Coordinated Control Strategies of China-Russia BTB-HVDC and SVC

This paper discusses the performance of the SVC ( static var compensator ) linked to the inverter side of China-Russia Heihe BTB (back-to-back) HVDC project. Detailed Heihe BTB-HVDC primary system, China side AC 500/220kV electromagnetic loop network, the control system of BTB-HVDC and SVC are modeled using the electromagnetic transient simulation software PSCAD/EMTDC. Based on the detailed models, the interaction between SVC and BTB-HVDC is analyzed, and the effectiveness of the coordinated control strategies is verified.