863

说明：  模拟了单电池层间的能量守恒，即燃料电池电堆热传输模型，算法为四阶-五阶Runge-Kutta法：横坐标为单电池厚度，纵坐标为温度，模拟时长1000s(The energy conservation between layers of single cell, i.e. the heat transfer model of fuel cell stack, is simulated. The algorithm is Runge-Kutta method of fourth-fifth order: the abscissa is the thickness of single cell, the longitudinal coordinate is the temperature, and the simulation time is 1000s.)

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. )

光伏最大功率跟踪控制仿真，实现光伏最大功率运行(Photovoltaic maximum power tracking control simulation to achieve maximum power operation of photovoltaic)

这是一个双回线路输电模型，通过多重控制可以同时仿真多处故障，实现自动控制。(This is a double-circuit transmission model, through multiple control can be simultaneous simulation of multiple faults, to achieve automatic control.)

说明：  使用PSCAD搭建的三芯电缆模型,可用于相关仿真计算(Build the three-core cable model using PSCAD)

试射法——射线追踪程序。 可分别做直达波，折射波，反射波。 射线正演模拟入门程序之一！！(Test method- ray-tracing procedures. Can be done direct wave, refracted wave, reflected wave. Ray is one of forward modeling procedure entry! !)

说明：  单相逆变器 simulink 无差拍控制研究及仿真(single phase；simulink deadbeat control)

南京能瑞的集中器程序，运行在振中掌机tp900.对集中器进行读写操作。(Nanjing Rui centralized program can run in the handheld vibration tp900. Perform read and write operations on the concentrator.)

基于MATLAB/CPLEX 的机组最优组合，成功求解表格化，图示化的机组组合结果，含机组各时段启停计划、机组各时段最优出力，以及内含的各时段的直流潮流等。(Based on the MATLAB/CPLEX optimal combination of units, the results of tabular and graphical unit commitment are successfully solved, including the start-up and shutdown schedule of each unit, the optimal output of each period of the unit, and the DC power flow contained in each period.)

风光互补发电系统的知识，最大功率跟踪控制方法的介绍和研究(the content on wind and solar hybrid power generation system and the introduce about the maximum power point tracking)