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WO/2012/055416 |
A system for a wind turbine generator comprising: a set of voltage limiting elements, and a controller configured to bypass the voltage limiting elements when a line voltage is below a predetermined threshold, and configured to connect e...
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WO/2012/055628 |
The present invention relates to a method for reducing a ripple, caused by a rotational non-uniformity of an internal combustion engine, in the output voltage of a generator which is driven by the internal combustion engine and which has...
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WO/2012/050042 |
A regulator is provided with: a rectifier circuit that rectifies an alternate current outputted from output terminals for each of the phases of a three-phase AC generator (101), and lets charging current flow into a battery (B); first to...
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WO/2012/050462 |
A method of automatically achieving maximum and/or optimum power transfer between a power generation device having a stall point and an associated load, wherein the load comprises at least one primary load and an energy storage device, w...
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WO/2012/048060 |
A system and method are disclosed for advantageously using field-controlled high-frequency alternators for the generation of controlled high-voltage DC power from variable speed mechanical power sources such as wind turbines, water wheel...
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WO/2012/043479 |
A crane control device that can be switched to any of the following operating modes: operating mode A, in which power is supplied from a battery (52) to a load (40); operating mode B, in which recovered power recovered from the load (30)...
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WO/2012/041527 |
There is provided a power generation park (100) comprising a power output (108) for providing electrical output power (150) to an electricity network (128). A power generation device (102a,... 102n) comprises a converter device (106) con...
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WO/2012/044525 |
A closed system column generator having a container for holding a fluid having a first end and a second end. A traveler reciprocally traveling along a travel path between the first end and the second end of the container. The traveler ex...
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WO/2012/034417 |
A method for measuring the instantaneous rotation speed of a synchronous generator, comprises the following steps: a. initializing a program and zeroizing Ua1, Ub1, Uc1 and Ua2 (201); b. synchronously detecting three-phase instantaneous ...
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WO/2012/033661 |
An electric drive system includes a fuel-driven prime mover (202) for driving an electrical power alternator (204) controlled at least in part by an excitation voltage is disclosed. The electrical power alternator (204) makes electrical ...
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WO/2012/033661 |
An electric drive system includes a fuel-driven prime mover (202) for driving an electrical power alternator (204) controlled at least in part by an excitation voltage is disclosed. The electrical power alternator (204) makes electrical ...
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WO/2012/031547 |
A mechanical rotary speed control device and a wind power generation apparatus are provided. The wind power generation apparatus comprises a wind wheel (1) which can receive wind energy to rotate, a generator (5) with an input rotating s...
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WO/2012/029104 |
The present invention provides a power generation controller having an equalized load balance by synchronizing the field current control of power generation controllers of a plurality of power generators when the power generators are ope...
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WO/2012/025447 |
The invention relates to a method for controlling a turboset having a turbine (3) and a generator (2), comprising the steps: providing a first signal (S1) indicating a reduction in the actual power output (PEL, 4) of the generator (2); g...
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WO/2012/026014 |
A wind power generation apparatus (10) in which the slope is derived of the change in output from a generator (20) that generates electricity through rotation of a wind turbine rotor (16), and an increase or decrease in the output of the...
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WO/2012/019834 |
The invention relates to a converter system for switching at least three voltage levels and for switching two voltage levels. The invention further relates to a method for operating a converter system for switching at least three voltage...
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WO/2012/019834 |
The invention relates to a converter system for switching at least three voltage levels and for switching two voltage levels. The invention further relates to a method for operating a converter system for switching at least three voltage...
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WO/2012/018820 |
A sewer energy mill system is provided for converting kinetic energy possessed by the wastewater flowing through a sewer line into electrical energy. The system may be installed within a conventional existing manhole infrastructure of th...
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WO/2012/018392 |
A system and method for generating energy from tuning the natural frequency of masses relative to a ground plane and an external force. In some embodiments the external force is the action of the waves. The system has a first mass movabl...
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WO/2012/014470 |
The operation of an engine generator is adjusted in response to the operating state of a container refrigeration device in order to improve energy savings. A power supply device (10) for a container refrigeration device is provided with:...
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WO/2012/013447 |
The invention relates to a regulating method and device for loss-optimized operation of a separately excited synchronous machine having a stator and a rotor, including the steps of: making reference values for stator and rotor currents a...
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WO/2012/012514 |
A controller for a generator set is disclosed. The controller may have a memory module having stored therein calibration factors associated with an offset error, a scale error, and a time delay error, and a processor module in communicat...
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WO/2012/011184 |
Provided is a vehicle control system equipped with an alternator that generates power by being driven with torque transmitted from an engine that is the motive power source of a vehicle, and wherein the amount of power to be generated by...
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WO/2012/012514 |
A controller for a generator set is disclosed. The controller may have a memory module having stored therein calibration factors associated with an offset error, a scale error, and a time delay error, and a processor module in communicat...
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WO/2012/012673 |
A calibration system (52) for a generator set controller (48) is disclosed. The calibration system may have a source of electric power (22), a controller (48) in communication with the source and configured to monitor a parameter of the ...
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WO/2012/012673 |
A calibration system (52) for a generator set controller (48) is disclosed. The calibration system may have a source of electric power (22), a controller (48) in communication with the source and configured to monitor a parameter of the ...
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WO/2012/008137 |
Solenoid coils disposed at a position not interlinked with a magnet flux of a rotor are used to increase the inductance of control coil system for controlling the generated voltage by letting flow small a current amount into a switch whi...
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WO/2012/001302 |
Apparatus comprising a fixed part, a rotary support able to be rotated with respect to said fixed part, at least one item of electrical equipment (23) carried by said rotary support, and a power supply device able to provide electrical e...
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WO/2012/001739 |
Provided is a wind power generation system or a wind power generation system controlling method for, when a power supply is changed, making a smooth transition without leading to, for example, the complexity of a device. The wind power g...
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WO/2011/161348 |
The method according to the invention is implemented in an alternator-starter system (1) coupled to an engine (2). The system is able to operate as a starter and as an alternator and the alternator-starter (3) comprises an excitation cir...
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WO/2011/163431 |
A control system (24) is provided for use with a plurality of generator sets (14). The control system may have a transmission network (16) connected to a load (12) and separately connectable to each of the plurality of generator sets. Th...
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WO/2011/160643 |
A wind turbine comprises a power converter connected between a generator in the wind turbine and a power grid. The power converter comprises a direct-current (DC) link and is adapted to supply a current to the power grid. A detection uni...
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WO/2011/163431 |
A control system (24) is provided for use with a plurality of generator sets (14). The control system may have a transmission network (16) connected to a load (12) and separately connectable to each of the plurality of generator sets. Th...
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WO/2011/159788 |
A portable power system for use with an electrical device. The system includes a portable power storage device, a motor, a controller, an alternator, an inverter, and a first monitor. The portable power storage device provides a DC volta...
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WO/2011/157862 |
The invention relates to a dual supply generator (2), the rotor of which is connected to the electric grid (3) by means of a back-to-back converter (4) and the stator of which is connected to the electric grid (3), characterized essentia...
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WO/2011/155278 |
Disclosed is a fluid power generation device that can cause the energy of a fluid that a rotor receives to match the electrical energy that a generator outputs. The fluid power generation device is provided with a drive device (24) that ...
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WO/2011/152366 |
Disclosed is a small-scale energy-generating system that generates electric power and hydrogen. The disclosed hydrogen station (1), which generates electric power and hydrogen, is provided with: a generator (13) and an engine (11) that g...
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WO/2011/152522 |
Provided is a recreational vehicle such that the load applied to an engine is controlled, resulting in the operability and the output being improved. This recreational vehicle comprises an electric generator (30) which is driven by the e...
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WO/2011/150932 |
The present invention relates to a control system and an associated method for controlling an amount of reactive power delivered from a wind power plant to an associated power supply grid, the control system comprising a wind power plant...
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WO/2011/141520 |
The invention relates to a system for the excitation of an asynchronous generator that can be connected to a turbine for generating electric power, in which the turbine is coupled to the rotor (13) which rotates in a stator(14) of the ge...
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WO/2011/141520 |
The invention relates to a system for the excitation of an asynchronous generator that can be connected to a turbine for generating electric power, in which the turbine is coupled to the rotor (13) which rotates in a stator(14) of the ge...
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WO/2011/134505 |
The invention relates to a method of predicting transient stability of a synchronous generator and to a device for implementing such a method, the device comprising measurement means (MS, MP, Q) and calculation means (U) for calculating ...
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WO/2011/135112 |
The invention relates to a system and method for controlling an electric generator connected to the electric supply grid during a voltage drop in the electric supply grid, the system including a bidirectional CA/CC/CA converter (2) conne...
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WO/2011/131803 |
The invention relates to a three-phase alternating current generator which is provided with an exciter assembly solidly connected to two independent energy assemblies and which is intended for turbines, such as wind or water turbines, wh...
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WO/2011/131888 |
The method according to the invention comprises the transmission to a regulator (8) of the alternator of width-modulated pulses (PWM1) exhibiting a duty ratio representative of a setpoint value (Vref) continuously included between a firs...
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WO/2011/126961 |
A speed setting system that generates a speed control command for controlling the rotational speed of a stall-controlled wind turbine of a wind-powered machine. The speed setting system generates the speed command as a function of perfor...
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WO/2011/126961 |
A speed setting system that generates a speed control command for controlling the rotational speed of a stall-controlled wind turbine of a wind-powered machine. The speed setting system generates the speed command as a function of perfor...
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WO/2011/121049 |
A torsional mode damping controller system is connected to a converter or placed inside the converter. The converter is driving a drive train including an electrical machine and a non-electrical machine. The controller system includes a ...
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WO/2011/121471 |
A method for retro-fitting wind-energy conversion system includes disconnecting a first set of multiple windings from active circuitry; shorting together the first set of multiple windings; and connecting a second set of multiple winding...
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WO/2011/119042 |
A variable electrical generator (20) is operable to convert mechanical motion to electrical power. The generator (20) includes at least a stator element (60) and a rotor element (50) including coils (320) and magnets (90). The generator ...
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