harmonic

区域综合能源系统中热-电联合建模，通过使用扩展牛顿拉夫逊算法进行统一求解，同时得出系统内热力系统和电力系统的状态参数。(The joint thermal-electrical modeling of regional integrated energy system is solved by using the extended Newton-Raphson algorithm, and the state parameters of the thermal system and the power system in the system are obtained.)

说明：  双向储能变流器PSCAD模型，适用版本v4.6。双级式三相储能变流器模型，针对锂电池建模，PCS建模。(Three-Phase Battery Energy Storage System.a three-phase battery energy storage system (BESS) comprising of Buck/Boost DC-DC converter and voltage source converter (VSC). each module is given to explain how the system works and what functionality can be expected from this system.)

压缩空气储能仿真simulink模型，适合matlab 2017及以上版本(model of CAES of simulink)

说明：  地球物理行业，在磁法勘探中 向上延拓Gui设计(Geophysical industry, extending GUI design upward in magnetic exploration)

说明：  牛顿-拉夫逊法，实现IEEE33节点系统潮流计算，收敛快(Achieve IEEE33 node system power flow calculation)

fluent动网格，用于研究压缩机吸气阀发片运动(valve motion UDF)

PSCAD的研究次同步振荡的程序 采用第一标准测试模型(Research PSCAD SSO standard procedures for the use of the first test model)

单相半桥逆变电路，由直流逆变为交流，很好用的元件 matlab新手上路(Single-phase half-bridge inverter circuit, inverter from DC to the exchange of components with very good new road matlab)

配电网潮流计算，以IEEE33节点为例,运用前退回代法计算(Power flow calculation, in order to IEEE33 nodes, for example, the use of return on behalf of the former method)

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. )