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WO/2022/187714A1 |
A stator defines multiple stator poles with associated stator windings. A rotor defines multiple rotor poles with associated rotor windings configured to be energized substantially by the stator. The rotor defines a rotor field energizab...
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WO/2022/186200A1 |
A driver that supplies drive power to a motor that comprises: an extraction unit that extracts some of the power supplied from outside; and a supply unit that supplies power extracted by the extraction unit, to an external device. The dr...
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WO/2022/179980A1 |
Disclosed is a converter (2) designed to be connected to an n-phase electric motor (4), wherein according to at least one operating parameter of the electric motor (4) or in order to set an operating mode of the electric mode (4), the at...
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WO/2022/180366A1 |
A method is described for determining an initial position of a rotor of a brushless motor. The method comprises determining a rise time difference for each of three different pairs of voltage vectors, and determining the initial position...
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WO/2022/180746A1 |
This electric motor drive device (200) comprises a boost circuit (3), an inverter (80), a connection switching device (60), and first and second control devices (8, 100). The boost circuit (3) boosts the voltage value of a bus voltage ap...
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WO/2022/179201A1 |
Provided are a voice coil electric motor (100), and a control method and control apparatus therefor. The voice coil electric motor (100) is composed of an inner coil module and an outer coil module, wherein the inner coil module is arran...
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WO/2022/175060A1 |
The invention relates to an electric machining device (10) comprising a housing (14), an output mechanism (122), an electric motor (12) for driving the output mechanism (122), and a switchover device (50). The electric motor (12) compris...
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WO/2022/176166A1 |
This motor control device controls a motor having the winding groups of two systems. The motor control device has a substrate (42) and sensors (71A, 71B) provided on the substrate (42) and configured so as to generate electrical signals ...
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WO/2022/175047A1 |
The invention relates to a switchover apparatus (50) for driving the windings (48) of an electric motor (12), wherein the electric motor (12) comprises a rotor (40) and a stator (42), wherein the stator (42) has three stator poles (44) a...
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WO/2022/175048A1 |
The invention relates to an electric motor (12) having a rotor (40) and a stator (42), wherein: the stator (42) has three stator poles (44), and each stator pole (44', 44'', 44''') has an integer multiple of stator teeth (46), each havin...
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WO/2022/176078A1 |
An electric motor drive device (2) is provided with: a connection switching device (60) for switching the connection states of windings (71, 72, 73) of a first electric motor by switching operations of switches (61, 62, 63); an inverter ...
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WO/2022/175059A1 |
The invention relates to an electric working device (10) comprising • a housing (14), • power electronics (36) for converting a first supply voltage (UH), in particular for mains operation, and at least one second supply voltage (UL)...
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WO/2022/172472A1 |
The present invention is a motor control device having a feedback system including a plurality of controllers to which a feedback signal related to the operation of a motor for a control shaft configured to bear a prescribed unbalanced l...
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WO/2022/166229A1 |
An iron core and magnetic circuit multiplexing redundant power driving system. A magnetic circuit multiplexed iron core of an iron core and magnetic circuit multiplexing electric motor can serve as a magnetic circuit multiplexing channel...
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WO/2022/168869A1 |
A control unit (1): determines that a contactor (9) is in open state on the basis of a voltage (Vdc) across a smoothing capacitor (4) and an electric current (Ib) flowing through a DC power source (6); when a rotational speed is greater ...
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WO/2022/168868A1 |
A control unit (1) of a rotary electric machine control system (100) determines: that an open failure has occurred in a first smoothing capacitor (41) if a difference between a first crest value (Ibpp1) of an electric current flowing thr...
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WO/2022/159227A1 |
Power based self-sensing of a rotor position of an SR motor at mid to high speeds and low torque is achieved by an SR motor control system by comparing the motor power to an injection maximum power. A position current pulse is injected t...
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WO/2022/153941A1 |
A motor control device (10) is provided with a first circuit (68), a second circuit (67), and a control unit (400). The first circuit (68) is a two-system power converter circuit for energizing a multi-phase motor (800) having two multi-...
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WO/2022/152885A1 |
The invention relates to a multipole motor stator (205), an electric motor (200), an electric motor driving system (100) and electric vehicles using multiple electric power sources (110, 120) that function at multiple voltage ranges. The...
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WO/2022/151609A1 |
The present invention relates to the technical field of power generation, power transformation, or power distribution, and disclosed in the present invention is a dual three-phase permanent magnet synchronous motor control method for alt...
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WO/2022/149956A1 |
The present invention relates to a motor capable of insulation diagnosis, a motor control circuit, and a method for diagnosing a motor using the motor control circuit, wherein the motor may comprise: a power supply; a voltage processing ...
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WO/2022/148849A1 |
The invention relates to a periodic electric motor, in particular a rotary periodic electric motor, comprising electrical switching means supplying each one of d poles with power only for a portion of a period. They absorb the current ac...
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WO/2022/144546A1 |
There is described a next-generation electronic magnetic gearing (eDTS) for an inverter drive for an electric vehicle including a primary firmware having an Al system to oversee all the operational aspects of the powertrain hardware and ...
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WO/2022/142310A1 |
A drive control circuit, a drive control method, a circuit board and an air conditioner. The drive control circuit is connected to a first power module and a second power module at two ends of an open-winding electric motor, the second p...
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WO/2022/134787A1 |
Provided is a stability control method for a permanent magnet assisted synchronous reluctance electric motor. On the basis of an original vector control method for a permanent magnet assisted synchronous reluctance electric motor, a volt...
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WO/2022/137612A1 |
A power conversion device comprising: a power converter for outputting a voltage that makes an output frequency variable to an induction motor; and a control unit for outputting a voltage command to the power converter, wherein the contr...
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WO/2022/133892A1 |
A permanent magnet synchronous motor MTPA control method and apparatus, a system and an electronic device. The method comprises: acquiring in real time a torque current setpoint output by a rotational speed regulator (S101); calculating ...
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WO/2022/137395A1 |
In the polyphase electric motor drive device of an embodiment, a first main circuit is connected to a first winding of a polyphase electric motor, and AC power is supplied to the first winding on the basis of a first pulse width modulati...
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WO/2022/139462A1 |
A linear transfer system and a control method therefor are disclosed. The control method for a linear transfer system according to the present invention comprises the steps of: having a rotor on a conveyor move by a first torque generate...
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WO/2022/140101A1 |
A system (102) and method for torque compensation in a switched reluctance (SR) machine (104) disposed on a machine (100) is disclosed. The system (102) may comprise a SR machine (104), an inverter (122) and a controller (124). The contr...
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WO/2022/136548A1 |
The invention relates to an electric rotary transformer (1) for transformer-based electric energy transmission. The rotary transformer (1) comprises a rotary transformer stator (3) which has a primary coil (2) and on which a transformer ...
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WO/2022/140102A1 |
A work machine (100) includes a frame (110), a traction system (120) supporting the frame (110), a power source (130) mounted on the frame (110), a switched reluctance motor (205), an inverter (220) configured to control power to the mot...
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WO/2022/131686A1 |
A motor control method according to an embodiment of the present invention comprises the steps of: in a brake mode of a motor, performing three-phase energization in a first range section of a motor rotation speed; performing two-phase e...
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WO/2022/126286A1 |
A polyphase linear induction motor including a movable primary member (100), the primary member (100) including a magnetic material (110), a polyphase winding (120) arranged around the magnetic material, and a stationary longitudinally-e...
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WO/2022/126287A1 |
A polyphase linear induction motor including a movable primary member (100), the primary member (100) including a magnetic material (110), a polyphase winding (120) arranged around the magnetic material, and a stationary longitudinally-e...
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WO/2022/128076A1 |
An arrangement (2) for electric power conversion and dual electric drive, a system comprising the arrangement (2), a method (12) of operating the arrangement (2), and a computer program for carrying out the method (12) are provided, whic...
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WO/2022/127167A1 |
Disclosed in the present invention is a method for suppressing low-speed noise of a single-resistor sampling permanent magnet synchronous motor, comprising the following steps: (1) determining the minimum sampling time Tmin according to ...
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WO/2022/120772A1 |
A magnetic field orientation correction method and apparatus for a permanent magnet synchronous motor, an electronic device, and a computer-readable storage medium. Said method comprises: calculating a first value of a power factor angle...
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WO/2022/124156A1 |
A rotation angle estimation device (40) comprises an estimation unit (52) that estimates the rotation angle (θest) of a rotation electrical machine (10). The rotation angle estimation device: calculates, on the basis of an estimated rot...
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WO/2022/117437A1 |
A linear resonance scanning apparatus (100) comprises an electromagnetic drive unit (132) comprising a coil (140) wound about a core (138), the electromagnetic drive unit (132) having a field output end (134). A linear motion bearing ass...
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WO/2022/117372A1 |
The disclosure relates to a converter (101) for driving an electric machine whose stator windings are changeable to be in a low-speed configuration or in a high-speed configuration having less series connected turns than the low-speed co...
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WO/2022/113732A1 |
This motor control device controls an AC motor by sensorless control that does not use a rotor position detector. This motor control device includes: an inverter that converts a direct current to an alternating current on the basis of a ...
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WO/2022/113930A1 |
A superconducting rotating machine comprising: a stator which includes a tubular stator core and a stator winding wound around the stator core and which generates a rotating magnetic field; a superconducting rotor which is held on the in...
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WO/2022/112713A1 |
The invention relates to an actuating device (12) of a fuel pump (20) for an aircraft engine (18), the actuating device (12) comprising a motor (24), a generator (26) and an electrical connection member (27), the motor (24) being an asyn...
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WO/2022/113550A1 |
A drive circuit (1) comprises three arms (10) connected in parallel to a first input terminal (61) and a second input terminal (62) of a power supply (6). Each of the three arms (10) is formed of a series circuit of a first semiconductor...
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WO/2022/110351A1 |
The embodiments of the present invention disclose a method for controlling overstroke of a linear motor, said method comprising: acquiring the maximum target acceleration value of the linear motor; acquiring a time domain threshold of th...
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WO/2022/110259A1 |
A vibration generation method and apparatus, a vibration control method and system, an electronic device, and a storage medium. The vibration generation method comprises: step S22, identifying an audio beat in an audio signal; step S24, ...
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WO/2022/110555A1 |
The present invention provides a method and apparatus for suppressing torque ripple of a permanent magnet synchronous motor. The method comprises: respectively performing proportional integral on a first quadrature-axis component and a f...
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WO/2022/107135A1 |
A method for controlling a synchronous motor that has a stator and a rotor, comprising: correcting the frequency, phase, and values of the motor's feeding voltages, as well as the value of its magnetic flux as a function of the angle bet...
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WO/2022/102146A1 |
In the motor drive device according to the present invention: in a first drive system, a first power supply circuit and a first central processing unit are arranged on a substrate in the stated order in a first direction; in a second dri...
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