Variable_wind_grid

基于PSCAD软件，对变压器的物理模型进行建模，供大家学习(Based on PSCAD software, the physical model of transformer is modeled for everyone to learn.)

油田开发效果评价，考虑非均质性的流管法！输入相渗曲线、高压物性资料、渗透率伽马分布等，即可进行油田水驱开发效果评价！(Oilfield development effect assessment, consider the heterogeneity of the flow tube! Input relative permeability curves, PVT data, the penetration of the gamma distribution, oil field water flooding effect evaluation can be carried out!)

说明：  用于新型空调平行流换热器的matlab程序设计(Matlab programming for new heat exchangers)

说明：  双馈式风力发电机simulink建模，对初学者很有帮助，对风力发电进行模拟(Modeling of doubly-fed wind turbine simulink)

SWAT2012代码，中国地面气候资料日值数据集(V3.0)处理程序(SWAT2012 Code, Processing Procedure for Daily Data Set (V3.0) of Ground Climate Data in China)

求取谐波频率，记算出各次谐波的幅值，有效值(The harmonic frequency is calculated, and the amplitude and effective value of each harmonic are calculated)

《Turbulence models and their application》的附录程序，经典K-ε湍流模型的绝佳教材。(《 Turbulence models and their application》 in the appendix procedure, the classical K-ε turbulence model is an excellent teaching materials.)

双馈风电模型，英文资料已经翻译为中文，根据模型可搭建成功的风机模组，用于模拟仿真。(Double - fed wind power model, the English information has been translated into Chinese, and the model can build a successful wind module for simulation simulation)

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.)

说明：  可实现ieee30节点编号的优化，以及利用稀疏技术存储(It can optimize IEEE 30 node number and store it with sparse technology)