differential_protection

在水利水电工程中，计算水轮机中的水力学问题(Water Conservancy and Hydropower Engineering, calculation of water turbine mechanical problems)

电力系统潮流程序，适合初学者.含读取数据文件，形成节点导纳矩阵，形成雅可比矩阵等所有计算过程的程序。(power flow )

说明：  矢量匹配，用于拟合函数，以有理分式和的形式(Vector matching, for fitting functions, in the form of rational fraction sum)

说明：  基于改进电弧模型的PSCAD仿真分析，本文件为文献(PSCAD simulation analysis based on improved arc model)

说明：  simulink搭建的全桥整流+buck电路，实现AC到DC，然后DC到DC的变换，其中全桥为SPWM控制。(Simulink built a full bridge rectifier +buck circuit, AC to DC, and then DC to DC transform, in which the whole bridge is SPWM control.)

电力系统负荷预测程序，短期预测，考虑天气、人体舒适度等因素。(Power system load forecasting process, short-term forecasting, considering the weather, human comfort and other factors.)

说明：  热电联供系统多能流建模，采用扩展牛顿—拉夫逊算法统一求解的方法进行计算。(The multi-energy flow model of cogeneration system is modeled and calculated by the unified method of extended Newton-Raphson algorithm.)

说明：  对于已知的电路结构，求解其网络分析的状态变量法(For the known circuit structure, the state variable method is used to solve the network analysis)

说明：  考虑风电场内尾流影响计算风电场内每台风电机组的输入风速，只要修改风机的台数和坐标即可运行(Consider the impact of wind farm wake of typhoon calculated for each wind farm wind power unit input, as long as the number of modified units and coordinate the fan to run)

根据温度/相对湿度/风速/衣服等计算空调环境下人体热舒适PMV-PPD指标。(According to temperature / relative humidity / wind speed / clothing, the PMV-PPD index of human thermal comfort in air conditioning environment is calculated.)