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WO/2019/017269A1 |
The rotary electric machine is provided with a control unit (55) and switches (53a, 56b) for supplying power to a field winding (43). Duty ratio is defined as the ratio of ON-time to one switching interval of the switches, and a predeter...
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WO/2019/015777A1 |
The invention relates to an arrangement (1) comprising an asynchronous machine (5), which, in generator operation, is configured to feed electric power into an AC network (4). According to the invention, the asynchronous machine can be d...
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WO/2019/017267A1 |
This rotary electric machine (10) has: an annular stator (30) in which an armature winding (32) is wound around a stator core (31); and a rotor (40) disposed on the inner peripheral side of the stator, wherein the permeance (Pst) of a q-...
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WO/2019/012814A1 |
The present invention autonomously controls operation of wind power generators and enables compensation of variations in a system frequency. Wind power generation devices 12a, 12b are connected to a power system 11 and comprise: first co...
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WO/2019/012830A1 |
Provided are a power generation device and a power generation system with which the amplification of harmonic current due to resonance can be suppressed while preventing a decrease in power generation efficiency. The power generation dev...
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WO/2019/012788A1 |
The present invention includes: a doppler radar that is installed on at least one of a plurality of wind power-generation devices and that projects a laser beam to measure the wind conditions around the wind power-generation devices; and...
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WO/2019/003921A1 |
Provided are a vehicle control device and a vehicle control method that make it possible to improve the start-up performance of an internal combustion engine in a vehicle that is likely to have a low voltage in a battery that supplies po...
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WO/2019/001623A1 |
The invention relates to a rotor (1) for an electrical machine (20). The rotor (1) comprises: - a rotor body (10), - an axis of rotation (D), which extends in the axial direction (X) and around which the rotor body (10) can be rotated, -...
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WO/2018/235188A1 |
A thyristor starting device (100) for accelerating a synchronous machine (20) from a stopped state to a prescribed rotation speed by sequentially executing a first mode for performing inverter (2) commutation by intermittently switching ...
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WO/2018/234607A1 |
The invention relates to a device for generating electrical energy, comprising at least one magnet (2), as a field element, and at least one pair of windings (3), as an armature element, with the poles thereof disposed in an alternating ...
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WO/2018/235187A1 |
A thyristor starting device (100) for accelerating a synchronous machine (20) from a stopped state to a prescribed rotation speed by sequentially executing a first mode for performing inverter (2) commutation by intermittently switching ...
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WO/2018/231422A2 |
A method for operating an electrical power system includes detecting a bridge current magnitude in a rotor-side converter or line-side converter of a power converter, the power converter electrically coupled between a generator rotor and...
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WO/2018/216604A1 |
A control device (60) is provided with: field control units (80-82) that control a field current flowing through a field winding (32) to a field command current; first control units (90-92) that, when the modulation rate is greater than ...
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WO/2018/207829A1 |
A control device (24, 28) equipped with: a first control unit that carries out control to turn off switches that include a first element group (all of the switches Sp) in a power conversion circuit (22) when a voltage detected by a volta...
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WO/2018/208649A1 |
Systems and methods for controlling a power converter in a wind turbine system are provided. The wind turbine system can include a generator and a power converter. The power converter can include a plurality of switching devices and a cu...
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WO/2018/200463A1 |
A downhole power generation system is disclosed, which includes a turbine generator system. The turbine generator system includes a turbine, a generator coupled with the turbine and having an AC-DC rectifier, and an optimized power contr...
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WO/2018/198652A1 |
A rotating electric machine control device (200) is provided with an inverter (22), a calculation device (24) for controlling turning on/off of switches of the inverter, and an interrupt circuit (30) for forcibly interrupting the switche...
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WO/2018/200456A1 |
A downhole power generation system is disclosed, which includes a plurality of power generation modules for providing power to a load. Each power generation module includes a turbine, and the plurality of turbines in the plurality of pow...
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WO/2018/200461A1 |
A downhole power generation system is disclosed, which includes a power generation module for providing power to a load, comprising a turbine driven by flow of a downhole fluid to rotate, a generator coupled with the turbine for converti...
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WO/2018/200952A1 |
A method for providing electrical power at locations where shore power is unavailable, such as construction sites, remote utility sites, etc. Particularly, the method comprises simultaneously providing significant three phase power and s...
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WO/2018/193560A1 |
A power conversion device including: an energization device that applies a voltage to an armature winding and a field winding of a dynamo-electric machine according to an energization signal, and causes the dynamo-electric machine to per...
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WO/2018/193106A1 |
The invention relates to a power generation system, comprising a synchronous generator (3) for converting mechanical power into electrical power at an output side configured for connecting an AC power grid (1), a first rectifier (12) and...
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WO/2018/193782A1 |
A dynamo-electric machine control device (23), applied to a power supply system in which a bypass switch is switched from a closed state to an open state in association with switching of a start switch from an OFF state to an ON state. T...
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WO/2018/188964A1 |
The invention relates to a hydroelectric power plant for regulating the frequency of a power supply network, comprising an upper water pool (1), a lower water pool (2), a waterway (3) which connects the upper water pool (1) to the lower ...
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WO/2018/188965A1 |
The invention relates to a hydroelectric power plant for regulating the frequency of a power supply network, comprising an upper water pool (1), a lower water pool (2), a waterway (3) which connects the upper water pool (1) to the lower ...
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WO/2018/190120A1 |
A power generating device (1) comprises: a photoelectric conversion unit (2) that has a photoelectric conversion film (10); an electret power generating unit (3) that has an electret layer (200) for holding an electric charge and is conf...
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WO/2018/187369A1 |
Disclosed is a virtually renewable electric power-generating system configured to provide an efficient means for generating electricity for charging an electrical energy storage source such as batteries using the same energy storage sour...
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WO/2018/186263A1 |
Provided is an output control device for a wind power generation device with which surplus power generation when the rating is exceeded in a table control device can be suppressed, thereby eliminating the need for countermeasures such as...
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WO/2018/179827A1 |
A power generator (1) is provided with: an output information acquiring unit (5) for acquiring output information including power generation body capacity information and the output frequency information of the power generator (1), said ...
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WO/2018/173771A1 |
A rotating electric machine control device (24) is provided with: a rotating electric machine (21) having an armature winding (25) and a field winding (26); and a field circuit (23) having a plurality of switching elements (51-54) and en...
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WO/2018/173116A1 |
A power generation device comprises: a sealed oxyhydrogen generation means 11 that is provided with a plurality of first electrode plates 15 to 17 arranged with a gap therebetween and having power supply units 12 to 14 commonly connected...
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WO/2018/174248A1 |
This power generation plant is provided with: plant equipment; an alternating current electric motor for starting the plant equipment; at least one direct current power supply; and a first inverter that is provided at a position, which i...
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WO/2018/175762A1 |
The present invention is able to extract significant amounts of energy from a user who is walking or running while remaining discreetly hidden near an area of the body where many people already carry things (e.g. wallet, smartphone, keys...
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WO/2018/172441A1 |
The invention relates to a method for feeding electrical power into a three-phase electrical power supply network at a network connection point, particularly by means of a wind power plant, using an inverter, said method comprising the s...
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WO/2018/161974A1 |
Disclosed in the present invention is a novel reactive power overexcitation regulation technology for a synchronous generator. The method comprises: measuring the stator voltage, stator current, active power and reactive power of a synch...
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WO/2018/162390A1 |
The present disclosure relates to an electrical machine, a rotor for use in an electrical machine, a monitor module for use with an electrical machine and a method a method of determining a first machine characteristic of an electrical m...
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WO/2018/153591A1 |
It is described a method of controlling a permanent magnet generator (101), the method comprising: measuring mechanical noise (121) of the generator (101); deriving two quantities (125) indicative of an amplitude and a phase of an undesi...
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WO/2018/151233A1 |
A control device 4 for a power generation system 1 is equipped with a target voltage adjustment unit 43 for adjusting a target voltage Vr of a power generator 3. The target voltage adjustment unit 43 has: a voltage lowering function for,...
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WO/2018/150072A1 |
The present invention can detect internal faults in systems, regardless of whether the shortcircuit occurs in the stator or in the rotor of a wound rotor induction machine (2). The differential current wave calculated as a result of comp...
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WO/2018/152466A1 |
An on-demand generator starting system and method is disclosed. The generator starting system is included as part of a standby or portable generator that includes one or more outlets that provide electrical power to an electrical device....
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WO/2018/146989A1 |
Provided is a battery deterioration assessment device that assesses the deterioration state of a battery. The device is for use in a system (10) having a generator (16), an engine (36) that drives the generator, and a battery (20) that s...
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WO/2018/147127A1 |
A control system applied to a power supply system (10) is provided with: a first control device (37) for controlling switches (31, 32, 36, 39); a second control device (23) for controlling the power generation and powering operation of a...
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WO/2018/143013A1 |
A power distribution system in a moving body, provided with a first power system connected to a power generator and a first power load in which the amount of power fluctuation is less than a prescribed value, a second power system connec...
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WO/2018/141463A1 |
The invention relates to a controllable voltage-generating apparatus (100) comprising: - a mechanically driven separately excited generator device (10); - wherein an electric output voltage of the generator device (10) can be rectified u...
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WO/2018/142915A1 |
Provided is an alternator control device capable of effectively preventing the occurrence of trouble attributed to rapid electric current consumption in a situation where the output voltage of an alternator is reduced. An alternator cont...
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WO/2018/141695A1 |
A method for regulating a collection of alternators comprising at least two alternators which power a load (C) in parallel and are each fitted with a regulator (12, 13) configured to deliver an output signal representative of the rate of...
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WO/2018/143046A1 |
A rotating electrical unit is provided with: a rotating electrical machine (21); a plurality of switching elements (Sp, Sn) which effect conduction of electricity and isolation for each phase of the rotating electrical machine; a control...
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WO/2018/142676A1 |
This inverter power generator is provided with: an engine; an actuator that adjusts the opening of an engine throttle valve; a power generation unit that generates AC power from motive power of the engine; a converter that convers the AC...
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WO/2018/141460A1 |
The invention relates to a voltage generating device (100) having the following: - a mechanically drivable generator device (10) which is separately excited; wherein - an electric starting voltage of the generator device (10) can be rect...
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WO/2018/137007A1 |
The present utility model application relates to an arrangement applied to a wind power generator for use in vehicles and/or related to vehicle air-conditioning that is intended to cool the internal environment of the vehicle, facilitati...
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