General Electric Company

Christian-Anghel Solacolu

Jason Dean Fuller

Bryan Edward Sweet

Justin Allen

Daniel Richard Waugh

Maxime Buquet

Louis Veltre

Paige Marie Sopcic

Bret Stephen Dalton

Melinda Stephanie Ammerman

Embodiments of the disclosure provide a method for controlling a power generation system during on-line maintenance. The method includes operating the power generation system in a first maintenance mode, which causes a controller of the power generation system to disable an automated response to at least one operational fault of the power generation system; monitoring a risk parameter of the power generation system or at least one sensor within the power generation system while operating the power generation system in the first maintenance mode; and operating the power generation system in a second maintenance mode in response to detecting an override command, an elapsed time exceeding a time limit, or the monitored risk parameter exceeding a safety threshold. The second maintenance mode causes the controller of the power generation system to enable the automated response to the at least one operational fault of the power generation system.

Control of power generation system during online maintenance using multiple maintenance modes

A gas supply system of a gas turbine and a method for controlling an operation of the gas supply system. A gas supply system includes a first valve connected in series to a set of second valves that are in parallel with each other. At least one second valve from the set of second valves is connected to a combustion chamber of the gas turbine. A degree of opening of the first valve and the at least one second valve is changed to in a manner that controls a total mass flow of gas output by the set of second valves during the change in the degree of opening.

Control process for operation of valves of a gas supply device of the gas turbine

A method of testing a gas turbine is provided. The gas turbine includes a first compressor and an expansion turbine coupled by a drive shaft. The method includes operating the gas turbine and a second compressor at a first steady load and a first steady drive shaft speed. The second compressor is rigidly coupled to the drive shaft. The method also includes changing a load of the second compressor by a known amount, and measuring a time required for the gas turbine to stabilize at a second steady load and a second steady drive shaft speed in response to the changed load of the second compressor.

System and method for testing a gas turbine

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Bavilliers, France

Christian-Anghel Solacolu