Abstract: A sliding cam system for an internal combustion engine includes an adjusting element that has at least three coupling pins. A first coupling pin is arranged in the region of the primary sliding cam element and a second coupling pin is arranged in the region of the first secondary sliding cam element and a third coupling pin is arranged in the region of the second secondary sliding cam element. The coupling pins each cooperate with a shifting gate of the respectively associated sliding cam element such that a movement of a primary sliding cam element initiated by the actuator pin is transmissible to secondary sliding cam elements by the adjusting element. The sliding cam system is designed such that a shifting operation of the first secondary sliding cam element takes place at least partially at the same time as the shifting operation of the second secondary sliding cam element.

Abstract: The combustion chamber inlet of a lean-burn gasoline engine (110) is connected to an air intake port outlet (15a, 15b) and comprises a throat where the air intake port (10) outlet meets the combustion chamber inlet. A movable valve (51) comprises a bottom surface (61) that faces the combustion chamber (50) and a tapered top surface (62) that faces the air intake port (10). The movable valve (51) is arranged to move between a closed state for closing off the combustion chamber inlet and an opened state wherein intake air can flow from the air intake port (10) into the combustion chamber (50). The throat comprises a tapered surface (71) that is complementary with the tapered top surface (62) of the movable valve (51).

Abstract: In order to provide a more reliable configuration for a hydraulic drive for accelerating and braking in particular a gas exchange valve (20) of internal combustion engines or other reciprocating engines, in particular if the occurring maximum travel of the moving mass can deviate considerably from an expected setpoint position, it is proposed that the drive piston (23) has at least one control edge (31) corresponding to an inflow opening (33), which, when a defined travel hab has been attained, prevents the inflow of drive pressure p1 into the drive chamber (27) and/or prevents the low-loss outflow of pressure medium from the brake chamber (29) to the basic pressure level (40), wherein the remaining hydraulic drive force vanishes, becomes small or changes its sign when said travel hab is attained.

Abstract: A lower link (6) is provided with an oil hole (30) in a crank pin bearing portion (11) in order to supply a jet of oil to a connecting portion between an upper pin (4) and an upper link (3). Oil hole (30) is composed of a first oil hole (31) linearly extending from the inner peripheral surface of crank pin bearing portion (11) outwardly in the radial direction, and a second oil hole (32) linearly extending from the outer surface of lower link (6) so as to intersect a distal end portion of first oil hole (31). An inclination angle (?) of first oil hole (31) with a divided surface (14) set as a reference becomes relatively small, and hence the position of an oil inlet (31b) involving a problem of stress concentration becomes closer to divided surface (14) exhibiting a relatively low stress. Consequently, the stress concentration at oil inlet (31b) is alleviated.

Abstract: An adaptable fluid heating system includes a reservoir and an inline heating loop. The reservoir holds a fluid such as lubricant oil. The adaptable fluid heating system includes an inline heating loop, the inline heating loop fluidly coupled to the reservoir. The inline heating loop includes a circulation pump and an inline heater. The circulation pump circulates fluid from the reservoir through the inline heater and back into the reservoir.

Abstract: An oil temperature regulator assembly fluidly connects to both an oil circulation system and a cooling system of an operating group of a vehicle. The oil temperature regulator assembly includes a beat exchanger including an upper exchanger plate, intermediate exchanger plates, and a lower exchanger plate. The stacking of the plates defines an oil flow zone and a cooling fluid flow zone including, planar oil flow regions and planar fluid flow regions alternating with each other along the vertical axis and including, respectively, vertical oil ducts and vertical fluid ducts fluidly connected to respective planar flow regions. The oil temperature regulator assembly includes a base device engaged to the lower exchanger plate. The upper exchanger plate or base device includes an operating opening vertically aligned with a vertical oil duct. The oil temperature regulator assembly includes a filtering cartridge insertable through an operating opening in the vertical oil duct.

Abstract: An oil separation baffle is mounted in an oil gallery of an internal combustion engine. A lower section includes a bottom wall and side window openings. Crankcase gasses flow into the side window openings, through the lower section, and through the top opening. An upper section includes a plurality of ribs extending horizontally between a front side wall of the upper section and a rear side wall of the upper section. The plurality of ribs are vertically spaced apart from each other and extend from a first wall of the oil gallery toward a second wall of the oil gallery to an opening defined between a distal end of the rib and the other of the first and second walls of the oil gallery. The bottom planar wall separates larger oil droplets and the ribs separate smaller oil particles from the crankcase gasses and return the oil to the crankcase.

Abstract: The exhaust sound attenuation and control system includes an outer housing having an inlet pipe and an outlet pipe at opposite ends thereof. The interior of the housing includes upper, central, and lower exhaust sound attenuation elements. The exhaust gasses from the inlet pipe first enter the upper element and an upper arcuate flow guide directs the gasses leaving the upper element into the central element. A lower arcuate flow guide directs the gasses leaving the central element into the lower element. Gasses exiting the lower element are directed into the outlet pipe and exit the system. The upper element functions primarily as a muffler while the central and lower elements function as both a muffler and a resonator. The upper element includes a central elongated pipe surrounded by an outer housing. The central element includes a plurality of baffle elements. The lower element includes a plurality of baffle plates.

Abstract: The catalytic converter of the vehicle includes: an LNT converter including an LNT catalyst to reduce nitrogen oxides; an SDPF converter including an SDPF catalyst to capture particulate matters and reduce the nitrogen oxides; a connection housing connecting the LNT converter and the SDPF converter to each other; an injection module provided in the connection housing to inject the reducing agent from the LNT converter toward the SDPF converter; an impactor atomizing and vaporizing the reducing agent injected from the injection module; a first guide mixer provided inside the connection housing to form a swirl-direction flow of the exhaust gas mixed with the reducing agent atomized through the impactor; and a second guide mixer provided downstream of the first guide mixer inside the connection housing to form an additional swirl-direction flow of the exhaust gas mixed with the reducing agent.

Abstract: The present invention relates to an exhaust gas treatment system for treating an exhaust gas stream exiting a diesel engine, wherein said exhaust gas treatment system comprises a first catalyst having an inlet end and an outlet end and comprising a coating disposed on a substrate, wherein the coating comprises palladium supported on an oxidic material comprising zirconium and further comprises one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron; a second catalyst having an inlet end and an outlet end and comprising a coating disposed on a substrate, wherein the coating comprises one or more of a vanadium oxide and a zeolitic material comprising one or more of copper and iron, wherein at most 0.0001 weight-% of the coating of the second catalyst consists of platinum group metal.

Abstract: A method for controlling an internal combustion engine including at least one exhaust-gas aftertreatment component having an electric heating element, the electric heating element heating the exhaust-gas aftertreatment component and the exhaust gas flowing through the exhaust-gas aftertreatment component, the electric heating element briefly or permanently being acted upon by a heating current, a gas, in particular fresh air and/or exhaust gas, flowing downstream through the exhaust-gas path.

Abstract: An exhaust gas routing component for an exhaust gas system of an internal combustion engine includes a tube-like component body with a first component body end region and a second component body end region arranged in the direction of a component body longitudinal axis at a distance from the first component body end region. The component body includes a tube-like outer body and a tube-like inner body received in the tube-like outer body. The inner body is fixed in a fastening region on the outer body. A sliding guide is provided which acts between the outer body and the inner body and permits a relative movement of the inner body in relation to the outer body outside the fastening region.

Abstract: A flow guiding device for an internal combustion engine includes a main body substantially in the shape of a surface shell of a truncated cone and/or a cylinder and a plurality of orifices in the main body. The main body is adapted to be mounted between a cylinder head body and an ignition assembly of the internal combustion engine, and wherein the orifices are adapted to guide a cooling medium between an outside volume and an inside volume of the truncated cone or cylinder.

Abstract: Systems and apparatuses include a de-aeration tank for an engine system. The de-aeration tank including a single internal volume defined by walls, a diesel exhaust fluid (DEF) doser port configured to communicate coolant with a DEF doser module, and engine coolant ports configured to communicate coolant with an engine coolant system.

Abstract: A pre-chamber component for an internal combustion engine includes a chamber for accommodating an air-fuel-mixture to be ignited, wherein the pre-chamber component includes a first opening into the chamber for arranging an ignition device, in particular a spark plug, and a second opening for introducing the air-fuel-mixture in the form of a mixture flow into the chamber. The pre-chamber component includes a mixture flow guiding device, which is shaped such that the mixture flow of the air-fuel-mixture in the chamber is oriented substantially transversely with respect to a longitudinal axis from the second opening of the chamber to at least a part of the chamber adjacent to the first opening and/or in the form of a turbulent flow.

Abstract: A turbine housing has a scroll part, an outlet pipe, and an inlet pipe. A bypass passage is formed on an inner peripheral side of a twisting form leading from the inlet pipe toward the scroll part so as to allow communication between an inlet passage and an outlet passage. Viewing the turbine housing in an axial direction, an opening center of an outlet opening of the bypass passage is located in a quadrant where a mounting flange is located among four quadrants defined by a first imaginary plane that passes through a rotational center and that is parallel to a surface of the mounting flange, and a second imaginary plane that passes through the rotational center and that is orthogonal to the first imaginary plane.

Abstract: A gas turbine engine includes a compressor, a combustor, and a turbine. The compressor compresses gases entering the gas turbine engine. The combustor receives the compressed gases from the compressor and mixes fuel with the compressed gases. The turbine receives the hot, high pressure combustion products created by the combustor by igniting the fuel mixed with the compressed gases. The turbine extracts mechanical work from the hot, high pressure combustion products to drive the compressor and a fan, shaft, or propeller.

Abstract: A combustion device includes: a liner including an opening at an end, the liner inside of which is formed with a combustion chamber; an air flow path communicating with the opening of the liner; an ammonia supply pipe inserted through the opening of the liner; and a starting fuel supply pipe disposed between the ammonia supply pipe and the air flow path.

Abstract: A thermal management system of a gas turbine engine, the thermal management system including: a thermal transport bus configured to have a heat exchange fluid flowing therethrough and including a pump including a plurality of bearings; an auxiliary thermal bus in thermal communication with the plurality of bearings; and an auxiliary heat exchanger in thermal communication with the auxiliary thermal bus.

Abstract: A starter system for a gas turbine engine in, for example, a hybrid electric engine is provided. The hybrid electric engine may include the gas turbine engine, an electric machine, and an electrical energy storage. The starter system may include the electric machine, and a low-pressure shaft of the gas turbine engine may be mechanically coupled to a rotor of the electric machine. The electrical energy storage may electrically power the electrical machine and receive electrical power from the electrical machine. In addition, a clutch may selectively couple the low-pressure shaft to a high-pressure shaft of the gas turbine engine. The clutch may, when engaged, transfer mechanical power from the low-pressure shaft, which is mechanically coupled to the electric machine, to the high-pressure shaft. Further, the clutch may disengage if a rotational speed of the high-pressure shaft exceeds a rotational speed of the low-pressure shaft.

Abstract: An epicyclic power gear box for a gas turbine engine delivers torque from a low speed shaft to the primary fan. The gear box includes a planet gear and a bearing pin for the planet gear, sun gear and ring gear. The planet gear and bearing pin are arranged so that a clearance between the two is maintained during a takeoff condition for the gas turbine engine.

Abstract: An example gas turbine engine includes a propulsor assembly consisting of a propulsor and a first turbine. An epicyclic gear train defines a gear reduction ratio of greater than 2.3. A weight of the propulsor assembly is less than 40 percent of a total weight of the gas turbine engine, excluding any nacelle. A first spool includes a first shaft that connects a first compressor and the first turbine. The first shaft drives the propulsor through the gear train to drive the propulsor at a lower speed than the first spool. A second spool includes a second shaft connecting a second compressor and a second turbine. A weight of the propulsor is greater than a weight of the first turbine.

Abstract: The present invention provides a throttle device for an engine enabling an operation of fitting a support shaft supporting an intermediate gear into a positioning hole and an operation of causing the intermediate gear and a counterpart gear to mate with each other to be easily performed when a throttle body-side assembly and a gear cover-side assembly, which have individually been assembled, are coupled to each other.

Abstract: A throttle body for an engine or fuel cell of a vehicle is provided. The throttle body comprises a cylindrical housing comprising a first open end extending to a second open end defining an inner wall having an inner surface. The throttle body further comprises a moveable blade valve movably disposed on the inner wall and arranged to regulate air to the engine during operation of the vehicle. The moveable blade valve has an outer surface. The throttle body further comprises a dual-phase thermal composite coating (TCC) disposed on one of the inner surface of the inner wall and outer surface of the moveable blade valve for enhanced thermal conductivity and reduced deposit accumulation on the inner surface and the outer surface. The dual-phase TCC comprises a first material comprising between 10 wt % and 90 wt %, and a second material comprising between 10 wt % and 90 wt % of the dual-phase TCC. The dual phase TCC has a contact angle of between 100° and 160° and a thermal conductivity of at least 0.3 W/mK.

Abstract: The exemplary embodiments herein provide a dual fuel system with a recreational vehicle electric battery for use with a power generation assembly. The system comprises a combustion engine with a stator assembly for generating power and further having a gasoline pump, an LP shutoff valve, and a carburetor valve. The system further comprises a recreational vehicle battery, a DC rectifier in electrical communication with the stator assembly, a fuel selection switch, and a digital fuel valve control module (DFVCM). Multiple fuels are safely controlled while interchanging power between a battery and the DC rectifier.

Abstract: A method for controlling a variable valve timing system using minimum speed positions. The minimum speed positions allow the movement and the position of the various camshafts to be controlled.

Abstract: An internal combustion engine is mounted for power generation in a series hybrid vehicle and has an exhaust system with an upstream-side catalytic converter and a downstream-side catalytic converter. After starting of the internal combustion engine, the operation of the internal combustion engine is continued, without stopping the internal combustion engine even when the power generation request ceases, until completion of the warm-up of both of the upstream-side catalytic converter and the downstream-side catalytic converter. The internal combustion engine is operated with ignition timing retardation during a first period from the starting of the internal combustion engine to the completion of the warm-up of the upstream-side catalytic converter. During a second period from the completion of the warm-up of the upstream-side catalytic converter to the completion of the warm-up of the downstream-side catalytic converter, the internal combustion engine is operated without ignition timing retardation.

Abstract: A filter regeneration control device includes a fuel supply controller configured to stop, when there is a forced regeneration request for burning particulate matter collected in a filter provided in an exhaust passage of an engine that is a traveling power source of a vehicle while the vehicle is stopped, fuel supply to at least one of a plurality of cylinders of the engine while supplying fuel to the cylinder other than the at least one cylinder, and a rotation speed controller configured to control a rotation speed of the engine when the forced regeneration request is issued to be higher than a rotation speed when the forced regeneration request is not issued and during an idle operation of the engine while the vehicle is stopped.

Abstract: Systems and methods for diagnosing an exhaust aftertreatment system are provided. A method includes: receiving, by a controller and for each sensor of a plurality of sensors, one or more respective degradation level indicators indicative of one or more failure levels of the sensor, each of the one or more degradation level indicators determined using a corresponding performance parameter; receiving, by the controller and for each sensor of the plurality of sensors, one or more diagnosis threshold values; determining, by the controller, a multipoint diagnosis threshold value using the one or more diagnosis threshold values associated with the plurality of sensors; detecting, by the controller, an operational state of the aftertreatment system by comparing a performance value of the aftertreatment system to the multipoint diagnosis threshold value; and causing, by the controller, an indication of the operational state of the aftertreatment system to be displayed on a display device.

Abstract: An apparatus is provided for an aircraft propulsion system. This apparatus includes a thrust reverser cascade extending longitudinally between a cascade forward end and a cascade aft end. The thrust reverser cascade extends laterally between a cascade first side and a cascade second side. The thrust reverser cascade extends radially between a cascade inner face and a cascade outer face. The thrust reverser cascade includes a plurality of vanes arranged in a longitudinally extending array. The vanes include a first vane and a second vane. A leading edge of the first vane is disposed on the cascade inner face. A leading edge of the second vane is recessed radially into the thrust reverser cascade from the cascade inner face.

Abstract: An apparatus is provided for an aircraft propulsion system. This apparatus includes a thrust reverser cascade extending longitudinally between a cascade forward end and a cascade aft end. The thrust reverser cascade extends laterally between a cascade first side and a cascade second side. The thrust reverser cascade extends radially between a cascade inner face and a cascade outer face. The thrust reverser cascade includes a plurality of vanes and a wall. The vanes are arranged in a longitudinally extending array along the cascade inner face. The vanes include a first vane and a second vane. The wall is configured to block gas flow radially through the thrust reverser cascade between the first vane and the second vane.

Abstract: An apparatus is provided for an aircraft propulsion system. This apparatus includes a cascade structure including a thrust reverser cascade and a flow disruptor. The thrust reverser cascade extends longitudinally between a cascade forward end and a cascade aft end. The thrust reverser cascade extends laterally between a cascade first side and a cascade second side. The thrust reverser cascade extends radially between an inner face and an outer face. The thrust reverser cascade includes a plurality of vanes arranged in a longitudinally extending array along the inner face. The flow disruptor is arranged at the cascade inner face and forward of the vanes. The flow disruptor is configured to disrupt boundary layer air flowing towards the vanes.

Abstract: An adjustment structure and carburetor relating to the technical field of carburetors are provided. The adjustment structure includes: a throttle valve, a movable member and a movable member. The throttle valve is provided with an accommodating cavity and a sliding rail arranged in the accommodating cavity. The movable member is arranged in the accommodating cavity and slidably connected to the sliding rail. The rotating member is arranged in the accommodating cavity and threadedly engaged to the movable member, and rotates relative to the movable member and drives the movable member is configured to be driven to slide back and forth along the sliding rail through screws, so as to adjust a height of a jet needle connected with the movable member.

Abstract: An injector for introducing a gaseous fuel into a combustion chamber. A housing has an outflow opening that can be flowed through by the gaseous fuel. A valve element can be moved between a closed position in which the valve element sits on a valve seat to separate a first housing region from a second housing region and an open position in which the valve element is spaced apart from the valve seat. When moved out of the closed position into the open position, the valve element can be moved into the second housing region. The valve element has a valve body region that is disposed in the second housing region in both the closed position and the open position. The valve body region is domed at least in a partial region of the valve body region and/or is tapered in a direction pointing away from the valve seat.

Abstract: Systems and methods for thermal management of a propane fuel system are disclosed that include controlling a pressure of a fuel tank so that a fuel supply is available for starting of the engine even during cold ambient conditions.

Abstract: Various implementations include a rim-drive turbomachine including a hollow cylindrical shell, at least one motor rotor, at least one motor stator, and two or more sets of blades. The shell includes two or more shell portions axially separate from, and couplable to, each of the other shell portions. Each motor rotor is coupled to the inner surface of a shell portion, extends circumferentially around the central axis, and is rotatable about the central axis. Each motor stator is in electromagnetic communication with one motor rotor. Each shell portion has at least one set of blades coupled to the inner surface of that shell portion. The blades of each set of blades extend radially inwardly toward the central axis and are spaced circumferentially around the central axis. The sets of blades are axially spaced apart along the central axis. A single set of blades is coupled to a motor rotor.

Abstract: The power generation device disclosed in the present specification includes a first rotating body, a second rotating body, a differential device, and a generator. The first rotating body and the second rotating body convert energy of the fluid into rotational motion. The differential device is connected to the first rotating body via a first transmission path, and is connected to the second rotating body via a second transmission path, and combines and outputs the rotational motion of the first rotating body and the rotational motion of the second rotating body. The generator converts rotational motion output from the differential device into electrical energy. The first rotating body and the second rotating body are arranged along the first direction. The differential device is disposed offset from the first rotating body and the second rotating body in a second direction perpendicular to the first direction.

Abstract: An energy conversion and storage system, comprises a piston defining an enclosed volume. The piston has an inlet valve proximate a bottom of the piston and an outlet valve proximate a top of the piston. A guide having a vertical displacement is arranged so that the piston travels along the guide. The guide has a compressed gas outlet proximate a bottom of the guide and is arranged to move gas into the piston when the piston contacts the compressed gas outlet. The guide has a release valve operator disposed proximate a top of the guide and is arranged to open the outlet valve when the piston contacts the release valve operator. A source of compressed gas in communication with the compressed gas outlet. The system has means for converting motion of the piston along the guide into either (i) motion of another object or (ii) electric power.

Abstract: Open and closed cycle lift force turbines are provided. Illustratively, the open cycle lift force turbine operates in an open cycle environment without heat and/or pressure, utilizing asymmetric pressure distribution on lift turbine blades mainly to generate thrust with the normal component of this lift force, while using the tangential component of this lift force to drive a bypass fan providing additional thrust and to drive accessories, provide control to the fluid velocity, and/or provide motivation of the fluid's flow. The open cycle lift force turbine may be utilized to generate continuous thrust, heat and/or electricity for powering vehicles in any atmosphere. The closed cycle lift force turbine may be utilized to generate continuous thrust, heat and/or electricity for powering vehicles at any speed in any atmosphere or lack thereof.

Abstract: The present invention relates to a rotor blade for a wind turbine, wherein the blade comprises a high lift root profile with flat-back trailing edge with a suction and a pressure side, a relative thickness in between 45% and 75%, preferably in between 48% and 70% of the chord length and a trailing edge thickness between 30% and 75%, preferably between 35% and 60% of the airfoil thickness, wherein the chord position of the maximum thickness, measured from a leading edge towards the trailing edge, is between 35% and 45%, preferably between 36% and 42% of the chord length. The present invention also relates to a corresponding wind turbine.

Abstract: The present disclosure relates to dampening of predominantly edgewise vibrations in a wind turbine blade. This is achieved by a wind turbine blade comprising one or more bump airfoil sections, each bump airfoil section being characterised in that for any airfoil within the bump airfoil section, the airfoil's pressure side profile yp has particular geometric properties near the trailing edge of the airfoil. Furthermore, a total length of all bump airfoil sections in the blade is at most 30% of the length of the blade, and at least half of the total length of all bump airfoil sections in the wind turbine blade is provided by one or more bump airfoil sections located spanwise in the outermost 30% of the blade.

Abstract: Disclosed is a blade apparatus for wind power generation, which includes: a blade body, one end thereof being provided with a blade-root connecting portion; and a blade root assembly, including a plurality of blade root segments arranged in a circumferential direction of the blade body to form a body of revolution, each blade root segment being detachably connected to a corresponding portion of the blade-root connecting portion. The blade root assembly with a plurality of blade root segments is adopted, so that the dimension of a single blade root segment is greatly reduced, thus effectively reducing the difficulties in manufacture and transportation. Meanwhile, the overall dimension of the blade root assembly can be further increased to match with a larger blade body, which is beneficial to further improve the swept area of blade and generated output of wind power generation device.

Abstract: A pitch controlled wind turbine comprising a tower, a nacelle mounted on the tower, a hub mounted rotatably on the nacelle, and at least three wind turbine blades is disclosed. Each wind turbine blade extends between a root end connected to the hub via a pitch mechanism, and a tip end. The wind turbine further comprises at least three blade connecting members, each blade connecting member extending between a connection point on one wind turbine blade and a connection point on a neighboring wind turbine blade, the connection points being arranged at a distance from the root end and at a distance from the tip end of the wind turbine blade. The wind turbine further comprises at least three pre-tension members, each pre-tension member being connected to one of the blade connecting members and to a hub part, the pre-tension members thereby providing pre-tension in the blade connecting members.

Abstract: The present disclosure provides a wind turbine blade with an improved trailing edge structure and a manufacturing method thereof. The wind turbine blade includes an upper shell, a lower shell, and a trailing edge, where a trailing edge bonding region enclosed by the upper shell, the lower shell and the trailing edge is filled with composite materials, and the composite materials are discontinuous in an airfoil chordwise direction. The manufacturing method includes the following steps: S1: manufacturing reinforcements with a same cross-sectional shape as the trailing edge filling region for composite materials; and S2: integrally molding the reinforcements, a fiber fabric and the upper shell, providing the lower shell, combining the upper shell and the lower shell, and performing heating for curing and molding. The discontinuous filling structure reduces usages of the adhesive and the reinforcements of the composite materials.

Abstract: A load mitigation arrangement of a non-mounted rotor blade, includes at least one actuatable lift-modification device arranged on a surface of the rotor blade; a monitor configured to estimate the magnitudes of loads acting on the non-mounted rotor blade; a controller configured to actuate the lift-modification device on the basis of the estimated magnitudes to mitigate the loads acting on the non-mounted rotor blade. Further provided is a rotor blade assembly, and a method of performing load mitigation on a non-mounted rotor blade.

Abstract: The disclosure relates to a method of operating a wind power plant, and related power plant controller and wind power plant. The method comprises determining a first active power at a first operating point and applying a first limit value for a reactive power limit. The method further comprises determining a second active power at a second operating point. The method further comprises, responsive to determining that the second active power meets one or more active power conditions referenced to the first active power, applying a second limit value for the reactive power limit. Applying the second limit value comprises limiting a ramp rate of the reactive power limit. The method further comprises generating control signals for one or more wind turbines to control a collective reactive power output of the wind power plant in accordance with the reactive power limit.

Abstract: The present disclosure relates to methods (100, 200) for ramping up the power output of a wind turbine (10). A method (100) comprises increasing (110) electric power output from an initial power value (61) at a first power ramp rate (63); and when reaching an intermediate power value (69), increasing (120) the electric power output to a target power value (59) at a second power ramp rate (67) different from the first power ramp rate (63). The intermediate power value (69) is the sum of the initial power value (61) and a predetermined power difference (71).

Abstract: A method for estimating future risk of failure of a component of an industrial asset. The method includes receiving a plurality of different types of data associated with the industrial asset or a fleet of industrial assets. The plurality of different types of data includes, at least, reliability data (such as time-to-event data). The method also includes generating a failure prediction model for the component based on the reliability data and available time-series measurements. Further, the method includes applying the failure prediction model to the different types of data based on the types of data available in the received data. The applied failure prediction model includes one of a default model, a conditional survival model, or a joint conditional survival model. Thus, the method includes estimating, via the failure prediction model, the future risk of failure of the industrial asset and implementing a control action as needed.

Abstract: A method and system for operating a wind farm by reconciling performance and operational constraints is disclosed. A wind farm may be subject to wakes, thereby reducing performance In order to lessen the effects of wakes, wake steering of the wind turbines may be performed. Specifically, both an operationally-independent analysis (such as by using a computational fluid dynamic model) and an operationally-dependent analysis may be performed, and the outputs of each analysis may be reconciled in order to determine whether (and how much) to wake steer.

Abstract: An off-shore wind turbine system is assembled using a platform or jack-up vessel, and a first base anchored to the seafloor at a blade assembly off-shore location. A buoyant tower is attached to the first base. A crane provided on the platform or jack-up vessel is used to lift blades and blades, which are then coupled to a turbine held in a nacelle provided at the top of the buoyant tower. The buoyant tower, the nacelle, and the blades are detached from the first base. The buoyant tower, the nacelle, and the blades are towed to a wind farm and connected to a second base provided in the wind farm. The buoyant tower, the nacelle, and the blades are further stabilized using mooring lines spanning between the buoyant towers and other bases provided in the wind farm. The first base and/or the second base include anti-rotation features.