PSCAD自己搭建的锁相环模型，输入为线电压，可以消除直流分量对其的影响。-Phase-locked loop PSCAD build their own model, the input line voltage, it can eliminate the influence of the DC component thereof.

用于PSCAD的元件库模型，可以用于搭建柔性直流输电的MMC模型，使用此元件库更加方便，实用。-For the PSCAD component library model, can be used to build flexible DC transmission of the MMC model, the use of this component library more convenient and practical.

Perform two phase equilibrium calculation with successive substitution method (SSM) for the below five-component system at 390K and selected pressure points (4.42, 5, 5.55 MPa) to determine vapor phase fraction, vapor/liquid phase composition and ite

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