The Harmonic Stability Analysis of Deyang Converter Station
According to the nonlinear of the converter in the DC converter station caused by the harmonic stability problem,established the simulation model based on Deyang converter station actual equipments conditon,and simplified it equivalently through the Thevenin equivalent theorems,using the changes of the system short circuit ratio analysed the main influence factors of harmonic instability in Deyang converter station,and some important conclusions are obtained that the secondary harmonic content changes of AC voltage and current play a leading role in the possible existence of harmonic instability in Deyang converter station.