Protection and local control of HVDC grids

CIGRE has published Technical Brochure 739 that presents the principal design of HVDC meshed grid protection and local control systems. The webinar will present the most important finding and conclusions given in the Technical Brochure. The requirements on HVDC grid protection and control, system earthing schemes, short circuit phenomena, short circuit interruption and short circuit limiting methods, protection philosophies and functions will be presented. The Technical Brochure furthermore includes the possible measurement methods and protection functions for HVDC grid protections including fault location methods to minimise the repair time after a short circuit occurrence to complete the entire protection and local control system.