Siemens Aktiengesellschaft

Sebastian Zahn

Gerta Zimmer

Robin Burzan

Matthias Heue

Andreas Ulma

Uwe Zander

Andrey Mashkin

Matthias Kowalski

Ralf Bell

Stefan Riemann

Christian Jäkel

Esteban Grau Sorarrain

Mario Koebe

Henning Almstedt

Ulrich Beul

Florian Röhr

Yevgen Kostenko

Tobias Hogen

Kai Brune

Benedikt Hofmeister

Michael Löhr

Andreas Schaarschmidt

Alexander Münnekhoff

The invention relates to a control system for reducing rotor vibrations, in particular the variability thereof, in shafting, in particular turbine shafting, in which the temperature of the bearing () of the shaft is measured and the oil () supplied to the bearing is adjusted to a temperature as is assigned as the output variable in an allocation for minimised rotor vibrations with the measured temperature of the bearing as the input variable. The allocation can, for example, be provided by an initial measurement of the rotor vibrations or by a self-learning system. According to the invention, the variability of the rotor vibrations is restricted.

Control system for adjusting the temperature of bearing oil for the purpose of minimizing rotor vibrations

A method is provided for carrying out a sound test for detecting and/or analyzing material faults and/or mounting faults of at least one component, in which the component is excited, by striking, to experience vibrations which generate soundwaves, after which the generated soundwaves are detected and conclusions are drawn about material faults and/or mounting faults on the basis of the detected soundwaves, wherein the striking of the component and the detection of the vibrations are carried out using an endoscope device. In addition, embodiments of the present invention relates to an endoscope device which is configured to carry out the method.

Method for carrying out a sound test of atleast one component and endoscope device used for the same

A method for heating up a steam turbine or for keeping a steam turbine hot, which steam turbine has at least one pressure stage working at an initial pressure or intermediate pressure, at least one final pressure stage which is fluidically connected downstream of the pressure stage and works at a final pressure which is lower than the initial pressure or intermediate pressure, and at least one condenser which is connected downstream of the final pressure stage, wherein steam generated outside the steam turbine is introduced into the pressure stage. After flowing through the pressure stage and bypassing the final pressure stage, the steam is supplied directly to the condenser.

Method for heating up a steam turbine or for keeping a steam turbine hot

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Duisburg, Germany

Sebastian Zahn