Priority ranking of protection and control
Article 35
1. A control scheme, specified by the HVDC system owner consisting of different control modes, including the settings of the specific parameters, shall be coordinated and agreed between the relevant TSO, the relevant system operator and the HVDC system owner. 2. With regard to priority ranking of protection and control, the HVDC system owner shall organise its protections and control devices in compliance with the following priority ranking, listed in decreasing order of importance, unless otherwise specified by the relevant TSOs, in coordination with the relevant system operator: (a) network system and HVDC system protection; (b) active power control for emergency assistance; (c) synthetic inertia, if applicable; (d) automatic remedial actions as specified in Article 13(3); (e) LFSM; (f) FSM and frequency control; and (g) power gradient constraint.