Siemens Aktiengesellschaft

Siemens Energy Global Gmbh & Co. Kg

Matthias Heue

Gerta Zimmer

Norbert Pieper

Stefan Glos

Ulrich Beul

Edwin Gobrecht

Martin Ophey

Ernst-Wilhelm Pfitzinger

Thomas Hofbauer

Erich Schmid

Volker Vosberg

Andreas Ulma

Ralf Bell

Armin De Lazzer

Dieter Minninger

Martin Bennauer

Stefan Riemann

Matthias Migl

Stefan Dahlke

Mario Koebe

Markus Kunze

Kai Brune

Rudolf Pötter

Bernd Stöcker

Henning Almstedt

Marc Borowski

Christoph Schindler

David Veltmann

Sebastian Zahn

Bernd Leu

Uwe Gruschka

Martin Lenze

Carsten Kaufmann

Hajrudin Ceric

Axel Schaberg

Stephan Schmidt

Steffen Skreba

Robin Burzan

Jan Greis

Tobias Hogen

Klaus Rothe

Ralf Hoffacker

Nils Lückemeyer

Roland Sievert

Dirk Knudsen

Thomas Matern

Michael Schütz

Andreas Schaarschmidt

Michael Löhr

Roger Waldinger

Hartmut Popella

Benedikt Hofmeister

A method for synchronising a turbine with an AC network having a network frequency, having the following steps: A) accelerating the turbine up to a stated rotational speed, without taking into consideration a difference angle between the turbine and the AC network; B) detecting a difference angle between the turbine and the AC network; C) accelerating or decelerating the turbine in such a way that the differential speed follows a target trajectory, wherein the target trajectory is a trajectory that indicates a target rotational speed depending on the detected difference angle, such that a target angular position that is suitable for a synchronous supply is achieved between the turbine and AC network.

Synchronising a turbine with an AC network according to a target trajectory for the target difference angle

A method for operating a combined cycle power plant, wherein the combined cycle power plant has a gas turbine and a steam turbine and also a shutting-down device, and wherein, for shutting down the gas turbine and the steam turbine, the gas turbine and the steam turbine are operated within a time window that extends from the beginning of the shutting-down procedure at a first time to the falling of the steam temperature to a lower limit value at a second time by the shutting device in such a way that the gas turbine and the steam turbine are relieved substantially at the same time and the block power falls to zero, thermal energy that is stored in the combined cycle power plant preventing immediate falling of a steam temperature to operation below a minimum power output of the gas turbine within the time window.

Method for shutting down a gas turbine and a steam turbine of a combined cycle power plant at the same time

A turbine control unit and method for controlling a turbine, in particular for controlling the start-up of a turbine, the unit being designed as a cascade controller having a master controller and an inner controller, the master controller being a thermal stress controller for the components subjected to thermal stress.

Turbine control unit comprising a thermal stress controller as a master controller

A method for starting a steam turbine system having a steam generator, a steam turbine which is connected to the steam generator and includes at least two turbine stages that, at the time of starting the steam turbine system, have different outlet temperatures, a condenser connected to the steam turbine and a consumer driven by the steam turbine, in which the steam generated in the steam generator is used to start the steam turbine, wherein, until the steam generated in the steam generator reaches a predetermined temperature that at least corresponds to the temperature requirement of the turbine stage with the higher outlet temperature, only the turbine stage with the lower outlet temperature is operated, and in that the turbine stage with the higher outlet temperature is brought on-line only once the predetermined temperature has been reached.

Method for starting a steam turbine system

A method and associated control device for synchronizing a turbine with an alternating current network having a network frequency, having the following steps: A) accelerating the turbine up to a frequency in the range of the network frequency; B) sensing an angle difference between the turbine and the alternating current network; C) sensing a speed difference between the turbine and the alternating current network; D) accelerating or decelerating the turbine such that the turbine follows a desired trajectory, wherein the desired trajectory is a trajectory calculated in advance that indicates, in dependence on the angle difference, a desired speed difference that should be present such that a target angular position between the turbine and the alternating current network suitable for synchronous feed-in is achieved when the speed of the turbine and the speed of the alternating current network correspond.

Method and control device for synchronizing a turbine with the current network

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 steam cycle for a power station, and to a method for operating, in particular for starting, a steam cycle. The steam cycle has a high-pressure turbine, a condenser and a steam generator. The steam generator is connected to the high-pressure turbine via a first line. Live steam quick-closing valves and live steam regulating valves for supplying the high-pressure turbine are arranged in the direction of the steam flow between the steam generator and the high-pressure turbine. A starting line is arranged downstream of the high-pressure turbine in the direction of the steam flow, the starting line connecting a waste steam region downstream of the high-pressure turbine with the condenser. At least one regulator regulates a closing of a starting valve for sealing the starting line, and an opening of the live steam valve, depending on the rotational speed, a temperature and load state of the high-pressure turbine.

Steam cycle, and method for operating a steam cycle

A method for operating a steam power station is provided. The steam turbine power station includes at least one steam turbine and a process steam consumer, wherein a steam mass flow is subdivided into a first partial mass flow and a second partial mass. In a first operating state, the first partial mass flow is supplied to the steam turbine and the second partial mass flow is supplied to the process steam consumer. In a second operating state, at least part of the second partial mass flow is supplied to the steam turbine at least after the first turbine stages. A steam power station is also provided.

Method and device for operating a steam power station comprising a steam turbine and a process steam consumer

A method for operating a multi-step steam turbine operating in high temperature conditions is provided. The rotor is embodied as a welded construction including a first component and a second component. A coolant is supplied to the steam turbine after an intermediate state when the steam turbine is in the light-load or no-load phase. As a result, the thermal loads in the outflow area of the steam turbine are reduced.

Method for operating a multi-step steam turbine

Disclosed is a gas turbine for a thermal power plant, especially a gas turbine, comprising a rotatable rotor and a duct which can be penetrated by a gas and in which turbine blades for driving the rotor are disposed. The inventive gas turbine is characterized by a blocking device which at least partially prevents the gas from penetrating the duct in a closed position.

Gas turbine for a thermal power plant, and method for operating such a gas turbine

A method for operating a gas and steam turbine system is provided. The system includes a frequency converter which is assigned to a starting device of a gas turbine, and a generator which is assigned to a steam turbine. The intention is to be able to obtain a particularly high level of operational flexibility with particularly low mechanical complexity. For this purpose, the electrical power of the generator is fed into a consumer system via the frequency converter.

Operation of a gas and a steam turbine system by means of a frequency converter

The invention relates to a method for increasing the steam mass flow of a high-pressure steam turbine of a steam power plant, particularly a steam power plant including reheating, during a start-up phase of the steam power plant, particularly also during an idle period of the steam power plant, wherein at least one electric consumer is connected upstream of a generator of the steam power plant before synchronization with a power supply grid. The invention further relates to a steam power plant, comprising a generator, a high-pressure steam turbine, and at least one electric consumer, which can also be connected during a start-up phase of the steam power plant, particularly also during an idle period of the steam power plant, in order to increase a steam mass flow of the high-pressure steam turbine before a synchronization process of the generator with a power supply grid.

Turbine blade

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Bochum, Germany

Matthias Heue