CLUTCHED STEAM TURBINE LOW PRESSURE SECTIONS AND METHODS THEREFORE
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United States of America Patent
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Issued Date -
Dec 9, 2010
app pub date -
Jun 4, 2009
filing date -
Jun 4, 2009
priority date (Note) -
Abandoned
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Abstract
Solutions for clutching steam turbine low pressure sections are disclosed. In one embodiment, a system includes: a first low pressure steam turbine including a first shaft; a second low pressure steam turbine including a second shaft; a clutch for coupling and uncoupling the first shaft and the second shaft; a conduit for delivering a working fluid to the first low pressure steam turbine and the second low pressure steam turbine; a valve within the conduit, the valve having an open position and a closed position, the closed position preventing flow of the working fluid to the second low pressure steam turbine; and a controller for operating the clutch and the valve, the controller uncoupling the second shaft from the first shaft and closing the valve in response to the first and second low pressure steam turbine attaining a predetermined low part load.
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