福建电网的在线稳定控制系统进行稳定计算时需要华东电网的实时动态等值模型。
Stability calculation of the on-line stability control system of Fujian power system requires the real-time dynamic equivalence model of East China power grid.
笔者采用面向最小配电区域的等值网络模型,使计算元件数极大简化;
An equivalent model for distribution system is presented, which takes the least distribution sections as analytic elements to significantly simplify the components calculation.
在后处理中,有限元计算结果可以通过彩色云图和等值线两种方法表达。
In the post-processing, the computed results can be expressed by the isograms and color nephogram.
基于二端口网络理论,采用等值双端电源相分量法进行跨线短路故障计算。
An equivalent two source phase domain method for calculating interline fault in the double circuit line is presented.
根据计算出的温室基本风压和雪压代表值分别绘制出6张风压和6张雪压等值线图。
According to the above results 6 isograms of basic pressure and 6 isograms of basic snow pressure of greenhouses are mapped.
对大型电力系统采用动态等值可以大大降低计算量,并能突出主要特征。
Dynamic equivalents are used to reduce the computing effort and manifest the principal characteristics of power systems.
算法的追踪结果精度取决于等值点的计算方法,其精度是可控的。
The precision lies on the computing method of contour points and can be controlled.
并且根据换算到副边的等值电路图进行特性参数计算。
The characteristic parameters of the equivalent circuit diagram are calculated according to the reduction to the secordary.
为了能较准确计算运行中配电网的电能损耗,对等值电阻法进行了理论推导。
Through theoretical deduction the method of equivalent resistance suitable for calculation of in-service distribution network loss is introduced in this paper.
基于等值土壤电阻率的概念,导出了三层土壤中垂直棒接地电阻解析计算公式。
The analytic computational formula for grounding resistance of grounding rods in three-layer soil is derived based on the concept of equivalent soil resistivity.
针对合环操作冲击电流可能越限的问题,提出一种基于戴维南等值的冲击电流计算方法。
The mathematical model of closing loop operation is established and a method for surge current calculation based on Thevenin s equivalent is proposed in this paper.
二是采用滑动窗口技术来寻找等值线上的最近点,在每一次收敛到局部最小的过程中都减少了最近点计算量。
The second is to reckon the closest points by use of gliding window technique so as to reduce the computation cost in reckoning the closest points in each time of converging to local minimums.
本文利用互相配合的弹性体配合表面上位移连续条件及力的等值条件建立了计算过盈应力的有限元模型。
In this paper, the finite element model for calculating interference fit stress is formed by using displacement continuous condition and equal value of force condition on the fitting faces.
本文研究了计算网格地形、波高等值线、速度场和波面的可视化。
In this paper, the method for drawing grid-based terrain, contour, and velocity field and wave surface are studied.
以因素指标区为控制,区内最大土地利用系数等值区为单位,计算了各耕地因素组合标示标准粮。
Factors indicators for the area to control the region's largest land-use factor for the area equivalent units, calculate combination of factors, the land marked for-food standards.
计算了1893年以来在断裂带南东段(相对闭锁段)的应力积累,示出相应的最大剪应力和流体静应力等值线图。
The stress accumulation in the southeastern segment of the fault since 1893 has been calculated, and the corresponding contours of maximum shear stress and hydrostatic stress are shown.
本文给出绘制等值线图的一种计算机算法。
This paper describes an computer algorithm for contour map plotting.
规则网格法是计算机绘制等值线的常用方法之一。
Grid contouring is one of methods often used for drawing depth contours by computers.
结果表明,改进后的方法能使两系数等值区划分和数值计算结果更为科学、合理。
The results indicate that the division of equivalence regions and numerical results calculated by the improved methods are more scientific and reasonable.
如此交替等值和内点法修正,直到分布式无功优化计算收敛。
The procedures of iterative equivalent and internal bus modification are followed to gain the convergence of distributed reactive optimization.
在水文分析计算时,有时需要根据图形参数进行有关数据的计算,如用暴雨等值线图计算流域平均雨给出量的时候。
In hydrologic analysis, we calculated related data according to figure parameters, as using rainstorm isoline to reckon average rainfall in the river basin.
对有限元的计算结果进行了分析,对运用最大剪应变等值线、大主应变等值线确定可能滑动面,运用应力水平分析单元的受力状态进行了研究。
The results of FEM are analyzed , and the action of the strain isoline , stress level isoline, energy isoline and safety factor isoline is applied.
网络拓扑是进行系统等值电阻计算和潮流计算的基础。
Network topology is base to calculate substitution resistance and power flow.
按平均数计算,全世界外汇市场上不同货币的日交易量大约为1.5万亿等值的美元。
On average, the equivalent of about $1.5 trillion in different currencies is traded daily in the FX market around the world.
本文介绍了一种利用计算机扫描计算一等值线图对河流水质模型参数的值进行计算的方法。
A method of scanning and Calculating contour maps using computers to estimate the parameters of the river water quality model is introduced in this paper the method can be easily operated.
计算获得了船体上波形以及船波等值线图。
The wave profile along ship hull and wave contours were obtained.
发电机同调机群识别的研究对动态等值、暂态稳定分析计算、为改进系统行为的控制设备的设计、操作和整定提供必要数据等方面有极其重要的意义。
Research of recognizing coherent generator groups in power system is important to dynamic equivalence, transient stability calculation and provides essential data for improving system's behavior.
发电机同调机群识别的研究对动态等值、暂态稳定分析计算、为改进系统行为的控制设备的设计、操作和整定提供必要数据等方面有极其重要的意义。
Research of recognizing coherent generator groups in power system is important to dynamic equivalence, transient stability calculation and provides essential data for improving system's behavior.
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