Direct method; Power system transient stability; Extended equal area crit-erion; Potential energy boundary surface; Relevant unstable equilibrium point; 直接法;电力系统暂态稳定;扩展等面积准则;势能边界面;相关不稳定平衡点;
Focusing on the stability of the submarine pipelines, the paper analyzed the transient liquefaction area and the max depth of liquefaction under the wave loading. 针对海底管线稳定性问题这一具体实例,分析了波浪作用下海底管线下方砂质土体的瞬时液化区域及最大液化深度。
To use integrated3D seismic and transient electromagnetic method prospect old workings, gob area boundary and ponding in the Xiandewang coalmine has acquired delightful results. 利用三维地震结合瞬变电磁法探查显德旺矿老窑、采空区破坏范围及积水情况,取得了可喜的成果。
Official death tolls are fuzzy because of the large transient population and newly unaccounted-for residents in the area. 因为当地有大量的流动人口和近期去向不明的居民,官方通报的死亡人数很模糊。
The DOS command processor consists of three parts: startup portion, the resident section, and the transient area. DOS命令处理程序包括3个部分:启动部分、常驻内存程序部分和暂驻存储区。
Transient area is a storage area used for transient programs or routines. 暂驻存储是用来临时存放暂态程序或例行程序的一种储区。
Application of Central Loop Transient Electromagnetic Method in Coalmine Gob Subsidence Area Prospecting 中心回线瞬变电磁法在煤矿采空塌陷区的探测应用
Application of Transient Electromagnetic Method in Detecting Mining Area's Transmissivity and Water Yield Property 瞬变电磁法在探测煤矿采区导(富)水性中的应用
The transient electromagnetic method has a stronger adaptability to the surface of construction area, with a higher effectivity. 瞬变电磁法对于施工区地表有较强的适应能力,工作效率较高。
The influence of simplifications of speed variations in stator voltage equations and/ or the torque equation on transient stability is quantitatively studied by using extended equal area criterion ( EEAC). 应用扩展等面积准则(EEAC),定量地研究了发电机定子电压方程和转矩方程中转速的简化处理对暂态稳定性的影响。
All potentially critical-modes for transient angle stability are identified by extended equal area criterion ( EEAC), and then a PMU is assigned to one of the power plants in each critical cluster. 该方法利用扩展等面积准则(EEAC)稳定性理论中的主导模式概念,识别所有可能出现的暂态功角失稳模式,并据此将所有的发电机节点划分为不同的同调群。
It plots typical curve of bottomhole transient pressure considering reservoir anisotropy, complex boundary and impermeable area within reservoir, and analyzes curve characteristics. 绘制了考虑油藏各向异性、复杂边界以及油藏内存在不渗透区域等因素的井底不稳定压力典型曲线,并分析了曲线特征。
On the basis of patr one, the characteristics of transient current waveform respectively induced by in area and out area faults are analyzed in detail. 在文(一)的基础上,详细分析了输电线路内部、外部故障时暂态电流的特征,发现内部故障时第一个行波电流的波头陡度大,并且其后的部分含有高频分量;
The Gabor coefficients of power system transient waves span a very small area in the joint time frequency domain, whereas the Gabor coefficients of the noise are different. According to this characteristic, a time-frequency mask function can be designed to separate the transient waves from noise. 根据电网瞬态波形的Gabor系数在联合时频域分布比较集中,而噪声的Gabor系数均匀分布于整个联合时频域的不同特点,构造时频掩模函数,实现信号和噪声的分离。
In addition, a method to estimate the "transient mold area" thickness during the sand casting process was verified by temperature gradient analysis of the mold. 此外,提出了一种计算砂型铸造过程中铸型“瞬态区域”厚度的估算方法,并利用铸型的温度梯度分布进行了分析验证。
Fast Prediction Method for Multi-Machine System Transient Instability Based on Wide Area Trajectory Information 基于广域轨迹信息的多机系统暂态不稳定性快速预测方法
Effects of Transient Temperature Rise in Contact Area on Wear Properties 滑板材料受流摩擦时接触点瞬态温升对磨损性能的影响
The Study on the Mechanism of the Boron's Diffusion of Transient Liquid Phase Diffusion Bonding Area and it's Neighborhood in the Aero-engin 航空发动机涡轮叶片瞬时液相扩散连接区及其邻域硼扩散机制的研究
Generalized transient stability margin based on extended equal area criterion method 基于扩展等面积准则法的广义暂态稳定裕度
Inversion of transient electromagnetic sounding data: Evolutionary algorithm with narrowing search area 瞬变电磁测深资料反演&逐步缩小搜索范围的演化算法
The effective management for a resident data area, a transient area and a free area in main memory reduces the table swapping between the main memory and the disk. 通过对内存常驻数据区、临时数据区和空白区的有效管理,从而减少了常用表的内外存频繁切换,提高了效率。
Saturation pressure derived from transient test data ── an example from East Junggar oil area 用不稳定试井资料求取饱和压力&以准东油区为例
Objective The aim of this study is to investigate the effects of imidapril on transmural dispersion of repolarization and heterogeneous changes of transient outward potassium current in the region remote from the infarction area three months after myocardial infarction. 目的探讨咪达普利对陈旧性心肌梗死非梗死区心肌跨室壁复极离散度(TDR)以及短暂外向钾电流(Ito)的影响。
Through many iterations, the dynamic and "First swing" transient stability limit are found, the late is compared with the results obtained by transient torque-angle characteristic and equal area criteria. 经过多次迭代,分别得到了动态稳定极限和首次摆动瞬态稳定极限,并与由瞬态功角特性和等面积法则得到的瞬态稳定极限进行了比较。
The TCSC zero-crossing point characteristics of the capacitor voltage have a significant influence on its work process. The transient characteristics, transition of working area, adoption special trigger strategy and selection of synchronous signals are the main representation. TCSC电容电压的过零点特性对其工作过程有着显著的影响,这主要体现在TCSC的暂稳态特性、工作区域转换、特殊触发策略的采用以及同步信号选择等几个方面。
Therefore, a new type of hybrid methods for transient stability assessment, represented by EEAC ( extended equal area criterion) method, was proposed, which combine system trajectories with the mechanism of transient instability. 为此,一类以EEAC(ExtendedEqualAreaCriterion,扩展等面积准则)方法为代表的融合系统状态轨迹和暂态失稳机理的暂态稳定分析混合法被陆续提出。
According to the Equal Area Criterion, this paper defines the transient stability composite indicator using generator accelerated area and decelerated area. 本文根据等面积法则,采用发电机加、减带面积定义了暂态稳定性指标。
Trigeminal neuralgia ( TN) is a sort of recurrent paroxysmal transient megalgia on the face of the trigeminal nerves areal area. 三叉神经痛(Trigeminalneuralgia)是一种在面部三叉神经分布区反复发作的短暂阵发性剧痛,又称痛性抽搐。
And then, analyzes the morphology of the high cycle fatigue fracture surface is analyzed. There are obvious fatigue propagation source area, crack area and transient breaking area in high cycle fatigue fracture. 分析了高周疲劳断口的形貌,高周疲劳断口存在明显的疲劳源区、裂纹扩展区和瞬断区。