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Title:
METHOD AND DEVICE FOR CONTROLLING A TEMPERATURE OF STEAM FOR A STEAM POWER PLANT
Document Type and Number:
WIPO Patent Application WO/2013/072464
Kind Code:
A3
Abstract:
The invention relates to a method for controlling a temperature (ϑD) of steam (8) for a steam power plant (2). A state regulator (30) controls the temperature (ϑD) of the steam (8) at an outlet of a superheater (6) using a feedback of multiple medium states of the steam (8) in the superheater. The aim of the invention is to achieve a stable and precise control of the steam temperature. This is achieved in that the state regulator (30) is a linear regulator, the feedback matrix of which is ascertained such that the regulator has the control quality of a linear-quadratic regulator.

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Inventors:
WENDELBERGER KLAUS (DE)
Application Number:
PCT/EP2012/072844
Publication Date:
May 30, 2014
Filing Date:
November 16, 2012
Export Citation:
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Assignee:
SIEMENS AG (DE)
International Classes:
F01K13/02
Domestic Patent References:
WO2011069700A22011-06-16
Foreign References:
EP2244011A12010-10-27
DE19545520A11996-06-13
US4027145A1977-05-31
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