PSCAD基于两端两电平的柔性直流输电模型，对于研究直流输电建模是一个非常好的参考！-HVDC flexible model based on the two ends of PSCAD level, the study HVDC modeling is a very good reference!

电力系统暂态、稳态分析，电力系统继保，高压直流输电(Power system transient and steady state analysis, power system relay protection, HVDC transmission)