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WO/2023/037590A1 |
According to the present invention, a motor drive device: comprises a power transformation circuit that transforms direct-current power to alternating-current power; and drives a motor by controlling the pulse width of an output voltage ...
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WO/2023/029788A1 |
A multi-phase permanent magnet rotor motor comprises a plurality of phase coil windings with each phase coil winding having two free ends and the plurality of phase coil windings being without a common node. A controller is provided comp...
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WO/2023/033777A1 |
The invention relates to electrical engineering and can be used in devices for supplying power to asynchronous motors from dc power supplies. In the claimed circuit arrangement, an oscillating circuit is formed for each stator winding in...
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WO/2023/030387A1 |
Provided is a method for suppressing 24th-order noise of an electric motor on the basis of harmonic current injection. The method comprises: converting a three-phase current of an electric motor, which is collected by a three-phase curre...
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WO/2023/028504A1 |
The subject matter of this specification can be embodied in, among other things, a torque motor monitoring system that includes a first observer module configured to receive a first collection of operational information about a torque mo...
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WO/2023/024918A1 |
Provided are an electric motor control method and an electric vehicle. The electric motor control method comprises: in the mode where an electric motor outputs a torque, a torque-current instruction calculation module converting a torque...
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WO/2023/026351A1 |
A control device (100) comprises: a current detector (4) for detecting stator currents flowing between a voltage applier (3) and the stator windings of a rotating machine (2); a controller (5) for calculating, on the basis of the stator ...
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WO/2023/023991A1 |
Provided are a control method, system and apparatus for an electric motor, and an electric vehicle. The method comprises: acquiring the input power and output power of an electric motor (201); performing calculation according to the inpu...
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WO/2023/026273A1 |
Circuitry for efficiently operating a three-phase AC motor having three coils, each of which implementing a corresponding phase, comprising four half-bridge inverters having a common bus voltage, for controlling the level and the phase o...
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WO/2023/020716A1 |
A drive unit for driving a load, like a centrifugal compressor, a pump, or the like, comprising a driving shaft, is connected to the load to be driven. The drive unit comprises a plurality of electric motors connected to the driving shaf...
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WO/2023/021156A1 |
The invention relates to a circuit arrangement (4) for supplying electric power to a primary consumer (M) by way of a first operating AC voltage (uP1), having a control device (8) and at least one first inverter (9) that has a first prim...
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WO/2023/017336A1 |
A method of controlling an electric motor to optimize system efficiency of an electric motor operable in a pulsed mode and a continuous mode is disclosed herein. The method includes receiving a requested torque for the electric motor, ca...
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WO/2023/018672A1 |
An ultra-wideband electromagnetic source includes a voltage source and a pulser assembly electrically coupled to the voltage source. The pulser assembly includes a bipolar vector inversion generator (VIG) assembly, a peaking gap assembly...
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WO/2023/015877A1 |
Provided are a motor controller provided with a gear selection circuit and a BLDC motor, said motor controller comprising a gear selection circuit, a micro control unit (MCU), and an inverter circuit. Each gear signal M is split into two...
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WO/2023/011920A1 |
The invention relates to a method (100) for controlling a three-phase inverter, which comprises: providing (103) a table of precomputed switching angles for a plurality of reference voltage vectors (Vref), so as to minimise a predetermin...
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WO/2023/004472A1 |
A cable winch (100) for deploying and retracting a cable (50) during the installation of powerline cables on transmission towers. The cable winch (100) includes a base frame (102), a spool (110), a drive system (120), a sensor system (20...
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WO/2023/007887A1 |
The purpose of the present invention is to provide a calculation program, a calculation method, and a three-phase motor system which can appropriately detect, even with one shunt resistance, the current flowing in each phase of a three-p...
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WO/2023/006272A1 |
A system includes a controller for a DC to AC inverter including a processor configured to execute instructions to perform operations including: generating a first pulse for a first phase of a center-aligned PWM signal to alternately act...
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WO/2023/006414A1 |
An electric drive system (1A-1D) comprises an electric motor (10; 10A, 10B) having a rotor (100) and a plurality of lanes (101A-101D) which are electrically isolated from one another and to which electric current can be applied independe...
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WO/2023/002937A1 |
Provided is a compact, inexpensive inverter device that is capable of suppressing common mode noise while ensuring a wide operation range. The inverter device 1 comprises: an inverter circuit 28 that applies, to a motor 8, phase voltage ...
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WO/2023/001026A1 |
The embodiments of the present application relate to the technical field of charging. Disclosed are a driving assembly and a control method therefor, by means of which electromagnetic interference can be reduced, thereby reducing the imp...
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WO/2023/000984A1 |
Disclosed herein are a hub motor control system, a control method, a tire, and a driving device. The control system comprises at least two motor control units, a protection control unit, and multiple sub-unit motors. Each motor control u...
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WO/2023/002936A1 |
Provided is an inverter device capable of driving a motor within a wide operation range while realizing cancelation of common mode noise as much as possible by offsetting a change in a phase voltage by changes in other phase voltages. A ...
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WO/2023/286233A1 |
This control device (14) controls a switching element (SW1) which is connected to a conductor (20) and switches the conductor (20) between conducting and non-conducting states by means of a switching action. The control device (14) inclu...
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WO/2023/286122A1 |
A propulsion control device (100) comprises a control unit (10) for performing mode switching control and power consumption control, wherein: said mode switching control switches between an asynchronous mode and a synchronous mode on the...
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WO/2023/284785A1 |
A battery pack heating method, a motor controller, an electric vehicle, and a system, capable of improving the heating efficiency of a battery pack (120). The motor controller (130) comprises a controller (132) and an inverter circuit (1...
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WO/2023/284665A1 |
The present application discloses a motor control method, apparatus and system. The method comprises: generating first control quantity by using voltage control quantity and feedforward compensation quantity; determining an amplitude of ...
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WO/2023/285061A1 |
The invention relates to a drive system with a drive which is supplied by a converter and to a method for operating a drive system. The drive has an electric motor and additional drive components, and an electronic assembly with a storag...
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WO/2023/279196A1 |
A dynamically-reconfigurable power converter includes a controller circuit and switching circuitry. The switching circuitry includes a first set of nodes electrically connectable to terminals of an energy storage device, a second set of ...
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WO/2023/279762A1 |
Provided are a battery state testing method, a vehicle device and a computer-readable storage medium. A voltage phase shift between battery cells is calculated by means of controlling an inverter (200) to generate a ripple current on a b...
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WO/2023/281285A1 |
Characteristic coordinates used in this motor control method use the rotational speed of a motor and the torque of the motor as axes and include: a first region indicating a region in which the rotational speed is higher than a first pre...
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WO/2023/281984A1 |
An inverter control device (23) is applied to a vehicle (10) provided with: a rotating electrical machine (21) which is an in-wheel motor provided integrally to a drive wheel (11) and which comprises a rotor (60) that has a magnet part w...
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WO/2023/281534A1 |
Disclosed herein is a stator structure (100) to house a three-phase winding (300) for an induction motor with outer rotor structure for use in low-power applications, in particular, a ceiling fan. The said winding (300) with the proposed...
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WO/2023/282133A1 |
A motor drive control device (10) comprises a first current sense unit (105) provided between an intermediate-potential end and a semiconductor switch group. A control circuit (104) recovers phase current information of a three-phase mot...
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WO/2023/279747A1 |
Provided are an electric motor controller and an electric motor using same. The electric motor controller comprises a power supply circuit, a micro control unit (MCU), an inverter circuit and a driving circuit, wherein the power supply c...
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WO/2023/278369A1 |
A motor controller integrated circuit (IC) includes a storage device (120) containing software, and a processor core (110). The processor core (110) has an output adapted to be coupled to a motor (M). The processor core (110) is configur...
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WO/2023/276593A1 |
A control device (10) comprises a control unit (S5) that controls a three-phase brushless motor (M). The control unit (S5) performs drive control to rotate a rotor to a target stopping position (TP) which is a target for stopping the rot...
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WO/2023/276368A1 |
Provided are: a motor device that makes it possible to reduce the number of switches while individually controlling each of the phases of a switched reluctance motor comprising one rotor and two systems of three-phase windings; and a met...
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WO/2023/276265A1 |
This inverter control device is provided to an inverter that supplies a motor with power converted from DC to three-phase AC by using a switching circuit. The inverter comprises an ammeter that acquires current of each phase of the three...
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WO/2023/273847A1 |
Disclosed in the present invention is an input voltage control method, comprising: a power supply, and a first rectifier circuit and a second rectifier circuit that are connected in parallel between positive and negative electrodes of th...
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WO/2023/273550A1 |
Provided are a busbar (202) current control method, apparatus and system, and a storage medium. The control method comprises the following steps: acquiring a data set, the data set comprising the rotational speed, actual current, and act...
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WO/2022/269829A1 |
[Problem] To make it possible to extend the range of a passenger vehicle. [Solution] A motor drive circuit including a battery module and a DC-DC converter, said motor drive circuit characterized in that: the battery module includes a pl...
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WO/2022/268591A1 |
The invention relates to a control device for controlling an electric motor (5) of a motor vehicle steering system (1), comprising a power supply path (12) for supplying the control device (10) with electric current from a voltage source...
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WO/2022/270268A1 |
This control device is applied to a system comprising a rotating electrical machine (20) including a rotor (22) and a stator winding (21), an electricity storage unit (31), and an inverter (30) including higher and lower arm switches (SW...
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WO/2022/271854A1 |
A variable frequency drive motor system and method with a single variable frequency drive controller controlling multiple synchronous reluctance motors in an open-loop mode using volts-per-Hertz control. Each motor includes a rotor inclu...
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WO/2022/268513A1 |
The invention relates to a machine tool with a motor, wherein the motor comprises a rotor and a stator, and wherein the stator comprises a first winding and a second winding, wherein the windings are designed in such a manner that the wi...
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WO/2022/270269A1 |
A moving body control device comprises: a command calculation unit (55) that calculates a command value for a command rotation speed (Nm*) or a command torque (Trq*) of a rotating electrical machine (20); and a rotating electrical machin...
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WO/2022/269332A1 |
A system to power at least one alternating current (AC) source to a three-phase load is provided. The system includes a three-phase load, a DC power source configured to supply power to the system, one or more converters configured to ge...
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WO/2022/265986A1 |
An electric machine is provided. A polyphase machine is provided. A power inverter is electrically connected to the polyphase machine. A controller is electrically connected to the power inverter, wherein the controller provides switchin...
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WO/2022/264831A1 |
This driving device has: a bootstrap capacitor having a high-side switch element that is disposed on a side having high electric potential, a low-side switch element that is disposed on a side having low electric potential, a diode that ...
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