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Matches 1 - 50 out of 12,724

Document Document Title
WO/2018/222523A1
A brushless direct current electric motor assembly includes a housing having a first end and a second end and a stator disposed in the housing. The assembly further includes a rotor subassembly disposed in the stator, the rotor subassemb...  
WO/2018/211620A1
When the connection between a DC power supply and a multigroup-multiphase power conversion device is interrupted, a control device controls switching elements to cause a plurality of groups of power conversion devices constituting the mu...  
WO/2018/207719A1
In the present invention, two three-phase inverters impose a H-bridge mode and a star mode on a double-ended three-phase coil. One of the two inverters outputs a neutral point voltage in the star mode. In the H-bridge mode, each of the p...  
WO/2018/207748A1
A drive shaft (20) rotationally drives a load. A drive support unit (50) rotationally drives the drive shaft (20) by an electromagnetic force generated by the passage of a current within a predetermined current range, and also supports, ...  
WO/2018/207767A1
A drive support unit (160, 170, 180, 250, 260, 450, 460, 621, 640, 760, 770, 780, 782, 784, 787, 840, 850) of a turbo compressor (101, 210, 410, 601, 701, 812) comprises at least one bearingless motor (160, 170, 250, 450, 640, 760, 770, ...  
WO/2018/209009A1
An improved hybrid drive apparatus with a switched reluctance hub motor. The switched reluctance motor eliminates any drag caused by the existing magnetic fields of the motors used in the prior art by turning off the magnetic fields when...  
WO/2018/203387A1
During a time period from start of activation of a permanent magnet synchronous electric motor (4) to completion of the activation, an activation control unit (17) calculates an α-axis induced voltage (Eα) and a β-axis induced voltage...  
WO/2018/198739A1
A motor drive device for driving a motor, wherein: the motor drive device has a control unit for outputting a drive signal instructing the amount by which a motor is to be driven, a drive unit including a plurality of inverter circuits f...  
WO/2018/198725A1
In the present invention, at least one of the following is satisfied: the directions of vectors (VV1a, VV2a) of N sets of a first pulse voltage are different from each other; the directions of vectors (VV1c, VV2c) of N sets of a second p...  
WO/2018/198928A1
A motor control apparatus 32 has: an on/off switch 22; a main control unit 36; a motor control circuit 38; an operating voltage generation circuit 40; a SW/AC monitoring unit 46; and an operating voltage monitoring unit 48. The SW/AC mon...  
WO/2018/195726A1
A control method for an oscillating motor and the oscillating motor. A control unit of the oscillating motor is further used to store configured pulse parameters and output an alternating pulse having corresponding pulse width and freque...  
WO/2018/195559A2
A rotating field machine (200) including a stator (140) and a rotor (150) are provided. In particular, a dual-winding rotating field machine (200) in which the stator (140) includes two separate windings can be provided. In one example i...  
WO/2018/189521A1
An electrical motor comprising multiple inductive coils, and a method for using same, is disclosed. The inductive coils may be configured to conduct current bi- directionally. Terminals of the inductive coils may be coupled to a common n...  
WO/2018/190114A1
A dynamo-electric machine (10), provided with a rotor (22) and a stator (23) obtained by winding stator windings (11, 12) in a plurality of slots (34) provided in the circumferential direction. The stator windings are configured from n g...  
WO/2018/188021A1
A method and system for controlling a torque motor. The method comprises: acquiring a given three-phase alternating-current voltage and a given frequency that a torque motor requires at the current time; acquiring the current direct-curr...  
WO/2018/188021A9
A method and system for controlling a torque motor. The method comprises: acquiring a given three-phase alternating-current voltage and a given frequency that a torque motor requires at the current time; acquiring the current direct-curr...  
WO/2018/187346A1
A drive circuit for an electric pump motor is provided. The drive circuit includes an inverter and a contactor. The inverter is configured to supply variable frequency current to the electric motor. The contactor is configured to supply ...  
WO/2018/180360A1
The motor (10) according to an embodiment is provided with a first inverter (110) connected to one end of the winding of each phase and a second inverter (140) connected to the other end of the winding of each phase. The first inverter (...  
WO/2018/180237A1
This power conversion apparatus is provided with: a first inverter; a second inverter; and a switching circuit that has a first switch element and a second switch element, wherein, in a state where potentials at a first node on the high ...  
WO/2018/173561A1
Provided is a vehicle control device with which it is possible, in a redundant configuration, to utilize a normal operation part in a system in which a failure has occurred. A vehicle control device having a redundant configuration, wher...  
WO/2018/172606A1
An electric drive comprises a bearingless electric machine (103), a converter (116), and a control device (101). The stator of the electric machine has a cage winding (106) comprising bars connected to a conductor ring. The control devic...  
WO/2018/173469A1
A motor system has a first solid-state relay and a second solid-state relay that are disposed sequentially from an inverter toward an in-vehicle battery and are connected in series between the inverter and the in-vehicle battery, said in...  
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...  
WO/2018/173424A1
A power conversion device that comprises: a first inverter that is connected to ends of a first coil group; a second inverter that is connected to ends of a second coil group; a separation relay circuit that is connected to other ends of...  
WO/2018/173425A1
A power conversion device that comprises: a first inverter that is connected to ends of m coil groups (m being an integer that is at least 3); a second inverter that is connected to other ends of the m coil groups; m-1 separation relay c...  
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...  

Matches 1 - 50 out of 12,724