FCAS in Action – What Happens When a Generator Trips? (or Never let the data get in the way of a good story)
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Wow! The original article completely tried to bamboozle everybody by using two different scales on the same graph when a 560 MW coal plant suddenly tripped offline in Australia. Here is what was original published.
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Notice the "100MW" BigF'nBattery in South Australia barely threw out 8 MW for only 3 minutes! Here it is on an equivilent scale.
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The rest of the thermal backup capacity responded to fill the loss of a tripped 560 MW coal plant within 15 seconds. The batteries are barely visible on this scale, second from the top under the hydro.
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The scale of our dilemma in replacing fossil fuels with wind, solar, and batteries, is not at all yet comprehended by most.