We still haven’t got this DNO G59 issue resolved yet. It seems that the interface relay between the turbine and grid as fitted by the Dutch manufacturers is absolutely fine for some DNOs but not for Manweb. We have tried in vain to explain this, but each DNO has their own rule book probably dating back to when they were established as independent entities even pre-dating the National Grid. We now have to change the relay, which will hopefully satisfy Manweb and allow the G59 test to be performed.
This has not involved me in any extra cost, other than stress, but I do think that the manufacturers should have done their homework a little more thoroughly before selling turbines into the Manweb area. But they will know for the next one!
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