ET是什么意思

用法例句

Circuit theory has been come into being better academic system,however,in the existing textbooks,there are still many different viewpoints for some rather basic concepts such as branch,node and positive or negative of capacitive reactance.

电路理论虽已形成比较完善的学科体系,但现有教材中仍有一些较基本的概念,如支路及节点定义、容抗的正负等,存在不同观点。

k-fault diagnosis theory is an important branch in the fault diagnosis of analog circuits.

现已提出的k故障诊断方法有支路法、节点法、割集法、回路法以及网孔法,这些方法都能较好地完成故障定位与故障定值,并在可测性设计方面有了较大的发展,但是这些方法还没有一个统一的理论模型。

Design and Calculation of parallel connected machine tool single spur track;

并联机床单支路设计与计算

The stiffness of the single spur track directly influences on the capability of the parallel machine tool.

为探讨并联机床单支路的刚度对并联机床性能的影响,利用ANSYS软件对并联机床的单支路进行静刚度有限元分析,找出了并联机床单支路的应力集中处,得到了单支路所加载荷与丝杠受力之间的关系,改进了单支路的结构设计。

Based on electrical dissection of AC branches, an optimal capacitor switching method of distribution network is proposed.

基于交流支路电气剖分思想,提出了一种配电网电容器的优化投切方法。

Using conventional analysis method of electric power network, it is difficult to obtain exact branch dissecting information with different sources and flows of network transmitting along AC branches.

用传统的电力网络分析方法很难准确得到网络源流沿交流支路传输的路径剖分信息。

State estimation method of distribution network based on load current takes load current as state variable, the branch measurement function is represented with load current, and the state estimation value of branch current can be obtained, which reduces the solution space of state estimation problem and raises the convergence of algorithm and calculation speed.

基于负荷电流的配电网状态估计方法以负荷电流为状态变量,将支路测量函数用负荷电流表示,利用三相潮流计算方法得到支路电流的状态估计值,从而降低了状态估计问题的求解空间,提高了算法的收敛性和计算速度,通过将该算法与三相潮流计算法比较,结果表明状态估计算法在效果、速度、收敛性方面都较常规方法优越。

A new SE algorithm for distribution network is developed, its power flow algorithm is based on the ZBUS method and for the arborescent radial structure of distribution network a measurement transformation method based on branch current is adopted .

该算法中的潮流算法是基于ZBUS法的潮流算法,并针对配电网的树状辐射形结构,采用了基于支路电流的量测变换方法以处理量测量,经特殊处理后也可以方便地处理电流幅值量测和节点电压量测。

On the basis to analyze the hidden dangers of the traffic safety in the urban branch roads of China, the article introduces into the traffic calming design idea.

该文在对我国城市支路交通安全隐患进行分析的基础上,引入交通静化设计理念,并结合交通需求多元化思想,从速度控制方面入手,进行城市支路交通安全静化设计研究。