differential_protection

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：  对于电力系统网络，当其发生小电流接地故障时，分析其特性(For power system network, its characteristics are analyzed when a small current grounding fault occurs)

说明：  有源滤波器，用于过滤负载谐波电流和补偿无功功率，使得输电线路上的电流为基波分量。(Active power filter (APF) is used to filter load harmonic current and compensate reactive power, so that the current on the transmission line is the fundamental component.)

通过遗传算法，实现了对齿轮传动系统的优化(Through genetic algorithm, the optimization of gear transmission system is realized.)

说明：  dcdc仿真电路的PSCAD仿真C语言嵌入式开发(Embedded development of PSCAD simulation C language for dcdcdc simulation circuit)

热电联供系统多能流建模，采用扩展牛顿—拉夫逊算法分解求解的方法进行计算。(The multi-energy flow model of cogeneration system is established, and the extended Newton-Raphson decomposition method is used to calculate the multi-energy flow.)

用于计算石油工业中油管内的循环压耗，可以解决石油工业中的有关管路压耗计算的问题。(failed to translate)

该程序计算翅片式冷凝器选型软件，制冷剂为R22,根据冷媒侧进出口参数求换热面积。比较实用的(The program calculates fin type condenser selection software, refrigerant R22, according to refrigerant side inlet and outlet parameters for heat exchange area. More practical)

说明：  本模型为单项你变模型，将直流电逆变成方波，分别采用四个脉冲发生器控制四个晶闸管，经滤波后得到输出结果。(This model is a single variable model, which transforms the direct current into square wave, uses four pulse generators to control four thyristors, and gets the output result after filtering.)

微燃机模型，用于CCHP系统仿真，应用于电力系统(Micro turbine model for CCHP system simulation, applied to power systems)