AncillaryServices.KirschenChapter5Slides.LTEdits.pdf
AncillaryServices.KirschenChapter5Slides.LTEdits.pdf
AncillaryServices.KirschenChapter5Slides.LTEdits.pdf
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Example: Frequency & Reserve Response following<br />
major generation outage in the UK on 15 August 1995<br />
frequency<br />
50.10<br />
50.00<br />
49.90<br />
49.80<br />
49.70<br />
49.60<br />
49.50<br />
49.40<br />
49.30<br />
49.20<br />
12:24:00<br />
12:24:30<br />
Frequency statutory limit (UK)<br />
12:25:00<br />
12:25:30<br />
12:26:00<br />
Primary response<br />
(local gen control)<br />
12:26:30<br />
K/S Figure 5.3<br />
( Note: 50 Hz = UK Nominal Frequency Value )<br />
© Daniel Kirschen & Leigh Tesfatsion 2011 28<br />
12:27:00<br />
12:27:30<br />
Gas turbines<br />
(ISO dispatch)<br />
12:28:00<br />
Secondary response<br />
(central AGC signals)<br />
12:28:30<br />
12:29:00<br />
12:29:30
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