation of reactive power in distribution networks is realized by changing the firing angle of thyristor at the secondary side of transformer with S/ C high impedance. 通过调节高短路阻抗变压器二次侧的晶闸管触发角,可以实现配电网中无功功率的动态自动无级补偿。
According angle gather information and the velocity, inverse calculation of the elastic impedance and a variety of elasticity data volume is done. 6. 根据角道集资料及钻井的纵横波速度,对研究区的纵横波阻抗及各种弹性数据体进行了反演计算。