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WO/2020/216510A1 |
Disclosed is a rotor for an externally-excited electrical machine, the rotor being designed to be inductively coupled to a stator in order to be contactlessly supplied with excitation power for energising an excitation winding. The rotor...
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WO/2020/208755A1 |
A drive control device (10) is provided with a self-excited generator (11) that generates and outputs power when driven by an internal combustion engine (2), and a separately excited generator (12) that, when, in an excited state, driven...
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WO/2020/207823A1 |
It is described a method of controlling a converter (13), in particular of a wind turbine (1), the converter comprising a first converter portion (15) connected to a generator (9), a DC-link (17), and a second converter portion (19) conn...
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WO/2020/208957A1 |
Provided are a wind farm, a wind farm controller, and a wind farm control method that eliminate the need for estimating an output controllable amount and can make the output of the wind farm quickly close to a predetermined output contro...
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WO/2020/206329A1 |
The present disclosure relates to a system for controlling power walk-in for an uninterruptible power supply (UPS) being switched to receive AC power from an AC generator. The system may have a control system and a power walk-in (PWI) su...
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WO/2020/200378A1 |
A method of controlling a wind turbine connected to an electrical grid is provided. The method comprises generating a turbine control reference signal and a grid control reference signal. The turbine control reference signal is provided ...
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WO/2020/201937A1 |
This present disclosure is the concept that comprises means to generate secondary magnetic field by using material such as that comprising finely ground magnetite mixed with resin to form block or any suitable shape that is used by putti...
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WO/2020/196197A1 |
This hydroelectric power generation system (10) is provided with a control unit (30) that performs pressure control for controlling a generator (12) so as to adjust the pressure of fluid on the downstream side of a water turbine (11). Th...
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WO/2020/178863A1 |
A system and method for starting a three phase brushless generator having an IC engine, a main alternator (100), and excitation alternator (200), and a rectifier (400) is disclosed. The system comprises a voltage source (500) and an ECU ...
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WO/2020/170626A1 |
[Problem] To provide a wide area participation-type autonomous blackout avoidance control device which, in the case that the supply and demand balance in a power system has become unstable, enables performing control to autonomously stab...
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WO/2020/172536A1 |
A decorative ornament powered by a vertical axis wind turbine. The turbine includes blades that rotate about a centrally located vertical shaft. An LED illuminated globe is centrally located within the rotating blades and is secured atop...
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WO/2020/172578A1 |
The present system and method provides a cross-current compensation control system that provides for improved load sharing performance during the parallel operation of multiple generators through use of a Proportional Integral PI control...
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WO/2020/162734A1 |
The present invention relates to an electromagnetic machine comprising: rotation shaft; a stator comprising a multi-phase winding wire; a mover (rotor 1) comprising the multi-phase winding wire and spaced apart from the stator at a prese...
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WO/2020/158148A1 |
This power converter 100 is provided with a storage unit 11 which stores the motor constant of a generator, a DC voltage reproducer 8 which uses the rotation speed of a rotor 1 and the motor constant to calculate a reference voltage, a d...
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WO/2020/149565A1 |
The present invention relates to a power generation apparatus to be mounted on a product, the power generation apparatus including: a body (10) which is configured to rotatably support a power generation shaft (15) adjacent to a circulat...
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WO/2020/150536A1 |
Disclosed are various embodiments for a new and improved multi-tunnel motor and controller for an electric motor, where the motor controller is able to dynamically modify the number of phases and pole count of the electric machine in ord...
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WO/2020/136333A1 |
Overvoltage protection device for a variable-speed and constant-frequency electrical energy generation system comprising at least one DC current generator (11) connected, via a DC current bus (12, 121,122), to the input terminals of at l...
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WO/2020/139462A1 |
An apparatus for generating power includes a fluid chamber configured to receive borehole fluid, one or more conductive coils surrounding the fluid chamber, a reciprocating magnetic shuttle disposed in the fluid chamber and dividing the ...
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WO/2020/135905A1 |
The invention relates to a method for controlling a wind turbine as virtual synchronous machine by determining the synchronous machine rotational speed rotational speed ωVSM and the synchronous machine angle θVSM. The virtual synchrono...
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WO/2020/125920A1 |
A method and system of subsynchronous oscillations and interactions damping integrated in in a rotor converter (100) based on an adaptive state feedback controller (132) with two spinning vectors, and a Kalman filter (131) whose paramete...
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WO/2020/128024A1 |
The invention relates to a method for controlling a multi-phase electric machine, the stator of which is controlled by a control bridge comprising a plurality of switching arms, powered by an on-board electrical network of a vehicle and ...
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WO/2020/131005A1 |
A system (100) includes a facility power bus (102) coupled to a utility power grid (112), a power generation sub-system (108) coupled to the facility power bus via one or more first power converters (138), and a fault current control sub...
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WO/2020/128029A1 |
The invention relates to a system (1) for controlling a voltage converter comprising a plurality of top side switches forming a top set and a plurality of bottom side switches forming a bottom set, the control system (1) comprising: - a ...
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WO/2020/127251A1 |
The invention relates to a method for controlling a wound-rotor polyphase rotary electric machine, said rotor being supplied with power by an H-bridge, said H-bridge comprising a first and a second switching arm that are connected in par...
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WO/2020/123941A1 |
A facility for generating electricity that includes a water source, at least one water inlet valve for delivering water to a pressure vessel under pressure, a plurality of pressure vessel water outlet valves in flow communication with th...
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WO/2020/100133A1 |
A Savonius wind turbine has been noted in the past to have the capability to perform more efficiently than other drag-type vertical axis turbines when built according to certain parameters. The previous literature has missed seeing the r...
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WO/2020/098887A1 |
The present invention relates to a method for stabilizing a rotor of a wind turbine during a time period following an abnormal grid event, the method comprising the steps of detecting an occurrence of the abnormal grid event, reducing an...
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WO/2020/100372A1 |
Provided are an electricity generating system for a wind power electricity generating system connected to an electric power grid, and a method for controlling the same, wherein the electric power converting device for the wind power elec...
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WO/2020/089972A1 |
This wind power generation system comprises: a generator body that generates electric power from wind power; an auxiliary machine which assists the generator body; and a power converter that converts first AC power generated by the gener...
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WO/2020/091313A1 |
The purpose of the present invention is to provide an electric generator and parts optimized for same, which allow the size of mutual magnetic action between a rotor and an armature to be self-controlled in the electric generator, with r...
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WO/2020/083937A1 |
The present disclosure relates to controlling a DC-AC inverter of an electric machine, where the electric machine comprises a resonant main exciter having rotary transformer. A voltage level of DC power received at a DC-AC inverter is mo...
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WO/2020/085292A1 |
A power generation control device for an aircraft, said control device being equipped with a low-temperature startup control unit and a power generation control unit. When it is determined that the oil temperature of a hydraulic actuator...
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WO/2020/075400A1 |
A hybrid power generation system that comprises a renewable energy power generation device and a rotary-type power generation device that are connected to a common alternating-current electric power system. When renewable energy or outpu...
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WO/2020/060557A1 |
Described is a system that includes a polyphase generator and a polyphase bridge rectifier electrically coupled to an output of the polyphase generator. The polyphase bridge rectifier may output a positive rectified ripple signal and a n...
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WO/2020/060545A1 |
Described is a hybrid permanent magnet and wire wound starter generator system. The system includes a polyphase stator that converts a rotating magnetic field to electrical energy. The system also includes a rotor including a plurality o...
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WO/2020/055320A1 |
A power take-off device (100) for use in a wave energy converter having a prime mover (404), the power take-off device having a PTO frame (110). A direct drive motor (14) mounted to the PTO frame (110) and electrically connected to an en...
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WO/2020/048744A1 |
The invention relates to a method for reducing the residual energy of an electricity-generating machine (3) of a power plant (1) in the event of a sudden load drop, the machine (3) having at least one turbine (4), which has a turbine con...
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WO/2020/049767A1 |
When there is a restriction in an outfitting space, a mounted engine generator unit requires an operation restriction such as, for example, the current restriction of a generator if a sufficient heat capacity is not ensured. Therefore, t...
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WO/2020/050963A1 |
A self-propelled system for generating and supplying power is disclosed. The system includes a speed multiplier, a generator, a transformer, and a fluid power mechanism. The speed multiplier is coupled to the fluid power mechanism and th...
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WO/2020/048683A1 |
The invention related to a control method for operating a synchronous machine,the machine comprising an exciter connected to a synchronous generator and a controller (40) for controlling the machine field excitation. The method comprises...
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WO/2020/051171A1 |
An engine controller to control a plurality of engines is disclosed. The engine controller may identify a plurality of engines configured to provide power to a load, wherein the plurality of engines have a first set of priorities associa...
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WO/2020/044545A1 |
Provided is an inverter-type engine generator that has one three-phase bridge circuit that functions as a rectifying circuit and a boosting/dropping circuit. An inverter-type engine generator (1) that comprises: an alternator (12); and a...
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WO/2020/044323A1 |
The invention relates to a wind energy installation comprising a drive train (13) having a wind rotor (12), a generator (2) which is driven by the mechanical drive train (13) and interacts with a converter (3) for generating electric pow...
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WO/2020/044544A1 |
Provided is an inverter-type engine generator that has a startup function and has one three-phase bridge circuit that functions as a rectifying circuit, a boosting/dropping circuit, and an engine startup circuit. An inverter-type engine ...
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WO/2020/041412A1 |
A control device (110) includes a first multiplexing unit (202) configured to segregate a first PWM signal having a first switching frequency into a second PWM signal having a second switching frequency and a third PWM signal having a th...
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WO/2020/034491A1 |
An overexcitation limiting method and system for an excitation regulator, the overexcitation limiting method for the excitation regulator comprising: determining an inertia time constant; collecting an excitation current of a generator, ...
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WO/2020/020636A1 |
A method for controlling a system for generating electric power (1) for a power distribution network (RD) of an aircraft, the system for generating electric power (1) comprising a generator (11), a rectifier (12), an inverter (14) which ...
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WO/2020/011410A1 |
A method of performing de-excitation of a brushless synchronous machine (1) comprising a stator (2); and a rotor (5) including: a field winding (7), an exciter armature (13), a rectifier (15) comprising thyristors (T1-T6), the rectifier ...
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WO/2020/011790A1 |
The invention relates to a method for operating a free-piston linear generator (1) for generating electric power. The free-piston linear generator (1) has at least one linear generator (10) as well as at least one combustion unit (11) ha...
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WO/2020/013015A1 |
This variable-speed generator-motor device comprises: a DC voltage device that comprises a variable-frequency power converter and a voltage source converter; an automatic voltage regulator; and a converter current regulator that controls...
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