Alstom Technology Limited

Ansaldo Energia IP UK Limited

Martin Nicklas

Stefan Rofka

Jürgen Gerhard Hoffmann

Eribert Benz

Klaus Doebbeling

Frank Sander

Andreas Rueter

Klaus Döbbeling

Jürgen Hoffmann

An exemplary method is disclosed for operating a gas turbine power plant with exhaust gas recirculation, in which the exhaust gas recirculation is, for example, disengaged during starting and shutting down of the gas turbine, and in which the engaging or disengaging of the exhaust gas recirculation can be carried out in dependence upon an operating state of the gas turbine. An exemplary gas turbine power plant with exhaust gas recirculation is also disclosed which can include a control element, the closing speed of which is such that the control element can be closed within a time which is less than a time for exhaust gases to flow from the turbine through an HRSG.

Method for operating a gas turbine power plant with exhaust gas recirculation

With a method for controlling a gas turbine in a power plant, a multiplicity of operating lines for the gas turbine for different gas turbine inlet temperatures TIT or gas turbine exhaust temperatures TAT and positions of the compressor inlet guide vane cascade VIGV are specified as a function of the load. For minimizing the electricity production costs during operation switching can be optionally carried out between different operating lines during constant or varying power output of the power plant.

Method for controlling a gas turbine in a power plant and power plant for carrying out the method

Growing community of inventors

Spiegel b. Bern, Switzerland

Martin Nicklas