Reasons of wrong actions of longitudinal differential protection of LCD-3A line are analyzed. Solutions and theoretic criteria are proposed.
详细分析LCD - 3a线路纵差保护误动的原因,提出解决的措施及理论依据。
With the improvement of Marine power supply network and high requirement of the selective protection, longitudinal differential protection has more practical meaning in Marine power system.
随着船舶供电网络结构复杂程度和选择性保护要求的提高,将纵差动保护应用于船舶电力系统有着越来越大的实际意义。
The longitudinal grooves seen in the foreground are thought to be due to differential shear and lateral spreading at high velocities.
在前景突出部分看到的纵向沟纹,被认为是由剪断层(differentialshear)以及高速的横向扩散所造成的。
The model built in this paper not only can be used in the analysis of vehicle longitudinal dynamics, but also is helpful to the development of this kind of new type differential.
本文所建模型不仅可用于汽车纵向动力学分析,同时对采用该新型差速器越野车的设计开发有一定的指导意义。
To investigate the method to obtain the real-time longitudinal acceleration based on its velocity, vehicle acceleration is obtained through the velocity filtering, differential, and then filtering.
采用对车速信号进行滤波、差分、再滤波的方法获得了具有良好实时性和精度的汽车纵向加速度。
Aiming at wire rope and skip in loading, movement differential equations of skip with different mass and longitudinal vibration differential equations of wire rope were proposed.
以矿井提升装载过程中的箕斗和钢丝绳为研究对象,建立了变质量箕斗的运动微分方程及钢丝绳的纵向振动微分方程。
The differential salt tectonic deformation is mainly represented by structural differentiation at different levels, and structural zonation and segmentation in transverse and longitudinal sections.
差异变形主要表现为纵向上不同层次变形的差异性以及平面上构造变形的分带性与分段性。
Through the mechanical analysis, the differential equation for the longitudinal deformation of cold forming steel is derived, and the formula for longitudinal rotation Angle is obtained.
对冷弯型钢的纵向变形过程进行了力学分析,得到了变形微分方程,求得了转动角的理论公式,并对其变形形状进行了分析计。
The influences of three longitudinal displacement differential functions upon the shear lag are also discussed.
并探讨了不同纵向位移差函数对剪力滞的影响。
A set of difFerential equations and the corresponding boundary conditions are derived according to virtual work principle and the longitudinal displacement patterns.
根据所提出的位移模式,结合虚功原理推导出组合梁剪力滞效应微分方程以及相应的边界条件。
A set of difFerential equations and the corresponding boundary conditions are derived according to virtual work principle and the longitudinal displacement patterns.
根据所提出的位移模式,结合虚功原理推导出组合梁剪力滞效应微分方程以及相应的边界条件。
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