Distribution Code: DC0079 Frequency Changes during Large Disturbances and their Impact on the Total System (Phase 4 – DCRP/18/08)

Decision

Publication date

Industry sector

Distribution Network

This modification proposes changing the RoCoF settings for all existing <5MW generators connected to the Distribution system. This would bring them into line with the existing requirements for all new generators. This modification also proposes to remove VS as a suitable form of LoM protection from all sizes of existing generators connected to the Distribution System.

We approved this modification on 5 August 2019.

Main document

Distribution Code: DC0079 Frequency Changes during Large Disturbances and their Impact on the Total System (Phase 4 – DCRP/18/08)