Survey of Studies on Transient Voltage Stability of AC/DC Power System

Converters of AC/DC power transmission systems consume lots of reactive power,which brings about great severe challenges for transient voltage stability of AC/DC power transmission systems.Therefore,the study on transient voltage stability of AC/DC power systems is of great importance.Some main research contents of transient voltage stability are presented, including the factors impacting transient voltage stability, analysis methods and stability criteria;some obtained research results in recent twenty years are reviewed;and finally the measures to prevent transient voltage instability of AC/DC power systems are proposed.Besides,the research contents of key problems of multi-infeed AC/DC power systems,such as mechanism of voltage stability and load model,are presented.