General Electric Company

Innio Jenbacher Gmbh & Co Og

Nuovo Pignone Spa

Ge Jenbacher Gmbh Co Og

Johannes Huber

Josef Thalhauser

Herbert Kopecek

Lembit Salasoo

Christof Martin Sihler

Simon Herbert Schramm

Ara Panosyan

Alexander Felix Fiseni

Prashant Srinivasan

Rogier Sebastiaan Blom

Michal-Wolfgang Waszak

Sharath Sridhar Aramanekoppa

Medy Satria

Matthias Grotz

Stefan Brandhoff

Karl Kyrberg

Alexander Walsch

Michael Perktold

Tobias Keller

Stefan Koeberl

Alexander Mairhofer

Michael Franz Litzlfellner

Alexander Gasteiger

Oscar Eduardo Sarmiento Penuela

Nikolaus Spyra

Friedrich Gruber

Herbert Schaumberger

Reigh Allen Walling

Jan Erich Hemmelmann

Parag Vyas

Francesco Papini

Amol Rajaram Kolwalkar

Daniel Kotzor

Rosa Castane Selga

Michael Waldhart

Xiaoting Dong

Sergio De Franciscis

Moritz Frohlich

Klaus Zoggeler

Ingo Walch

Raphael Rupert Burgmair

Moritz FRÖHLICH

Klaus ZÖGGELER

Sarmiento Penuela Oscar Eduardo Eduardo

An internal combustion engine with at least one combustion chamber, at least one fuel delivery line for the delivery of fuel to at least one combustion chamber, and at least one differential pressure control valve for controlling the pressure in the at least one fuel delivery line. The at least one differential pressure control valve is configured to perform a valve opening or valve closing movement based on a pressure difference between the at least one fuel delivery line and a reference volume having a reference pressure. The internal combustion engine further includes at least one pressure relief valve, separate from the at least one differential pressure control valve, and configured to open to cause a pressure relief in the reference volume and a decrease in the reference pressure if a drop occurs in the power to be performed by the internal combustion engine.

Internal combustion engine

A power system includes at least one generator driven by at least one of a number (N) of prime movers, at least one energy storage device, and at least one control device, wherein the generator and the energy storage device provide electrical energy to a power grid having an external load. The power system includes at least one first measuring device for determining at least one first signal for a computer to determine what amount of electrical power (ΣP) has to be generated by the at least one generator to meet a power requirement (P) of the external load. The at least one control device is configured to receive the at least one first signal and to influence the control of the speed (n) of the at least one of the number (N) of prime movers or the frequency (f) of the power grid taking into account the at least one signal to change the mechanical power generated by the at least one of the number (N) of prime movers such that the electrical power provided by the at least one generator approaches the power requirement (P) of the external load in situations where the power requirement (P) of the external load is at least partially provided for by the at least one energy storage device.

Power system

An internal combustion engine () operating in cycles, having:

A method for detecting the quantity of gas (m) supplied by a gas supply device to an antechamber of an internal combustion engine. The method includes causing a targeted disturbance (&#x394;u) of the gas quantity (m) supplied by the gas supply device, and measuring a change (&#x394;T) resulting from the target disturbance (&#x394;u) in an exhaust gas temperature (T) of an exhaust gas generated in a combustion chamber connected to the antechamber. The method includes comparing the change (&#x394;T) with a target value of the change (&#x394;Ttarget) of the exhaust gas temperature (T) to obtain a comparison, and deducing the gas quantity (m) supplied by the gas supply based on the comparison.

Method for detecting a gas amount

Internal combustion engine with a controller and at least one combustion chamber and an at least one ignition amplifier associated with the combustion chamber, whereby the at least one combustion chamber, on the one hand via a feeding device for a fuel-air mixture, can be supplied with energy, and on the other hand can be supplied with energy by the associated ignition amplifier, whereby the controller is designed to change the excess-air ratio of the fuel-air mixture in a detection mode for the at least one combustion chamber, and at least one sensor is provided, whose signals can be supplied to the controller and whose signals are characteristic of the combustion event in at least one combustion chamber and that the controller is designed such that, depending on the signals supplied by at least one sensor, a representative detection signal is generated associated with a status of the at least one ignition amplifier associated with at least one combustion chamber.

An internal combustion engine () having a regulating device (C) wherein an air-fuel mixture with a combustion air ratio (&#x3bb;) which is adjustable by the regulating device is burnt in the internal combustion engine, wherein the regulating device (C) has a power output regulating circuit adapted to adapt an actual output (P) of the internal combustion engine () to a reference power output (P) of the internal combustion engine () by way of an adjustment of the combustion air ratio (&#x3bb;), and a NOx emission regulating circuit adapted by way of a functional relationship () to actuate actuators influencing a charge pressure as an alternative parameter for the NOx emission by the charge pressure such that a charge pressure reference value (p) can be set for each reference power output (P) of the internal combustion engine.

Internal combustion engine having a regulating device

A method for estimating pressures at a gas engine using a real-time model-based observer is implemented by a pressure estimation computing device. The method includes receiving a design schema describing an intake manifold and a plurality of components associated with the gas engine, segmenting the design schema into a plurality of segments defining a plurality of sections of the gas engine, defining a fluid dynamics model associated with each of the plurality of segments, defining a plurality of interconnected elements based on the plurality of fluid dynamics models, receiving at least one pressure measurement from at least one of a plurality of sensors associated with each of the sections of the gas engine, estimating a plurality of pressure values at each section of the gas engine, and controlling fuel injection to at least one gas cylinder based on the estimated plurality of pressure values.

Systems and methods for in-cylinder pressure estimation using pressure wave modeling

In one embodiment, a method includes receiving, via a first sensor, a signal representative of at least one of a manifold pressure, a manifold temperature, or a manifold mass flow rate of a manifold. The method further includes deriving, via a manifold model and the first sensor signal, a gas concentration measurement at a first manifold section of the manifold. The method additionally includes applying the gas concentration measurement during operations of an engine, wherein the manifold is fluidly coupled to the engine.

Lambda virtual sensor systems and methods for a combustion engine

A method for detecting errors in a sensor at a gas cylinder is implemented by a pressure estimation computing device including a processor and a memory device coupled to the processor. The method includes receiving a first pressure measurement from a first sensor associated with a gas cylinder, receiving a design schema describing an intake manifold, the intake manifold included within the gas engine, segmenting the design schema into a plurality of segments, defining a fluid dynamics model associated with each of the plurality of segments, defining a plurality of interconnected 2-port elements based on the plurality of fluid dynamics models, estimating a second pressure measurement for the gas cylinder based on the plurality of interconnected 2-port elements, comparing the first pressure measurement to the second pressure measurement, and determining that the first sensor is in an anomalous state.

Systems and methods for detecting anomalies at in-cylinder pressure sensors

A gas engine assembly includes a compressor, a combustion system, a bypass line and a control system. The control system is configured to control gas supply parameters based on a transportation delay value. The transportation delay value corresponds to a delay between a time when a gas supply control mechanism is adjusted and a time that gas having a corresponding adjustment of a gas characteristic is received at a predetermined point downstream from the gas supply control mechanism.

Gas dosage control for gas engine

An electromagnetic braking system of a power generation system includes an electrically conductive disc coupled to a rotatable shaft operatively coupled between a prime mover and a generator; a controller for receiving a status signal from the power generation system and for generating a control signal based on the status signal; and an inducting unit for applying an electromagnetic braking force on the electrically conductive disc when commanded by the control signal to regulate a rotational speed of the rotatable shaft.

Electromagnetic braking systems and methods

A reactive power control system is provided. The reactive power control system computes a required value for a reactive power based on a state observer method for at least one electrical element in an electrical system. The reactive power control system also generates a reactive power command based on the required value of the reactive power. The reactive power control system further transmits the reactive power command to the electrical element in the electrical system for generating the required value of reactive power to compensate for a voltage change induced by the respective electrical element in the electrical system.

System and method for reactive power compensation

A torsional mode damping controller system is connected to a converter that drives an electrical machine mechanically connected to a train. The controller system includes an input interface configured to receive measured data related to variables of the converter or the electrical machine, and a controller connected to the input interface. The controller calculates at least one dynamic torque component along a section of a shaft of the train based on the data from the input interface, generates control data for the converter for damping a torsional oscillation in the mechanical drive train based on the at least one dynamic torque component, and sends the control data to the converter for modulating an active power exchanged between the converter and the electrical machine.

Sensorless torsional mode damping system and method

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Brandenberg, Austria

Johannes Huber