AC System Restoration Using Embedded MT-HVDC

This work ties in with the idea of black start using a meshed MT-HVDC system. In this process, the blacked-out system is resupplied from a healthy control area via the MTHVDC system. A new methodology for prioritizing converters for control power provision in areas with control power providing power plants to relieve the overloading AC lines is presented. A non-communication method via DC voltage control in the meshed HVDC system is demonstrated.