Reply to post: Re: Working wind turbines won't help...

18 seconds that blacked out South Australia

Pompous Git Silver badge

Re: Working wind turbines won't help...

...if the transmission towers are down...

Quoting from the Report:

The weather resulted in multiple transmission system faults. In the short time between 16:16 and 16:18, system faults included the loss of three major 275 kV transmission lines north of Adelaide.

Generation initially rode through the faults, but at 16:18, following an extensive number of faults in a

short period, 315 MW of wind generation disconnected (one group at 16:18:09, a second group at

16:18:15), also affecting the region north of Adelaide.

The uncontrolled reduction in generation resulted in increased flow on the main Victorian interconnector (Heywood) to make up the deficit.

The implication here is that had the backup gas generation plant been fired up and the wind plant been gracefully powered down rather than allowed to fail, the state could have been islanded. The blackout would have been confined to the north of the state.

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