machines

说明：  虚拟同步发动机的仿真模型 好用的一个基本模型(Virtual Synchronous Generator simulation)

该文件是优秀论文并带有相应的源码。在Matlab软件平台上，对所提出的基于遗传算法的电力系统电力市场分段竞价交易算法进行了阶梯型报价曲线、线性报价曲线这两种常用报价曲线情况下的算例验证，计算结果显示算法的寻优效果因报价曲线性质的不同而略有区别，但两种情况均可得到优化的购电费用。实验结果证明了该算法应用于分段竞价模型的有效性和可行性，且不受报价曲线形式的限制。(The document is an excellent paper with a corresponding source code. In the Matlab software platform for the proposed genetic algorithm-based power systems market segment auction algorithms offer ladder-type curve, the two commonly used linear bidding curve bidding curve example in case of validation, the results show algorithm optimization results for the different nature of bidding curve slightly different, but both cases can be optimized for power purchase costs. Experimental results show that the algorithm is applied to sub-effectiveness and feasibility of bidding model, and is not limited form of bidding curve.)

说明：  simulink PMSM 三相逆变器电压单闭环控制，DC-AC-DC-AC(simulink PMSM DC-AC-DC-AC)

无刷直流电动机（BLDCM）PWM闭环控制的MATLAB/SIMULINK仿真，包含电压，电流，转速等波形，比较好用(Brushless DC motor (BLDCM) PWM closed-loop control of MATLAB/SIMULINK simulation, including voltage, current, speed, etc. waveform, relatively easy to use)

电力行业专用的潮流计算软件，能够执行复杂的系统潮流计算分析。(Power flow calculation of industry-specific software, can perform complex flow calculation analysis.)

ansys apdl语言的经典例子，多数用在结构分析上，尤其是在振动计算，疲劳分析上有多个例子。(ansys apdl examples)

关于链式STATCOM的PWM控制策略的探究，并详细介绍了载波移相控制方式(On the PWM control strategy for STATCOM chain to explore, and details of the carrier phase shift control)

基于MATLAB中的Simulink模块中的双馈风机仿真示例，在此基础上重新设定合理的风机、配网及大电网的参数，设计加入四分量叠加法的风速模型。同时设计了110KV电网电压突然下降，在风电场并网点选择不同模式下的仿真结果分析和35KV配网发生三相短路故障时的风电机组输出特性仿真(Based on the simulation example of the doubly fed fan in the Simulink module in MATLAB, the parameters of the rational fan, distribution network and large power grid are reset on this basis, and the wind speed model with four component superposition method is designed. At the same time, the sudden drop of 110KV power grid voltage, simulation results analysis in different modes of wind farm and dot selection and the simulation of the output characteristics of the wind turbine when the three-phase short circuit fault occurs in the 35KV distribution network)

说明：  计算线路载流容量,有助于把握输电线路的最大允许载流(calculate the thermal rating of overhead conductor)

光伏模型 扰动法MPPT 逆变器采用电压-频率控制(Photovoltaic model P&O method MPPT The inverter adopts voltage frequency control)