The Voltage Support Strategies For HVDC Feeding Into A Week AC System And Simulation With RTDS

This paper focuses on the stability studies of a AC and DC hybrid system feeding into a week AC system.The paper puts forward the voltage support strategies after a series studies of a week AC system.Additionally,QPC function modules related with simulation and analysis of a week AC system are built based on this model through introducing the features of HVDC-AC control system model.Control principles of reactive power compensation for Heihe HVDC projects have also been studied.According to the actual project,models have been also built with Real-Time Digital Simulator(RTDS) to develop the voltage support strategies of HVDC feeding into a week A C system.