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WO/2023/080343A1 |
A power supply system of the present invention comprises: a low-voltage battery which is electrically connected to a vehicle chassis, and supplies power to a processor for controlling an electronic component of a vehicle; a high-voltage ...
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WO/2023/079960A1 |
A multiphase pre-driver circuit (40) of a motor drive device is operated by a voltage supplied from a battery (15), and drives a plurality of switching elements (61-66) of an inverter (60). A plurality of motor relays (71, 72, 73) consti...
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WO/2023/072866A1 |
In order to configure the converter (CON), a plurality of operating data sets (BD) of the converter is read in, the converter comprising: - an adjustable reference generator (RGEN) for generating a reference signal (RF) for an output sig...
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WO/2023/072141A1 |
A motor driving system, comprising: a plurality of bridge arms (11A, 11B, 11C), a motor (10), and a control module (12). The motor (10) comprises a plurality of windings, and the plurality of windings are in one-to-one correspondence wit...
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WO/2023/073880A1 |
A power conversion device (1) comprises: a rectifier unit (130) for rectifying a first AC power supplied from a commercial power supply (110); a capacitor (210) connected to the output end of the rectifier unit (130); an inverter (310) c...
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WO/2023/074238A1 |
Provided is a control system that sets the voltage of a DC bus connected to a secondary battery to the optimal value according to the capacity of the power supply and the characteristics of the secondary battery, and stabilizes the batte...
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WO/2023/074241A1 |
Provided is a power control device 4 for an electrical construction machine including a lower traveling body 101 capable of traveling on a ground surface, an upper swinging body 102 which is attached to the lower traveling body 101 in a ...
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WO/2023/073870A1 |
This power conversion device (1) comprises: a rectifier unit (130) that rectifies a first AC power supplied from a commercial power supply (110); a capacitor (210) connected to an output terminal of the rectifier unit (130); an inverter ...
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WO/2023/074240A1 |
Provided is a drive device 1 for an electric construction machine comprising a lower traveling body 101 capable of traveling on a ground surface, an upper turning body 102 attached to the lower traveling body 101 so as to be capable of t...
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WO/2023/068487A1 |
A motor control system capable of setting gain, according to one embodiment of the present invention, comprises: a motor control unit, which performs a PID operation so as to generate and output a pulse width modulation (PWM) signal; a m...
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WO/2023/065602A1 |
The present application discloses a power module and a motor controller. The power module comprises: an insulating substrate, the insulating substrate being provided with a first surface and a second surface that are oppositely disposed,...
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WO/2023/067724A1 |
A power conversion device (2) comprises a converter (10) for rectifying the power supply voltage applied from an AC power supply (1) and an inverter (30) connected to the output end of the converter (10), and supplies AC power to an elec...
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WO/2023/067774A1 |
This power conversion device (200) comprises: a rectifying unit (3) for rectifying a first AC power supplied from a commercial power supply (1); a smoothing capacitor (5) connected to the output ends of the rectifying unit (3); an invert...
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WO/2023/067828A1 |
The present invention reduces operation stop due to the sudden reduction of rotational speed. This motor device comprises: a motor that performs rotational drive; a drive signal generation unit that performs control so that a duty ratio ...
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WO/2023/068491A1 |
The washing machine for suppressing noise generated according to a change in operation mode of a motor and ensuring driving stability of the motor comprises: a drum; a pulsator; a motor including a stator, a first rotor connected to the ...
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WO/2023/067797A1 |
Provided are a control device for an AC rotary machine, a drive device for vehicles, and an electrically powered power steering device that can appropriately reduce a ripple component of a bus current, a ripple component of a winding cur...
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WO/2023/067811A1 |
This power conversion device (200) comprises: a rectifying unit (3) that rectifies first AC power supplied from a commercial power supply (1); a smoothing capacitor (5) that is connected to an output terminal of the rectifying unit (3); ...
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WO/2023/067697A1 |
A power conversion device (100) comprises: a rectifier (3) that is a converter for rectifying AC power supplied from an AC power supply (1); a smoothing unit (4) that is connected to the output end of the converter and smooths power outp...
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WO/2023/067798A1 |
This motor control device is connected to a power converter for converting power from direct current power to alternating current power, and controls the driving of a motor that is driven using the alternating current power. The motor co...
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WO/2023/067810A1 |
A power conversion device (200) comprises: a rectifier unit (3) for rectifying a first AC power supplied from a commercial power supply (1); a smoothing capacitor (5) connected to the output end of the rectifier unit (3); an inverter (30...
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WO/2023/067723A1 |
In the present invention, a power conversion device (2) comprises a converter (10), a capacitor (20), an inverter (30), and a controller (100) for controlling an operation of the inverter (30). The converter (10) rectifies a power supply...
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WO/2023/061010A1 |
The present application relates to a voltage driving circuit and system and a household appliance. The voltage driving circuit comprises: a diode; a thin film capacitor; a resonant circuit, configured to be connected to a three-phase pow...
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WO/2023/061854A1 |
The invention relates to an inverter for an electrical machine. The inverter has at least one semiconductor switch half bridge. The inverter also has a current sensor, which is designed to sense a phase current generated by the at least ...
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WO/2023/064226A1 |
A variety of methods, controllers, and electric machine systems are described that facilitate pulsed control of multiple electric machines (e.g., electric motors and generators) to improve the machine's energy conversion efficiency. Unde...
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WO/2023/060748A1 |
A prediction control method, apparatus and device for a three-phase permanent magnet synchronous electric motor, and a medium. The method comprises: acquiring six effective voltage vectors of a three-phase permanent magnet synchronous el...
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WO/2023/057192A1 |
The invention proposes a control device (10) for operating an electric motor (12), in particular of a steering system (14), comprising a power electronics system (16), comprising a primary driver unit (18) which is intended to actuate th...
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WO/2023/057940A1 |
The present invention relates to a method for controlling a three-phase electric machine (130) by means of a control unit (200) operatively connected to control means (140), to sensor means (150), and to an inverter (120) operatively con...
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WO/2023/058640A1 |
A motor control device (100) controls energization to a motor (80) having two three-phase winding sets (801, 802) configured so that mutual electrical angle phase difference becomes ± (φo + 120 × n)° (0 < φo ≤ 60°, n is an intege...
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WO/2023/056570A1 |
The disclosed invention is a brushless and exciter-free electric rotary machine comprising a stator (1) with at least one stator winding (3) and a rotor (2) with with plurality of rotor windings (6), reaching high efficiencies under wide...
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WO/2023/053490A1 |
This inverter control device comprises: a carrier wave generation unit for generating a carrier wave; a carrier wave frequency adjustment unit for adjusting the frequency of the carrier wave; and a PWM control unit for performing pulse w...
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WO/2023/047486A1 |
A power conversion device (2) comprises: a converter (10) that rectifies power-supply voltage applied from an AC power supply (1); a capacitor (20) that is connected to the output end of the converter (10); an inverter (30) that is conne...
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WO/2023/045344A1 |
The present application discloses a charging control method and a charging control apparatus (1), a multiple power source power supply device, and a storage medium. The charging control method is applied to the multiple power source powe...
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WO/2023/047364A1 |
There is provided an electric dynamic drive train for electric vehicles (EVs), the electric dynamic drive train including a high frequency direct current (DC)-DC converter and a DC-alternative current (AC) inverter. The high frequency DC...
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WO/2023/045556A1 |
A phase current acquisition method, apparatus, device and system and a storage medium. The phase current acquisition method comprises: obtaining equivalent electrical parameters of a transformer sampling and conditioning circuit, the tra...
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WO/2023/040730A1 |
The present invention relates to a motor control method. A motor is powered by a battery, and the heat loss generated by the motor is transferred to the battery via a heat transfer component to heat the battery. The motor control method ...
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WO/2023/041220A1 |
The invention relates to a device (100) and a method (400) for operating an electric machine (190). The device (100) comprises a power module (110) of an inverter (120). The power module (110) comprises a plurality of switching elements ...
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WO/2023/038760A1 |
Methods, systems, and devices for electric machine torque adjustment based on waveform integer multiples are disclosed herein. One electric machine controller arranged to direct pulsed operation of an electric machine includes utilizing ...
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WO/2023/037588A1 |
This synchronized motor control apparatus comprises: a torque command value conversion unit for converting a torque command value for the synchronized motor into a second torque command value that is gradually increased in a region inclu...
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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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