Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 12,633

Document Document Title
WO/2018/167342A1
The invention consists in combining the use of a switched system in a permanent-magnet three-phase electric motor, by means of which the winding of the motor can be connected selectively in star or delta connection in order to increase t...  
WO/2018/170091A1
An embodiment of a ruggedized interferometer is described that comprises a light source (210) that generates a beam of light; a fixed mirror (207); a moving mirror (205) that travels along a linear path; a beam splitter (215) that direct...  
WO/2018/163591A1
A power conversion device 100 having: a first and a second inverter 110, 140, which can be connected to at least one of a first and a second coil group 210, 220; a first separation relay circuit 120 connected to the first inverter; a sec...  
WO/2018/163363A1
A motor driving device (100) comprises: an inverter (50) that is connected to terminals connected to a winding of a motor (70) having a winding, the inverter (50) applying an AC voltage to the motor (70); a switching part (60) that is co...  
WO/2018/159100A1
This motor control method includes: a step in which the combined magnetic flux, the stator current, and the stator voltage are acquired from a phasor representation using an αβ fixed coordinate system or a dq rotary coordinate system a...  
WO/2018/159102A1
This motor control method includes: a step in which the combined magnetic flux and the stator current are acquired from a phasor representation using an αβ fixed coordinate system or a dq rotary coordinate system as a reference; a step...  
WO/2018/159099A1
This motor control method includes: a step in which the armature magnetic flux, the combined magnetic flux, the stator current, and the stator voltage are acquired from a phasor representation using an αβ fixed coordinate system or a d...  
WO/2018/159101A1
This motor control method includes: a step in which the stator current and the stator voltage are acquired from a phasor representation using an αβ fixed coordinate system or a dq rotary coordinate system as a reference; a step in whic...  
WO/2018/159104A1
This motor control method includes: a step in which the combined magnetic flux, the stator current, and the stator voltage are acquired from a phasor representation using an αβ fixed coordinate system or a dq rotary coordinate system a...  
WO/2018/159213A1
[Problem] To provide: a control device that with a simple heat dissipation structure can reduce costs during component replacement, that can be configured in pumps smaller than pumps have heretofore been, and that is easily manufactured;...  
WO/2018/159103A1
This motor control method includes: a step in which a combined magnetic flux vector, the stator current, and the stator voltage are acquired from a phasor representation using an αβ fixed coordinate system or a dq rotary coordinate sys...  
WO/2018/154895A1
Provided is a linear motor control system capable of improving driving efficiency and vibration noise characteristics. The linear motor control system is provided with: a device provided with a mover 3 and an armature 2 and relatively re...  
WO/2018/150511A1
A rotating electric machine having a small size, a high output, and a low torque ripple characteristic is provided in such a way that: a motor frame is reduced by utilizing reluctance torque that characterizes an IPM motor; and the incre...  
WO/2018/147054A1
This motor (1) is provided with switching units (E1, E2, F1, F2, G1, G2) that switch a connection of a first stator coil (U1) and a second stator coil (U2) between a serial connection and a parallel connection on the basis of operation i...  
WO/2018/147403A1
A rotary electric machine control device (10) for controlling the driving of a rotary electric machine (80) provided with a plurality of winding sets (180, 280) is provided with a plurality of drive circuits (120, 220) and a plurality of...  
WO/2018/147402A1
A rotary electric machine control device (10 to 12) controls a rotary electric machine (80) which includes a plurality of winding sets (180, 280). Inverter circuits (120, 220) are provided for corresponding winding sets (180, 280). Power...  
WO/2018/146604A1
The present subject matter provides electric machine (16) with an auxiliary coil (20) wound around a stator tooth and voltage induced in the auxiliary coil 5 (20) is used to control one or more switches (s101, s102) used for winding reco...  
WO/2018/142635A1
[Problem] To improve the performance of an inverter-driven six-phase motor device. [Solution] Two three-phase voltages of opposite phases are applied separately to two three-phase coils. In a simultaneous switching mode, mutually opposit...  
WO/2018/142649A1
Provided is a multiplexed three-phase inverter drive motor device capable of switching the number of turns of a stator coil without adding a switching circuit for switching the connection of the stator coil. A plurality of three-phase in...  
WO/2018/142157A1
Apparatus is provided comprising an electrical motor comprising a rotor and a stator, the rotor comprising a plurality of rotor teeth and the stator comprising a plurality of stator teeth. The apparatus has a driver circuit to drive the ...  
WO/2018/142653A1
The present invention according to one aspect has a configuration, in which six phase coils in two concentratedly wound three-phase coils in a tandem motor are arranged in the circumferential direction by at least either a pole number-do...  
WO/2018/142867A1
Switch control devices (24, 70) turn a pair of switches (Sp, Sn, 51, 52) on and off alternately according to a duty signal, so that both are not on simultaneously. The switches (Sp, Sn, 51, 52) are provided in series between a power supp...  
WO/2018/140905A1
A motor drive and method of controlling a motor are provided. The motor drive includes a controller generating a motor reference voltage; a DC bus providing a DC voltage having a ripple; an inverter including power switches operable to c...  
WO/2018/139098A1
An article transferring device (100) capable of transferring an article (10), comprising running rails (110), a primary-side fixed element group (120) and a drive power source (130) all disposed along a prescribed path, and a first trans...  
WO/2018/138846A1
With the present invention, obtained are an electric drive device and an electric power steering device with which it is possible to improve output while suppressing the occurrence of irreversible demagnetization of a permanent magnet du...  
WO/2018/129819A1
An electronic pole changing-based induction motor control system and a control method thereof. The induction motor control system comprises an induction motor, an inverter, and a direct current power supply. The inverter is connected to ...  
WO/2018/131318A1
[Problem] To enable a large torque to be output and facilitate constant output characteristics through field weakening. [Solution] A motor is provided with: circumferentially disposed stator windings SW; a rotor Rot having rotor magnetic...  
WO/2018/131646A1
Provided is a rotating electric machine comprising a stator and a rotor. The rotor includes a magnetic field core, a magnetic field winding, and a permanent magnet. The magnetic field core includes a boss, a disc, and claw-shaped magneti...  
WO/2018/126560A1
A method for driving a linear resonant actuator, and a terminal, for use in accurately obtaining a resonance frequency of the linear resonant actuator, thereby driving the linear resonant actuator by using a driving signal having the res...  
WO/2018/115404A1
A drive system (10) for a traction vehicle comprises a fuel powered motor (12); a generator (16) driven by the fuel powered motor (12), the generator (16) being adapted for generating a multi-phase AC current, when driven by the fuel pow...  
WO/2018/117286A1
The objective of the present invention is to provide a compressor that is applied to a refrigerator without a cycle matching capability or a refrigerator without a control unit and can control the driving of a linear motor by itself, in ...  
WO/2018/115406A1
The invention relates to a drive system (100) having the following: a three-phase motor (10) which has the following: a shaft (11), a first three-phase stator winding (12) that is to be connected to a three-phase alternating voltage grid...  
WO/2018/110242A1
This control device (40) is for a rotating electrical machine (10) which is capable of performing a powering operation and a power generation operation. During the powering operation, inverter circuits (INV1, INV2) convert DC power suppl...  
WO/2018/108353A1
The present disclosure relates to an excitation system (1-1) for a synchronous machine, comprising: a plurality of coil groups (7a-7c) connected to each other, forming a field winding of a rotor of a synchronous machine, and a plurality ...  
WO/2018/111200A1
The object of the invention is a drive for multiple permanent magnet synchronous motors-PMSM with a series connection to one frequency converter (inverter). The invention is characterized in that individual phase windings of the motors M...  
WO/2018/102872A1
A controller for an AC electric motor, the controller including: a power converter driving the AC electric motor; a feed forward converter that derives voltage values provided to the power converter; and a load model unit configured to d...  
WO/2018/104754A3
A method of controlling a switched reluctance motor is disclosed herein. The motor comprises a stator carrying a plurality of phase windings and a rotor. The method comprises activating the phase windings in a sequence selected to apply ...  
WO/2018/104754A2
A method of controlling a switched reluctance motor is disclosed herein. The motor comprises a stator carrying a plurality of phase windings and a rotor. The method comprises activating the phase windings in a sequence selected to apply ...  
WO/2018/100392A1
The present techniques generally relate to electric motor which may include one or more sensors usable to determine rotor alignment and/or speed. A method and apparatus for rotor alignment and/or speed error detection and/or correction a...  
WO/2018/100393A1
The present techniques generally relate to electric motor which may include one or more sensors usable to determine rotor alignment and/or speed. A method and apparatus for rotor alignment and/or speed error detection and/or correction a...  
WO/2018/099701A1
The invention relates to a method for switching off a current-excited synchronous machine of a motor vehicle comprising a rotor (R) and a stator (S) and supplied by means of power electronics, wherein the rotor (R) is supplied via an exc...  
WO/2018/097685A1
The present invention relates to a rotatable camera device capable of efficiently moving a camera module to an initial position in an initializing operation. The rotatable camera device according to the present invention comprises: a cam...  
WO/2018/095868A1
Integrated electric gear and charger system for battery powered electric vehicles An integrated electric gear and charger electronic system for battery powered vehicles is provided. The electric gear comprises a first plurality of switch...  
WO/2018/096614A1
A motor drive device (100), used to drive a motor provided with a plurality of winding groups constituting a three-phase winding. The motor drive device (100) is provided with a switching unit (3) for switching the connection of the wind...  
WO/2018/091682A1
An electrical converter (12) with at least two output phases comprises a rectifier (28) and a thyristor-based inverter (34) interconnected by a DC link (30) with an inductor (32), wherein the thyristor-based inverter (34) comprises a hal...  
WO/2018/092210A1
A rotating electric machine control device is configured so that when a switching element cut-off failure determination unit determines the failure of a switching element cut-off switching unit, the output torque that is to be generated ...  
WO/2018/092261A1
A UVW-phase inverter circuit (110) and an XYW-phase inverter circuit (120) for controlling a motor having a plurality of UVW-phase and XYZ-phase winding groups receive inverter control signals (Su-Sz) for the respective phases. The inver...  
WO/2018/087917A1
When outputting a voltage application command to a three-phase winding of one system, a motor control device sets proportional constants for a d-axis and a q-axis using respective Ld and Lq as parameters. When outputting voltage applicat...  
WO/2018/088467A1
This rotary electric device control device (10) controls driving of a rotary electric device (80) having multiple coil sets (81, 82), and is provided with multiple drive circuits (120, 220) and multiple control units (131, 231). The cont...  
WO/2018/088465A1
This rotary electric device control device (10) controls driving of a rotary electric device (80) having multiple coil sets (180, 280), and is provided with multiple drive circuits (120, 220) and multiple control units (131-136, 231-236)...  

Matches 1 - 50 out of 12,633