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The wind farm failure which caused a major power cut in Britain last night came just moments after industry bosses had boasted about the success of wind power.
Energy chiefs at Renewable UK revealed on Friday afternoon that wind turbines had been generating 50 per cent of Great Britain's electricity earlier in the day, setting a new record.
Minutes - Hornsea - Offshore - Wind - Farm
Just 44 minutes later, Hornsea Offshore wind farm went offline in the North Sea in one of nearly simultaneous two power failures which brought misery to commuters and left almost a million people cut off from electricity.
Renewable energy sceptics have claimed that relying on wind power is a major risk.
Scientists - Today - Suggestions - Power - Power
However, scientists today played down suggestions that wind power was to blame for the power cuts, and suggested the failure of a gas-fired power plant two minutes earlier might have triggered the wind farm problem.
Professor Tim Green, Co-director of the Energy Futures Laboratory, Imperial College London, defended the use of wind energy to generate power.
Generator - Gas - Plant - Little - Barford
He said: '[The] first generator to disconnect was a gas fired plant at Little Barford at 16:58.
'Two minutes later Hornsea Offshore wind farm seems to have disconnected.
'This - Failure - Error - Generator
'This would seem to be a technical failure [or] error. [It] might be linked to disturbance caused by first generator failing - might not.
'Will need to wait for National Grid's full technical investigation to get to bottom of that.'
Power - Loss - Event - Generation - Speed
He said the power loss event did 'not appear to be due to wind generation reducing owing to reduced wind speed'.
'If that were the case there'd be reduction across many wind farms in same area,' he said.
Loss - Generators - Dip - Frequency - Country
He explained that the loss of two generators would cause a dip in frequency of the country's AC power system, normally maintained at near 50Hz.
To counter-act this there can be 'load shedding' which entails disconnecting some...
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