Abstract: Systems for cooling turbine components via fluid filled conduits are disclosed. Various embodiments include a system having: a set of fan systems for cooling a set of conduits, the set of conduits fluidly connected with a turbine component; a temperature sensor operably connected to the turbine component, the temperature sensor for obtaining a temperature indicator of the turbine component; and a control system operably connected to the set of fan systems and the temperature sensor, the control system for modifying a speed of at least one fan system in the set of fan systems across a range of speeds in response to determining the temperature indicator deviates from a predetermined range of temperature values.

Abstract: The present application and the resultant patent provide a gas turbine engine system. The gas turbine engine system may include a gas turbine engine, a water wash system, and a system controller. The gas turbine engine may include a compressor, a combustor in communication with the compressor, and a turbine in communication with the combustor. The water wash system may be in communication with the gas turbine engine and configured to remove contaminants therefrom. The water wash system may include a number of valves configured to control flows through the water wash system, and a number of sensors configured to measure operating parameters of the water wash system. The system controller may be in communication with the valves and the sensors and operable to automatically control the valves upon receiving operating parameter signals from the sensors in order to perform a wash of the gas turbine engine.

Abstract: An exhaust gas recirculation system that includes an exhaust gas recirculation regulator operatively connectable to a turbomachine system, and regulating a predetermined amount of exhaust gas to be recirculated. The exhaust gas recirculation system further includes a measuring unit that measures fuel composition of incoming fuel, and a control unit connected to the EGR regulator and the measuring unit, and determining a Wobbe Index and/or reactivity of the incoming fuel based on the measured fuel composition and determining the predetermined amount of exhaust gas to be recirculated based on the determined Wobbe Index and/or reactivity.

Abstract: The present application and the resultant patent provide a gas turbine engine system. The gas turbine engine system may include a gas turbine engine, a water wash system, and a system controller. The gas turbine engine may include a compressor, a combustor in communication with the compressor, and a turbine in communication with the combustor. The water wash system may be in communication with the gas turbine engine and configured to remove contaminants therefrom. The water wash system may include a number of valves configured to control flows through the water wash system, and a number of sensors configured to measure operating parameters of the water wash system. The system controller may be in communication with the valves and the sensors and operable to automatically control the valves upon receiving operating parameter signals from the sensors in order to perform a wash of the gas turbine engine.

Abstract: A turbine power generation system with enhanced cooling provided by a stream of carbon dioxide from a carbon dioxide source and a method of using a stream of carbon dioxide to cool hot gas path components. The turbine power generating system includes a compressor, a combustor, a turbine, a generator, and at least one shaft linking the compressor and turbine and generator together such that mechanical energy produced from the turbine is used to drive the compressor and the generator. Carbon dioxide that is sequestered from the exhaust of the turbine may be stored and injected back into the turbine to cool hot gas path components of the turbine.

Abstract: Systems for cooling turbine components via fluid filled conduits are disclosed. Various embodiments include a system having: a set of fan systems for cooling a set of conduits, the set of conduits fluidly connected with a turbine component; a temperature sensor operably connected to the turbine component, the temperature sensor for obtaining a temperature indicator of the turbine component; and a control system operably connected to the set of fan systems and the temperature sensor, the control system for modifying a speed of at least one fan system in the set of fan systems across a range of speeds in response to determining the temperature indicator deviates from a predetermined range of temperature values.

Abstract: A turbomachine includes a nozzle. The nozzle includes an end portion and an airfoil portion. A diaphragm is mounted to the end portion of the nozzle in a wheel space portion of the turbomachine. The diaphragm includes an external surface and an internal surface. The diaphragm also includes at least one thermocouple well receiving portion formed in one of the external surface and the internal surface. A thermocouple well is mounted in the at least one thermocouple well receiving portion. The thermocouple well includes a first end exposed to the wheel space portion of the turbomachine and a second end exposed at the internal surface of the diaphragm.

Abstract: A system for modulating a frequency output of a generator coupled to an electric distribution network is described herein. The system includes: a doubly-fed induction generator coupled to a power source selected from at least one of hydropower and fuel combustion, the generator providing an electrical power output having a first frequency based on a rotational speed of the generator; a controller for selecting the rotational speed of the generator; and a converter coupled to the generator for changing the frequency of the output to a selected value, in response to selecting the rotational speed. Methods for modulating a frequency output of a generator coupled to an electric distribution network are also described.

Abstract: A heat detector comprising a housing member, a first hermetic connector portion connected to the housing member, a sensor member disposed in the housing member operative to detect a temperature, and a first contact portion disposed in the first hermetic connector portion, wherein the contact portion is connected to the sensor member.

Abstract: A system for modulating a frequency output of a generator coupled to an electric distribution network is described herein. The system includes: a doubly-fed induction generator coupled to a power source selected from at least one of hydropower and fuel combustion, the generator providing an electrical power output having a first frequency based on a rotational speed of the generator; a controller for selecting the rotational speed of the generator; and a converter coupled to the generator for changing the frequency of the output to a selected value, in response to selecting the rotational speed. Methods for modulating a frequency output of a generator coupled to an electric distribution network are also described.

Abstract: A method for operating a system comprising a number of fluid streams and a number of components include a device is provided. The method comprises separating a cooling fluid from an exhaust stream discharged from a device and transferring heat to the cooling fluid from at least one of the number of fluid streams, at least one of the number of components, or both. A system comprising a number of fluid streams, a number of components including a device comprising an exhaust for discharging an exhaust stream, a separator for separating a cooling fluid from the exhaust stream, and a heat exchanger is provided. The heat exchanger transfers heat to the cooling fluid from at least one of the number of fluid streams, at least one of the number of components, or both.

Abstract: An exhaust gas recirculation system that includes an exhaust gas recirculation regulator operatively connectable to a turbomachine system, and regulating a predetermined amount of exhaust gas to be recirculated. The exhaust gas recirculation system further includes a measuring unit that measures fuel composition of incoming fuel, and a control unit connected to the EGR regulator and the measuring unit, and determining a Wobbe Index and/or reactivity of the incoming fuel based on the measured fuel composition and determining the predetermined amount of exhaust gas to be recirculated based on the determined Wobbe Index and/or reactivity.

Abstract: Methods and systems for inspecting rotatable machine components are provided. The system includes a fiber optic port configured to extend through a first aperture of a machine casing wherein the port includes an interior end and an exterior end. The system further includes an imager configured to optically couple to the exterior end. The imager includes a light intensifier capable of generate images of inspection components though the port using ambient light. The imager further includes an image capture gate configured to control an acquisition time of the generated images.

Abstract: Methods and systems for inspecting rotatable machine components are provided. The system includes a fiber optic port configured to extend through a first aperture of a machine casing wherein the port includes an interior end and an exterior end. The system further includes an imager configured to optically couple to the exterior end. The imager includes a light intensifier capable of generate images of inspection components though the port using ambient light. The imager further includes an image capture gate configured to control an acquisition time of the generated images.