hermite

真空断路器灭弧室涡流场计算的实例，是关于纵向触头结构方面的分析。(Vacuum circuit breaker chamber eddy current field calculation example of contact structure on the longitudinal analysis.)

说明：  实现两相并网逆变器的SPWM控制,可利用在光伏并网系统中(Realize SPWM control of two - phase grid-connected inverter)

跟prony算法一样，ESPRIT（Estimation of Signal Parameters Via Rotational Invariance Techniques）也是一种参数法，它是一种基于旋转不变技术参数估计的信号处理方法，此方法可以高精度地辨识电力系统中任意组合的衰减/非衰减正弦信号的频率，相位及其幅值等信息。它不需要对信号进行同步采样。此方法把信号空间分解为信号子空间和噪声子空间，能够在较短的信号长度内准确的检测出信号中各个谐波和间谐波成分。(ESPRIT)

大型风电场接入电网的稳定性问题研究,希望对大家有点启发( the problems of Large wind farms connected to the grid stability)

momic水气两相流,应用LBM BGK模型，模拟了空化泡在近壁区溃灭(momic two phase flow)

电力变压器是电力系统中的主要设备之一，利用它可以把不同电压的电网联结在一起，组成复杂的电网或庞大的电力系统，并在其中发挥着重要的作用。电力变压器的可靠运行关系到整个电网的安全，如何对电力变压器的运行中的故障进行诊断，已成为电力部门急需解决的问题。目前，以油中溶解气体为特征量对变压器的故障进行分析，得到了广泛应用。 本次设计要求对电力变压器的内部故障进行广泛了解，并应用BP神经网络对变压器进行智能故障诊断软件设计，实现变压器内部故障论断。主要包括以下内容： 1、掌握用以变压器油中气体为特征量，用BP神经网络诊断变压器内部故障的方法 2、用 Visual Basic编制变压器故障诊断软件，具有以下功能： a) 数据管理功能。包括变压器信息，色谱数据信息等 b) 故障诊断功能。包括用BP神经网络诊断变压器故障的具体实现方法，并给出故障诊断结果 c) 图形显示功能。包括对同一变压器内气体浓度变化曲线的显示等 d) 辅助功能。如帮助信息，诊断方法的介绍等 (Power transformer is one of the main equipment in power system, it can use the network of different voltage linked together, to form a complex network or large electric power system, and plays an important role in it. Power transformer for the reliable operation of the power grid safety, how to run in power transformer fault diagnosis, has become urgent to solve the problem of electric power sector. At present, the DGA in transformer fault analysis, obtained the widespread application. The design of power transformer internal fault is widely understood, and the application of BP neural network to transformer fault diagnosis software design, realization of transformer internal fault diagnosis. Mainly include the following contents: 1, master for gas in transformer oil as features, using BP neural network diagnosis method of transformer internal fault In 2, Visual Basic system of transformer fault diagnosis software, has the following functions: A ) data management function. )

8MPa 下 CO2/H2O质量比96 /4 的物性参数 适用于东芝超临界二氧化碳循环工质(8MPa under the CO2/H2O mass ratio of 96 /4 of the physical parameters for Toshiba supercritical carbon dioxide circulating fluid)

一个变电站系统的运行模拟程序，基于vc。(A substation operation of the system simulation program , based on the vc)

说明：  对电力系统进行交流潮流计算，计算方法为极坐标系下的牛顿拉夫逊法。(The AC power flow of power system is calculated by Newton Raphson method in polar coordinate system.)

atp是电力系统暂态仿真软件，在atp仿真软件上建立了IEEE三机九节点的仿真模型，并得到了潮流及稳定的仿真结果(atp is the power system transient simulation software, simulation software in the atp built on the IEEE three-machine nine nodes in the simulation model, and has been the trend and stability of simulation results)