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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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WO/2022/257952A1 |
An electronic device (10) and a variable frequency control system using the electronic device (10). The electronic device may comprise: a shielding layer (102), which is inserted between a current outflow terminal (201) of a switching de...
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WO/2022/257258A1 |
Provided is a predicted current increment control method suitable for high-speed zone operation of a permanent magnet synchronous motor. The method comprises: substituting a relational expression of the stator voltage in a control period...
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WO/2022/259459A1 |
This drive device comprises: a transformer; a power converter; and a control device. The transformer comprises a primary winding and a secondary winding. A winding of an electric motor is connected to the secondary winding. The power con...
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WO/2022/259624A1 |
According to the present invention, an inverter control device selects either a synchronous pulse control mode or a non-synchronous pulse control mode and performs pulse width modulation. In the synchronous pulse control mode, the invert...
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WO/2022/247127A1 |
A direct torque field weakening control method and apparatus, a storage medium and an electronic device, the method comprising: determining the running state of a current motor, the running state comprising forward rotation and reverse r...
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WO/2022/243203A1 |
Electric drive arrangement (1) for a motor vehicle, comprising a DC voltage source (2), a voltage converter (3) with a switching arrangement (4) and an electric machine (5), wherein the DC voltage source (2) is connected or can be connec...
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WO/2022/242115A1 |
The present application relates to the technical field of motor controllers of electric vehicles, and discloses a motor controller power module and an electric vehicle. The power module comprises: a drive and control integrated circuit b...
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WO/2022/241499A1 |
The invention relates to an injection moulding machine (1) comprising: an electric machine (2); multiple switching units (8) electrically connected in parallel, wherein each switching unit (8) has at least one electrical output (9) and a...
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WO/2022/242794A1 |
The invention relates to a controller (15) for actuating a redundant actuator (20) comprising two sub-actuators, in particular of a motor with two separate windings, comprising a first actuator connection (21) which comprises multiple fi...
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WO/2022/242177A1 |
Disclosed in embodiments of the present application are a control method and apparatus for a multi-unit motor, and a medium and an electronic device. The method is applied to a motor system. The motor system comprises a first unit motor ...
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WO/2022/244343A1 |
This motor control device controls the driving of an AC motor that is connected to a power converter which carries out power conversion from DC power into AC power and that outputs via a speed reducer a rotation drive force which is gene...
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WO/2022/240986A1 |
A system is provided that includes multiple motors, each respective motor comprising three phases; a voltage source inverter circuit comprising multiple respective inverter legs; each respective inverter leg coupled to drive at least one...
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WO/2022/239098A1 |
Provided is a rotary electrical machine control device for controlling a rotary electrical machine by using a plurality of computational processing devices, said control device being capable of determining an abnormality in a computing u...
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WO/2022/237131A1 |
The present invention relates to an angle compensation method and system for a permanent magnet synchronous motor controller. Firstly, a compensation time is obtained by subtracting a sampling time from a time of a PWM half cycle; then, ...
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WO/2022/239307A1 |
A power conversion device according to the present invention comprises a power converter that outputs, to a motor, a signal that makes the output frequency, output voltage, and output current of the motor variable, and a control unit tha...
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WO/2022/241283A1 |
The present directed to a cordless power tool system including a plurality of cordless power tools, a plurality of fixed voltage and multi-voltage battery packs and a plurality of battery pack chargers. The battery packs include circuitr...
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WO/2022/237829A1 |
Provided is a motor control method, comprising: according to a voltage vector under a rotor dq coordinate system and a feedback current vector under the rotor dq coordinate system, using a rotor position estimation algorithm for a discre...
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WO/2022/236424A1 |
Disclosed is a series mode modulation configuration and a parallel voltage equivalent modulation configuration. In the series mode modulation configuration a unipolar modulation is utilized. Unipolar modulation utilizes a zero vector and...
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WO/2022/235202A1 |
An electrical power and energy storage system (1) for a wind turbine installation vessel including: a Jacking VFD DC Bus (102); a Thruster VFD DC Bus (107) connected to the Jacking VFD DC Bus; at least one energy storage module (3, 402) ...
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WO/2022/235201A1 |
An electrical power and energy storage system (1) for a wind turbine installation vessel including: a DC Bus (102); at least one energy storage module (3) connected to the DC Bus; and at least one motor module (2) connected to the DC Bus...
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WO/2022/234717A1 |
Provided is an open winding motor/inverter system with which it is possible to reduce introduction costs and to reduce the system size. The open winding motor/inverter system is provided with an open winding motor 60 having mutually inde...
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WO/2022/228703A1 |
Proposed is a method for ascertaining, in particular contactlessly ascertaining, an operating state of a compressor (1) and/or a speed of a compressor drive (2), in particular a variable-speed or constant-speed compressor drive (2), the ...
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WO/2022/231973A1 |
Systems and methods described herein provide for controlling a conduction angle applied to a motor, such as a power tool motor. Operations for controlling the conduction angle includes receiving by a motor controller, a desired speed sig...
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WO/2022/228656A1 |
Proposed is a method for ascertaining, in particular contactlessly ascertaining, an operating state of a compressor (1) and/or a speed of a compressor drive (2), in particular a variable-speed or constant-speed compressor drive (2), the ...
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WO/2022/230098A1 |
This multilayer circuit board is formed by alternately laminating conductive layers and insulating layers, a power unit for applying current to an inverter circuit on which a switch element is mounted and a control calculation unit on wh...
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WO/2022/224222A1 |
The technologies described and recited herein pertain to a permanent magnet motor having multiple voltage taps so that the motor may run in multiple configurations, e.g., a low-range and a high-range, and have multiple optimal operating ...
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WO/2022/223201A1 |
In order to optimize an opening and closing movement while at the same time protecting resources of personnel and material, the invention provides an operating method for a building or boundary closure drive device (34) for moving, by me...
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WO/2022/222711A1 |
An electric motor controller safety state switching circuit, comprising: a waveform conversion circuit (100), which receives an initial waveform frequency signal outputted by an electric motor, and converts the initial waveform frequency...
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WO/2022/226089A1 |
An induction motor assembly includes an induction motor, and one or more switches coupled to selectively inhibit the supply of power from a power source to at least one of a main winding and an auxiliary winding of the motor. A control c...
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WO/2022/225031A1 |
This motor driving system 1 comprises: a first inverter 10 that is connected to one end 41 of an open-ended winding of a three-phase motor 40, and to which input voltage from a single-phase AC power supply 50 that is rectified to rectifi...
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WO/2022/224391A1 |
An abnormality diagnosis device (100) for assessing at least one abnormality from among an abnormality in an electric motor (15) driven by an inverter (81) driven at a preset driving frequency and an abnormality in a power transmission m...
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WO/2022/218627A1 |
The present disclosure relates to an inverter circuit (10) for an electrical AC motor (32) comprising a primary energy storage device (10), a plurality of switching stages (14), a drive control circuit (16) and an emergency control circu...
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WO/2022/217858A1 |
Provided in the present application are an electric motor control method, an electric motor, and a readable storage medium. The electric motor control method comprises: determining, in the current control cycle, a first theoretical secto...
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WO/2022/218266A1 |
Provided in the present application are a controller, an air conditioner and a high-voltage protection circuit. The controller comprises a first rectifier unit, a power source conversion unit, an HPS wiring terminal, a low-voltage contro...
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WO/2022/215439A1 |
A power conversion device (10) is provided with a power converter (30) that converts direct-current power supplied from a battery (20) into alternating-current power through switching control, and supplies the alternating-current power f...
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WO/2022/208911A1 |
The power conversion device converts DC power into n-phase AC power. The power conversion device, when a first voltage and a second voltage lower than the first voltage are applied thereto, outputs an n-phase output voltage on the basis ...
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WO/2022/208932A1 |
The present invention generates three-phase AC current continuously, when a prohibition potential is a high potential or a low potential. In this inverter, during an emergency operation, a control circuit changes the potential of a limit...
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WO/2022/210404A1 |
Provided is a motor control device for power-converting input power supplied from a power supply into output AC power of predetermined voltage and frequency. The motor control device comprises an inverter circuit for supplying the output...
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WO/2022/209315A1 |
This rotating electrical machine control device causes a control scheme to be shifted to synchronous five-pulse control if an operating point has surpassed a second boundary K22 from a state of ongoing execution of asynchronous pulse wid...
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WO/2022/202304A1 |
A motor control device (10) comprises: a DC/DC converter (30) that steps up or steps down a voltage (Vdc) of a direct current power source (16) and performs charging, while controlling an inrush current to a smoothing capacitor (46); a m...
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WO/2022/199957A1 |
Electronic component (35) for controlling an inverter/rectifier (20) able to be electrically connected to the electrical stator winding (10) of a rotating electric machine (7), this rotating electric machine (7) having a permanent-magnet...
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WO/2022/193213A1 |
ADAPTIVE LOGIC BOARD FOR VARIABLE SPEED DRIVE An adaptive logic board (100) for a variable speed drive (52), VSD, of a heating, ventilation, air conditioning, and refrigeration, HVAC&R, system includes a signal sensing circuit (154) conf...
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WO/2022/197742A1 |
A method of controlling an electric motor includes receiving a duty cycle for the electric motor for delivering a target torque from the electric motor, generating a pulse train, and pulsing the electric motor with the generated pulse tr...
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WO/2022/193574A1 |
A control apparatus and a laundry treating apparatus. The control apparatus is used for controlling a motor (900). The control apparatus comprises at least two buses (100), a first control component (202), and at least two capacitors (30...
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WO/2022/196007A1 |
This power conversion device comprises: an inverter circuit that converts DC power supplied to a DC terminal to AC power and supplies the AC power to an AC machine, and that converts regenerative power produced by the AC machine to DC po...
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