Siemens Aktiengesellschaft

Siemens Energy Global Gmbh & Co. Kg

Gerhard Schlund

Jan Brückner

Frank Thomas

Joachim Franke

Martin Effert

Gerhard Zimmermann

Tobias Schulze

Joachim Brodesser

Jürgen Birnbaum

Bernd Weissenberger

A method for flexibly operating a nuclear power plant with a waste heat steam generator that operates according to the forced-flow principle and that has heating surfaces of different stages of the waste heat steam generator, the heating surfaces being arranged in the flue gas channel, is provided. In order to increase the output, a mass flow of the feedwater flowing through the heating surfaces is increased while almost simultaneously activating a supplementary firing arranged in the flue gas channel of the waste heat steam generator.

Method for the flexible operation of a power plant

A method for operating a directly heated, solar-thermal steam generator is provided. As per the method, a nominal value {dot over (M)}for the supply water mass flow {dot over (M)} is conducted to an apparatus for adjusting the supply water mass flow {dot over (M)} wherein, at the adjustment of the nominal value {dot over (M)}for the supply water mass flow {dot over (M)}, account is taken of a correction value K, by which the thermal effects of storage or withdrawal of thermal energy in an evaporator are corrected.

Method for operating a directly heated, solar-thermal steam generator

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Dormitz, Germany

Gerhard Schlund