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Issue 387 | GC0035

Issue 387 | GC0035

Josephine Lord Josephine Lord Consultant

Grid Code/ Distribution Code modification industry consultationGC0035 Frequency Changes During Large Disturbances and their Impact on the Total System 25 March 2014 National Grid issued the industry consultation for this proposal on 14 March. It follows further consideration by a joint Grid Code and Distribution Code workgroup after a workgroup consultation in August. The proposal seeks to change the Rate of Change of Frequency (RoCoF) protection settings at new and existing distributed generators in stations of registered capacity of 5MW and above to 1 Hzs-1using a delay setting of 500ms. This is with the exception of synchronous generators commissioned before 1 July 2016 where a ...

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