Control system for matching the output of a steam turbine to a changed load
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United States of America Patent
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Dec 15, 2015
Grant Date -
Apr 3, 2014
app pub date -
Apr 25, 2012
filing date -
May 5, 2011
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Abstract
The invention relates to a control system for matching the output of a steam turbine (2) to a changed load, in particular for the short-term matching of the output of a power plant steam turbine (2) to changed network loads within the context of primary control. The control system according to the invention is characterized by a heat store (33) which, when there is an increased volume of steam tapped off from the steam turbine (2) under a correspondingly reduced load, extracts heat from the steam and which, when there is a reduced quantity of steam tapped off from the steam turbine under a correspondingly increased load, gives up heat to a steam/feed water circuit supplying the steam turbine (2).
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