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WO/2018/014491A1 |
A system and a method for improving the fuel efficiency of an engine, the system comprising a generator (1) and a push rod mechanism (2), one end of a generator rotor (12) being connected to an output shaft of an engine, and the rotor (1...
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WO/2018/016623A1 |
This twin-shaft gas turbine facility is provided with: a twin-shaft gas turbine (10); an induction motor (22) coupled to a compressor (11) of the twin-shaft gas turbine (10); a secondary battery (23); a first frequency converter (24) whi...
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WO/2018/016620A1 |
In the present invention a negative impedance conversion circuit (26) imparts vibration to a nonlinear vibration element (50). When the amplitude of the vibration of the nonlinear vibration element (50) is equal to or greater than a pres...
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WO/2018/010911A1 |
The invention relates to a method for determining an operating state (B) of an electric machine (114) which is coupled to an internal combustion engine (112) by means of a freewheel mechanism (111), having the steps: determining a time p...
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WO/2018/010544A1 |
An automotive generator control method and a control device, the control method comprising the following steps: inputting a current vehicle speed, an actual battery level, an actual battery temperature and an engine operating efficiency ...
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WO/2018/002609A1 |
AUXILIARY WINDINGS IN A ROTATING ELECTRICAL MACHINE A stator for a rotating electrical machine is disclosed, the stator comprising main windings (18) for supplying power to a load and auxiliary windings (20) for supplying power to an exc...
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WO/2017/220120A1 |
An actuator for a turbomachinery system that includes a turbomachine and an electrical machine coupled to the turbomachine by a shaft extending therebetween. The actuator includes a rotor coupled to the shaft. The rotor includes a plural...
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WO/2017/221190A1 |
Equipment for voltage (V) and current (I) feed of an electric load comprised of a load (LOAD) with substantially fixed current absorption and of a storage battery (Battery BANK) with current absorption variable according to the actual ch...
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WO/2017/216259A1 |
A method for controlling an electric power system and an electric power system.The electric power system comprises a prime mover operated at least at a minimum and at a maximum rotational speed, a three phase (L1, L2, L3) AC generator (5...
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WO/2017/218931A1 |
A power generation system (101) is disclosed. The power generation system includes an engine (106) coupled to a DFIG (108) and a PV power source (110) to supply a solar electrical power to the DFIG (108). The power generation system (101...
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WO/2017/211646A1 |
The present invention relates to a method for customising the operation of an alternator (4) regulator (5) comprising at least one processor (2) executing a program governing its operation, said regulator receiving input signals and acti...
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WO/2017/207863A1 |
An electric power plant comprises an electric machine (104) rotated by a prime mover (105). The electric power plant comprises a controller (107) for controlling the prime mover based on a speed signal which is indicative of the rotation...
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WO/2017/202547A1 |
The invention relates to an installation for generating a three-phase AC voltage to be fed into a power supply system, having at least one turbine, at least one three-phase generator driven with the turbine, wherein a generator rotor of ...
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WO/2017/202429A1 |
Aspects of the present invention relate to a method for controlling an amount of reactive current provided from a wind turbine generator to a power grid during an abnormal power grid event, said wind turbine generator comprising a doubly...
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WO/2017/205342A1 |
Improved apparatuses and methods of returning magnetic energy of a motor to the motor system. Improved battery systems and configurations are disclosed to enhance recovery of magnetic energy of a motor, to enhance motor efficiency. A pow...
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WO/2017/202552A1 |
The invention relates to a method for supplying an excitation current to an excitation winding of a rotor of a three-phase generator of a system for producing a three-phase alternating voltage to be fed into a power network. A pulsed exc...
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WO/2017/202428A1 |
Aspects of the present invention relate to a method for controlling an amount of power to be delivered from a wind turbine generator to a power grid during an abnormal power grid event, the method comprising the steps of detecting an abn...
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WO/2017/204668A1 |
A method for receiving power generated by the generator, generating AC voltage in the system comprising DC converter, incorporation of the converter into a power supply of a size adjusted to the power of the receiver, monitoring of the g...
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WO/2017/201427A1 |
A computer system and method for improving the accuracy of predictions of the amount of renewable energy, such as solar energy and wind energy, available to an electric utility, and/or refine such predictions, by providing improved integ...
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WO/2017/195698A1 |
Provided are an electric power generation facility monitoring system, an electric power generation facility monitoring method, and a program that are straightforward to introduce. An electric power generation facility monitoring system 1...
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WO/2017/195799A1 |
A rotating electrical machine unit (10) is provided with: a rotating electrical machine (17) that is driven by an engine (101) and is capable of generating alternating-current power; a rectification circuit (13) that rectifies an alterna...
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WO/2017/191298A1 |
A generator or motor system for converting mechanical power into electrical power or vice versa, comprising: a switched reluctance machine having a rotor and a stator with a number of phase windings (A, B, C), the phase windings being pa...
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WO/2017/190898A1 |
The invention relates to a method for determining the phase currents (lk ,i,m) of an electric machine having a converter (20) and a stator (10) comprising windings (11-15) having a phase count of at least three, wherein the phase current...
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WO/2017/188187A1 |
The purpose of the present invention is to provide a refrigerator unit that is reduced in size and in which the engine rotation speed is shifted by a transmission mechanism, whereby power of a desired frequency can be generated. The refr...
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WO/2017/183698A1 |
A system (100) is equipped with a dynamoelectric machine (12), a battery (10) connected to the dynamoelectric machine via wiring (16), and upper-limit value setting units (43, 46, 60) for setting an output upper-limit value, which is an ...
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WO/2017/183699A1 |
A system (100) is equipped with a dynamoelectric machine (12), a battery (10) connected to the dynamoelectric machine (16) via wiring, and upper-limit value setting units (43, 46, 60) for setting an output upper-limit value, which is an ...
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WO/2017/181322A1 |
A method (100, 300), system (900) and apparatus (1000) for operating a hydraulic turbine. A speed adjustment quantity for the hydraulic turbine and a corresponding change in flow quantity are obtained (110, 310). A rotation speed of the ...
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WO/2017/177612A1 |
Disclosed is a generalized frequency conversion system for a steam turbine generator unit, the system comprising at least a steam turbine (T) with an adjustable rotational speed, a water feeding pump (BFP), a generator (G), a speed incre...
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WO/2017/168063A1 |
The regulating device (5) according to the invention for an excitation alternator (9) comprises a voltage feedback loop (6) and a temperature feedback loop (15) comprising means for measuring/estimating temperature supplying a current te...
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WO/2017/163320A1 |
Provided is a power conversion device for accurately calculating the phase even when noise is mixed in a detected or estimated electric signal. The power conversion device is provided with: a linear function conversion unit for convertin...
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WO/2017/164022A1 |
This brake device for an AC generator is capable of slow and fast control, and functions normally even when the control unit has been lost. This brake device is provided with: a triac TR that has a first terminal connected to one and a s...
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WO/2017/164531A1 |
The present invention relates to a device and a method for controlling the torque of a small hydropower generator in response to inflow rate fluctuation without the loss of line frequency synchronization, the device and the method being ...
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WO/2017/162780A1 |
Electric rotating machine (1) having a stator (2) and a rotor (3), wherein the rotor (3) is provided with rotor windings (4) which are connected to electric contacts to carry a field current and wherein there is a control device (5) prov...
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WO/2017/163126A1 |
A power generation system (101) is disclosed. The power generation system (101) includes a variable speed engine (106) and a doubly- fed induction generator (DFIG, 108) coupled thereto. The DFIG (108) includes a generator (112) to genera...
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WO/2017/164074A1 |
The purpose of the present invention is to provide a damper device and a fitting, which are capable of applying damping force to a movable body regardless of the position thereof, the damping force corresponding to the movement speed of ...
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WO/2017/163831A1 |
A power supply system (1) is provided with: a synchronous power generator (11) connected to a three-phase power distribution system (40) connected to a customer load (30); an inverter (21) connected to the power distribution system (40),...
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WO/2017/159435A1 |
A three-phase AC power source apparatus (1) detects currents flowing through power distribution lines at the respective phases of a generator (3), and determines whether or not any one of the detected currents exceeds a rated current. Th...
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WO/2017/158669A1 |
This power source system is provided with: a first power system; a second power system; and a power control apparatus. The first power system has a first power generation apparatus provided with an engine, and is coupled to a power load ...
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WO/2017/160825A1 |
A wind turbine generator that harvests wind energy includes a ground-level wind shaft and impellor generator system that replaces the large propeller-type turbines, pole/tower mounted generators, and associated equipment. The wind shaft ...
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WO/2017/159550A1 |
Provided is a method for generating wind power which makes it possible to efficiently generate power while preventing a rotor from stalling even when wind speed is low. A lower-stage first rotor 2A among a plurality of upper- and lower-s...
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WO/2017/156359A1 |
An uninterruptable power supply (UPS) system for providing power to a load coupled to a utility power source is provided. The UPS system includes a doubly-fed induction generator (DFIG), a rechargeable energy storage system, a first inve...
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WO/2017/154035A1 |
When switching the supply of power between a plurality of power supply sources, an input command is output to a breaker for switching when the frequency difference and phase difference between said power supply sources are respectively w...
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WO/2017/149948A1 |
The present invention addresses the problem that when an engine is automatically stopped and the vehicle is coasting in a state in which a power transmission path between the engine and the wheels is interrupted, if, when a deceleration ...
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WO/2017/144238A1 |
Electric motor, in particular induction motor, comprising a stator, a rotor and a control device which is arranged at the rotor. The three rotor windings are connected to a Rotor Control device with inverter and controller unit mounted o...
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WO/2017/147595A1 |
An integrated control system and method which improves load application/rejection performance for diesel generating sets is disclosed. Feedback-linearizing control is used for voltage regulation, which removes interaction between automat...
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WO/2017/141711A1 |
The purpose of the present invention is to reduce energy loss occurring during navigation of a ship and to efficiently control propulsion force. Provided is an electric propulsion device (10), wherein in a first control mode, a governor ...
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WO/2017/140690A1 |
In the field of power system stability there is provided a method of predicting the presence of an out-of-step condition (54) in a power system (10) that includes a plurality of generators (12, 14, 16, 18), the method including the steps...
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WO/2017/137133A1 |
The invention relates to a method for determining freewheel phases (PhiFi) of an electrical machine (114) coupled, by means of a freewheel mechanism (11), to an internal combustion engine (112), the method comprising the steps: detecting...
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WO/2017/137131A1 |
The invention relates to a method for determining a decelerating torque (M) of an electrical machine (114) coupled, by means of a freewheel mechanism (111), to an internal combustion engine (112), the method comprising the steps: detecti...
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WO/2017/135657A1 |
The present invention relates to a torque mode switch control system for maintaining a rated output of a wind turbine and, more specifically, to a torque mode switch control system and method for a wind turbine, the system comprising: a ...
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