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| Number | Title | Issue Date |
| 8112184 | Auxiliary power unit with dual use of speed signals An auxiliary power unit has a speed sensor for sensing a speed of operation of the auxiliary power unit. The speed sensor sends a signal to an electronic control box. The electronic control box is operable to control the auxiliary power unit. A branch line is for co... | 02/07/2012 |
| 8082067 | Method and system of controlling a hydroelectric plant An embodiment of the present invention may incorporate an adaptive model based control (MBC) for determining a physical parameter including: generator output, head, generator speed, or the like. The adaptive MBC may reduce the need for pre-defined control curves. Th... | 12/20/2011 |
| 7509189 | Turbo machinery speed monitor This invention relates to a speed monitor apparatus for monitoring speed and acceleration of rotating turbine equipment (turbomachinery) and for operating an overspeed trip to shut down the equipment in the event that the speed or acceleration exceed predetermined t... | 03/24/2009 |
| 7369932 | System and method for turbine engine fault detection using discrete event system modeling A system and method is provided for fault detection in a turbine engine. The fault detection system and method uses discrete event system modeling to provide improved fault diagnosis and prognosis. The fault detection system and method receives sensor taken at multi... | 05/06/2008 |
| 7356383 | Methods and apparatus for optimizing combined cycle/combined process facilities Methods and systems for operating combined cycle electrical generating plants is provided. The method includes simulating the electrical power plant performance, simulating the steam utilizing process plant performance, parameterizing plant equipment and plant perfo... | 04/08/2008 |
| 7231282 | Device and method for a functional test of one wind turbine generator plant A method for a functional test of a wind turbine generator plant which comprises the following procedural steps: a control unit for the wind turbine generator plant reads in actual values from at least one structural part of the wind turbine generator plant and gene... | 06/12/2007 |
| 7219507 | Configurable, nonlinear fan control for system-optimized autonomous cooling Disclosed herein are methods and systems for controlling fan speed by approximating a nonlinear temperature control function activated within a given temperature control range. The temperature control range is divided into numerous linear segments each of which is a... | 05/22/2007 |
| 7099800 | Method and a computer for handling operational data of wind power plants Example embodiments of the present invention relate to a method for collecting data from a wind turbine plant, where data are collected regularly. The collected data made can be stored, where corrections are performed on the stored data. The method also maintains or... | 08/29/2006 |
| 7092795 | Turbine apparatus and governor for turbine In a turbine apparatus comprising a runner rotatable to be rotationally driven by a water, a gain of a derivative calculation element generating a derivative component of a control signal for controlling a flow rate of the water which derivative component is to be a... | 08/15/2006 |
| 7073335 | Gas storage power station The present invention relates to a gas storage power station (1) having a turbine group (3) and a compressor group (4). The turbine group (3) has at least one turbine (5, 6) and a generator (10). During normal operation of t... | 07/11/2006 |
| 7072744 | Turbine apparatus and governor for turbine In a turbine apparatus comprising a runner rotatable to be rotationally driven by a water, a gain of a derivative calculation element generating a derivative component of a control signal for controlling a flow rate of the water which derivative component is to be a... | 07/04/2006 |
| 7065471 | Method and system for diagnosing state of gas turbine An operation monitoring unit 11 for acquiring process data from sensors 10 installed to a gas turbine and operation information of the gas turbine; communication units 12, 14 for transmitting each of said two kinds of data on the gas turbine acq... | 06/20/2006 |
| 7040336 | Gas delivery system for supplying gas to semiconductor manufacturing equipment A gas delivery system for providing a gas to manufacturing equipment includes a gas supply unit for providing the gas to the manufacturing equipment including devices to regulate the supply of gas from the gas supply unit to the manufacturing equipment. The system i... | 05/09/2006 |
| 7028479 | Method and device for operating a steam turbine comprising several no-load or light-load phases A method and a device are for operating a steam turbine in which includes several no-load or light-load phases. All phases are supplied with steam in order to ensure good preheating. The supply of a phase is selected in such a way that the phase produces the least p... | 04/18/2006 |
| 7013644 | Organic rankine cycle system with shared heat exchanger for use with a reciprocating engine In order to effectively extract the waste heat from a reciprocating engine, the normal heat exchanger components of an engine are replaced with one or more heat exchangers which have the motive fluid of an organic rankine cycle system flowing therethrough. With the ... | 03/21/2006 |
| 6999840 | Vacuum pump A vacuum pump (10) includes a control device (20) for processing operational data and operational instructions. Further, the vacuum pump (10) includes a touch screen (40) serving as display for displaying the operational data callable fro... | 02/14/2006 |
| 6941217 | Microprocessor-based control system for gas turbine electric powerplant A microprocessor-based control system for a gas turbine electrical powerplant. the microprocessor-based control system controls the startup, operation, and shutdown of the gas turbine electric powerplant. The microprocessor-based control system of the present invent... | 09/06/2005 |
| 6912855 | Method for the primary control in a combined gas/steam turbine installation The aim of the invention is to improve a method for the primary control so that reserve power that is practically completely available for the effective frequency boost within seconds is available also in the stem turbine part of a gas/steam turbine installation. To... | 07/05/2005 |
| 6909942 | Method for power distribution system components identification, characterization and rating A method for operating a power distribution system is provided. The power distribution system includes a plurality of components, and at least one node electronics unit coupled to at least one control processing unit. The method includes associating a unique identif... | 06/21/2005 |
| 6834226 | Multiple control loop acceleration of turboalternator after reaching self-sustaining speed previous to reaching synchronous speed A method of operating a turboalternator when the turbine engine speed is between synchronous speed and self-sustaining speed. ... | 12/21/2004 |
| 6789000 | Microprocessor-based control system for gas turbine electric powerplant A microprocessor-based control system for a gas turbine electrical powerplant the microprocessor-based control system controls the startup, operation, and shutdown of the gas turbine electric powerplant. The microprocessor-based control system of the present inventi... | 09/07/2004 |
| 6725103 | Process control system A process control system in a multi-input/output coordinate control system for executing coordinate control of a main input. The process control system sets an operating point set value for an operating point of an n-th control output, generates the n-th control out... | 04/20/2004 |
| 6721631 | Method for remote monitoring of gas turbine The state of combustion oscillation in the combustor of a turbine of a power plant is monitored from a remote monitoring center. To monitor the combustion oscillation state, combustion oscillation data on the combustor is separated into two types of data: the first ... | 04/13/2004 |
| 6490506 | Method and apparatus for monitoring hydroelectric facility maintenance and environmental costs A system for monitoring maintenance information in a hydroelectric power generation facility comprises sensors coupled to a controller. The sensors detect actual levels of operating parameters for a desired operating period at an operating condition. The ... | 12/03/2002 |
| 6351692 | Method and apparatus for configuring a genset controller for operation with particular gensets A genset controller that is configurable for controlling a variety of types of gensets, as well as a method of configuring a genset controller for controlling a genset, are disclosed. The genset controller includes a memory for storing a plurality of soft... | 02/26/2002 |
| 6264432 | Method and apparatus for controlling a pump A control for a pump detects an operational characteristic thereof and applies power to a power unit in dependence upon the detected operational characteristic to automatically and electronically control pump priming and stroke length.... | 07/24/2001 |
| 5838588 | Graphical user interface system for steam turbine operating conditions A graphical user interface provides a real-time information display for a supervising engineer in charge of turbine operation so that critical parameter values and undesirable combinations of operating conditions are readily observed and deviations are ma... | 11/17/1998 |
| 5770895 | Operation control device and method for a plurality of electric power consuming systems An operation control device for use in an electric power supply system for supplying electric power from one electric power source to a plurality of electric power consuming systems, which can determine based on an outside signal whether or not the electr... | 06/23/1998 |
| 4687946 | System and method for operating a steam turbine with digital computer control and with improved monitoring A steam generator in an electric power generating system is controlled by controlling turbine steam flow with control signals generated by a programmed digital computer system during startup, synchronization and load operation. The digital computer contro... | 08/18/1987 |
| 4635209 | Overspeed protection control arrangement for a steam turbine generator control system In a steam turbine control system three overspeed protection circuits (OPC) are provided, each one being identical to the others and each having a programmable digital computer in two-way data communication with a master controller, as well as with the ot... | 01/06/1987 |
| 4603394 | Microprocessor-based extraction turbine control A microprocessor-based controller for an extraction type steam turbine-generator unit capable of selecting from a variety of predetermined control strategies and implementing corresponding valve position control loops by generating appropriate valve posit... | 07/29/1986 |
| 4593364 | Floating deadband for speed feedback in turbine load control A speed feedback loop for load control regulation of a steam turbine. A difference between rated and actual turbine speed results in a speed error to which a deadband function is applied. Operation is such that the deadband, rather than being centered abo... | 06/03/1986 |
| 4494208 | Bumpless switching of valve drive in a turbine control system Outputs of two independent controllers are available to control a valve actuator in a turbine control system. One of these valve drive signals is applied to the valve actuator while the other is applied to a termination. When a fault is detected in the ac... | 01/15/1985 |
| 4494207 | Dual turbine controller Primary and secondary controllers both receive independent digital representations of shaft speed. Only one of the outputs of the two controllers is used. In order to detect a fault and isolate it to one of the two controllers, comparison is performed on ... | 01/15/1985 |
| 4471446 | Control system and method for a steam turbine having a steam bypass arrangement A DEH (digital electrohydraulic) control system for a steam turbine generator having a steam bypass system. The turbine system includes a high pressure turbine having throttle and governor steam admission valves as well as an intermediate pressure turbine... | 09/11/1984 |
| 4427896 | System and method for operating a steam turbine with capability for bumplessly changing the system configuration on-line by means of system parameter changes A steam turbine is provided with an electrohydraulic control system having an automatic control which includes a digital computer and further having a manual backup control for operating the turbine on automatic or operator switchover to backup control. T... | 01/24/1984 |
| 4357803 | Control system for bypass steam turbines A control system for a steam turbine operated with a steam bypass system. In the control system, bypass valve control is according to setpoints generated as a function of a combined flow reference (CFR) signal. The CFR signal is representative of boiler o... | 11/09/1982 |
| 4278064 | Fuel control system for a dual-fueled power unit A turbo-charged, inter-cooled governed speed diesel engine directly coupled to an alternator for electrical generation is adapted for dual-fuel operation and mounted on a trailer which also supports the engine's fuel sources including diesel fuel in a con... | 07/14/1981 |
| 4267458 | System and method for starting, synchronizing and operating a steam turbine with digital computer control Steam flow and pressure conditions needed in a turbine to satisfy the speed and load demand of an electric power generating system are controlled by a programmed digital computer system during start-up, synchronization and load operation. Manual backup co... | 05/12/1981 |
| 4258424 | System and method for operating a steam turbine and an electric power generating plant A programmed digital computer control system determines the turbine steam flow changes required to satisfy the speed and load demand made on the operation of a large electric power stream turbine for which substantially constant throttle pressure steam is... | 03/24/1981 |
