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Patent Searching and Data


Matches 1 - 50 out of 19,189

Document Document Title
WO/2019/094179A1
A power generation system (100, 300, 400) is presented. The power generation system (100, 300, 400) includes a doubly-fed induction generator (DFIG) (106), a point of common coupling (PCC) (116) electrically coupled to a stator winding (...  
WO/2019/089466A1
An energy harvester device (100) comprises a support structure (102), an eccentrically weighted rotor (104) rotatably coupled to the support structure (102), a rotor movement limiter mechanism coupled to the support structure (102) and c...  
WO/2019/087832A1
A control device (60) is used in a control system provided with: a rotary electric machine (30) having stator windings (34U to 34W); and an inverter (40) that has switches (SUp-SWn) and drives the switches to transmit electric power betw...  
WO/2019/088924A1
A linear motor is disclosed, the linear motor comprising a longitudinal coil assembly comprising coil units arranged in a cascading manner and a magnet track spaced from the coil assembly, and adapted to move along a path which traces a ...  
WO/2018/231422A3
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...  
WO/2019/084568A1
An electromagnetic machine includes a housing, an axle coupled to the housing in a rotatable fashion, a stator assembly disposed generally within the housing, the stator assembly including a stator plate and a stator bearing coupled to t...  
WO/2019/081366A1
The invention relates to a method for operating a double-fed asynchronous machine (1), the method having the following steps: - exciting an excitation winding (30) of a rotor (3) of the asynchronous machine (1) by an excitation unit (4),...  
WO/2019/053675A3
Disclosed is a regenerative braking arrangement for an electrical vehicle. The regenerative braking arrangement includes at least one electrical motor including a casing, a stator mounted on the casing. The stator includes one or more pl...  
WO/2019/072439A1
The invention relates to a method for operating an electric machine which can be operated using PWM control (A1) and using block control (A3), wherein a transfer control (A2) is used for transfer between the PWM control (A1) and the bloc...  
WO/2019/073800A1
A control device (60) that comprises memory (61) that stores setting information that associates: combinations of armature-side command values for an armature winding of a stator (33) and field current command values for a field winding ...  
WO/2019/073335A1
An electronic control system is for an electrically excited electric generator which comprises a rotor with electromagnets and a stator with windings configured to produce an electrical output. The electronic control system comprises a c...  
WO/2019/069247A1
Disclosed herein is a method for circuit breaker failure (CBF) protection in a power substation. The method detects the failure of circuit breakers (CBs) that are associated with a power plant connected to a power network via the powered...  
WO/2019/064817A1
This vehicle control device comprises: a generator motor; an inverter that is connected to the generator motor; first and second power storage means; and a switching means that switches a connection state between the first power storage ...  
WO/2019/065217A1
In the present invention, a flowpath (1) is provided with: a main path (12) on which is disposed a fluid machine (21); and a by-pass path (13) which is disposed in parallel with the main path (12). The by-pass path (13) is provided with ...  
WO/2019/060571A1
Multiphase electromagnetic machines, such as free -piston engines or compressors, may require, or supply, a pulsed power profile from or to a DC bus, respectively. The pulsed power profile may include relatively large fluctuations in ins...  
WO/2019/057361A1
The invention relates to a method for operating an extraneously excited electric machine, in which an exciter current (lex) is set in the context of control. The exciter current (lex) is increased if a phase angle (φυ) of a voltage is ...  
WO/2019/058764A1
The purpose of the present invention is to provide a hydroelectric power system interconnection system that comprises, without having a host controller or the like, a plurality of water wheel generators that perform operation of autonomo...  
WO/2019/054885A1
The invention relates to an energy and power generation system and process, especially self-powered motor and generator/alternator set-up. The system has at least one upsized drive shaft adapted as one of the main elements thereof compri...  
WO/2019/052481A1
The disclosure relates to an alternator system (3, 130) comprising an alternator (5, 150) with a stator having at least one stationary winding and a rotor with a rotatable field coil (4, 140) for producing alternating current, a main vol...  
WO/2019/048146A1
The invention relates primarily to a method for thermally protecting a rotating electrical machine (10), in particular for a motor vehicle, comprising: - a step of evaluating a plurality of temperatures of different elements (12, 14, 15)...  
WO/2019/049502A1
The purpose of the present invention is to provide a wind power generation device that, when a plurality of control functions are executed simultaneously with pitch angle control, ensures stability by securely activating a control functi...  
WO/2019/042919A1
The present invention relates to a method for controlling a multiphase separately excited synchronous generator (302) in a wind turbine (100), wherein the synchronous generator (302) has a stator (322) and a rotor (324), the rotor (324) ...  
WO/2019/044014A1
Provided are a power generation system and a control method therefor that can realize high efficiency and widen an output adjustment range in accordance with operating conditions such as load fluctuations, the atmospheric environment, an...  
WO/2019/045691A1
Mobile power generation system and methods for dual-voltage generation include providing a trailer including a rear end, a front end, a bottom end, and a top end, a gas turbine housed inside the trailer, and an electrical generator coupl...  
WO/2019/037908A1
It is described a method of monitoring a first winding set (15) and at least one second winding set (23) of a stator of a generator (13) during operation, the method comprising: obtaining a first strength (X1,2f) of a second harmonic of ...  
WO/2019/039608A1
An electromotive drive type wheel loader (30) is provided with: a power generation motor (5) mechanically connected to an engine (1); a power generation inverter (6) that controls the power generation amount of the power generation motor...  
WO/2019/038253A1
The invention relates to a method for influencing the energy consumption during the operation of a motor, comprising the following method steps: a target variable, which can be influenced by the power that is output by the motor, is defi...  
WO/2019/036496A1
A motor system comprises a device having a plurality of conductors coupled to a plurality of isolated connection bars, wherein the plurality of conductors is divided symmetrically into a plurality of conductor groups, and all conductors ...  
WO/2019/023023A1
A hybrid power generation system is presented. The system includes a first power generation subsystem including a prime mover driving a generator including a rotor and a stator, one or more first conversion units coupled to at least one ...  
WO/2019/021128A1
The invention relates to a load dump for example for connection to a dynamic brake resistor and is especially useful when several motor drives and motors are operating together, are interconnected in one system. A load dump for connectio...  
WO/2019/016050A1
The invention relates to an instrumentation and control method (100) for a rotating electrical machine (1), in particular for a motor vehicle, said rotating machine (1) comprising a voltage regulator (11), said method comprising a step o...  
WO/2019/017268A1
In this rotary electric machine (10), the permeance of a q-axis magnetic circuit is larger than the permeance of a d-axis magnetic circuit. The rotary electric machine is provided with a control unit (55) and switches (53a, 56b) for supp...  
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...  
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...  
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-...  
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...  
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...  
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...  
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...  
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, -...  
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 ...  
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 ...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  

Matches 1 - 50 out of 19,189