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Q&A: What is the typical start up and shut down time of a steam turbine generator set?

Question by Sarah: What is the typical start up and shut down time of a steam turbine generator set?
Just looking for a very basic range. I know a typical full load test is around 4 hours, but how long does it take to get to that point? And how long does it take to go from running a full load to being completely powered off? Is it seconds, minutes, hours, days?? Any ideas or references would be much appreciated.

Best answer:

Answer by Simon R
If steam is available then zero to full might be about 30 seconds
If you include the steam generating plant, hours is typical.

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