Steam turbine control device
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United States of America Patent
Stats
-
Feb 14, 2017
Grant Date -
Nov 6, 2014
app pub date -
Jul 16, 2014
filing date -
Jan 17, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A steam turbine control device has first and second valves, first and second valve controllers, and a valve control adjuster. The first valve is provided in a first steam supply path connected to a steam turbine. The second valve is provided in a second steam supply path connected to a lower-pressure side of the steam turbine while bypassing the first valve from on the first steam supply path. The first valve controller controls an opening degree of the first valve based on flow rate information A designating a flow rate of steam to be sent to the steam turbine. The second valve controller controls an opening degree of the second valve based on the flow rate information A. The valve control adjuster adds adjustment to control of the opening degree of the second valve by the second valve controller.
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