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WO/2023/243751A1 |
The present disclosure relates to a motor driving device, and a vehicle having same. A motor driving device according to an embodiment of the present disclosure comprises: an inverter having a plurality of inverter switching elements; a ...
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WO/2023/243361A1 |
Provided is a work machine capable of controlling a connection switching unit at an appropriate timing. A computing unit 50 is capable of performing connection switching control for switching the coil connection scheme of a motor 340 fro...
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WO/2023/243389A1 |
This motor drive control device measures the performance affecting parameters of a motor while taking the currents of two-phase coils, although having a simple circuit configuration. A control circuit unit (4) of a motor drive control ...
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WO/2023/237086A1 |
An electric control apparatus and an electric control method. The electric control apparatus (10) is used for controlling an inverter (209), which is controlled by a pulse width modulation signal, to provide heating electric energy, whic...
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WO/2023/233683A1 |
The purpose of the present invention is to obtain a rotating machine control device capable of adjusting the on/off switching timing of a square wave voltage while preventing an increase in calculation amount. An inverter control unit ...
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WO/2023/233536A1 |
A motor drive device 100 comprises: an acquisition unit 41 that detects and acquires a multi-phase output current from an inverter 22 that includes a plurality of switching elements Ua, Ub, Va, Vb, Wa, Wb for driving a multi-phase AC mot...
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WO/2023/233682A1 |
Provided is an alternating current rotating electrical machine control device capable of suppressing a low frequency component, such as current, that occurs in a particular number of carrier signals. This alternating current rotating ele...
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WO/2023/228680A1 |
A control device (40) for a three-level inverter is applied to a system comprising: a first power storage unit (21) and a second power storage unit (22); a driving target (10); and a three-level inverter (30) having switches (SUH to SWL ...
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WO/2023/226562A1 |
Disclosed in the present application are a method and apparatus for controlling a charging and discharging circuit, and a device, a system, and a storage medium. The method comprises: sending charging and discharging enable signals, cont...
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WO/2023/226424A1 |
Disclosed in the present invention is a speed regulation system of a power tool. A power module of the speed regulation system is connected to an inverter, the inverter is electrically connected to a controller and a motor, and the contr...
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WO/2023/228271A1 |
A motor drive device (2) is provided with: an inverter (11) to which a battery voltage output from a battery (10) is applied and which inverts the battery voltage into an AC voltage and applies the inverted AC voltage to a single-phase m...
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WO/2023/223374A1 |
This power conversion device comprises: a voltage application means that converts DC voltage to AC voltage and that supplies the converted AC voltage to a three-phase motor; a current detection means for detecting current flowing through...
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WO/2023/221642A1 |
Provided in the present application are an electric-motor control apparatus, a driving apparatus, and an electric device. The electric-motor control apparatus comprises a box body, wherein an electric-motor inverter, a heating power modu...
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WO/2023/223631A1 |
This motor control device comprises temperature detection elements (45a, 46a) that are mounted on a circuit substrate (70) on which a first power conversion circuit (42a) and a second power conversion circuit (42B) are mounted, and that ...
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WO/2023/223840A1 |
This electric drive device causes vehicles (10, 300, 400) to travel and comprises drive units (20, 20R, 20L) for rotating the drive wheels (12, 12R, 12L, 330, 410, 420) of the vehicles. The drive units have: a plurality of system devices...
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WO/2023/223630A1 |
This motor control device comprises: an abnormality determination unit (51) which determines whether a temperature detection circuit is abnormal; a first temperature estimation unit (52) which, when the temperature detection circuit has ...
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WO/2023/221386A1 |
The present invention aims to reduce the requirement of a variable-frequency drive system for the withstand voltage of a single power unit, and also aims to avoid the shutdown of the variable-frequency drive system caused by the damage o...
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WO/2023/221641A1 |
The present application provides a motor control apparatus, a driving apparatus, and an electric device. The motor control apparatus comprises a box body; a motor inverter and a heating power module are accommodated in the box body; a ho...
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WO/2023/218676A1 |
A control device (100) for a rotating electric machine(1) comprises: a reference current command generation unit (110) that generates d-axis and q-axis reference current command values on the basis of a torque command value and a rotatio...
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WO/2023/217698A1 |
The invention relates to an electric motor unit (1), in particular a permanent magnet synchronous machine, comprising a rotor (10) and a stator (20), a control unit (30), a plurality of coil units (22), a plurality of switch units (24) a...
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WO/2023/214453A1 |
In the present invention, a drive device (100) comprises: a boost converter (3); an inverter (4); a connection switching device (20) that alternatingly switches the windings of an electric motor (1) between a Y connection and a ∆ conne...
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WO/2023/209791A1 |
This rotating machine control device (1) comprises a switching command generation unit (2) for causing an electric power converter (3) to convert a DC voltage to an AC voltage and apply said voltage to a rotating machine (5), and command...
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WO/2023/203027A1 |
Device (2) for operating an electromotive axle drive unit (4), having an inverter (6) for supplying high-voltage power to an electric motor (8) of the electromotive axle drive unit (4), wherein the inverter (6) has a first pole (10) and ...
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WO/2023/201425A1 |
There is described a power circuit for powering phases of an X-phase electric circuit. The X- phase electric circuit having a given number X of phases. The power circuit generally has: a recharge module; and a plurality of capacitor circ...
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WO/2023/205513A1 |
Embodiments of the disclosure provide an electric drive motor system that includes a stationary-side and a rotating-side. The stationary-side includes an only-stationary-side (OSS) compensation network. A first OSS compensation element o...
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WO/2023/202848A1 |
A spinning electromotive assembly comprises a rotor (11), which is rotatably supported by a stator (12) and comprises motor coils (13). A control unit is operable to synchronously reverse the polarity of the motor coils (13). An optical ...
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WO/2023/205514A1 |
Embodiments of the disclosure provide an electric drive motor system that includes a stationary-side, a rotating-side, and a stationary-side sensor system operable to detect current on the stationary-side and send current-based sensor re...
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WO/2023/201659A1 |
A battery heating system, a control method and apparatus therefor, and an electronic device. The battery heating system comprises an inverter (P2) and an electric motor winding (P3), wherein the inverter (P2) is respectively connected to...
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WO/2023/199563A1 |
This power conversion device has a control unit that controls the output frequency, output voltage, and output current of a motor. The control unit calculates a first torque current command from the deviation between the speed command va...
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WO/2023/198336A1 |
The invention relates to the process of producing actuation pulses for a pulse-width-modulated actuation process. Instead of centered pulses, pulses are produced which are shifted to the edge of a pulse period. In this manner, the requir...
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WO/2023/197802A1 |
Provided are a bootstrap driving circuit, an electric-motor controller, a compressor, and a vehicle. The bootstrap driving circuit (100) comprises a bootstrap unit (110), a negative voltage unit (120), a driving unit (130), and a voltage...
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WO/2023/195502A1 |
The purpose of the present invention is to improve the usage efficiency of regenerative energy. An electric actuator of one embodiment of the present invention comprises: an electric motor that repeats forward rotation and reverse rotati...
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WO/2023/195172A1 |
A motor control device comprising: a current control unit that calculates a voltage command with respect to the d axis and the q axis of a motor per each specified calculation cycle; a carrier wave generation unit that generates carrier ...
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WO/2023/195276A1 |
In order to perform regenerative braking in a manner that complies more with the intent of an occupant, the motor control device according to an embodiment comprises: an inverter that causes a motor of an electrically assisted vehicle to...
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WO/2023/195501A1 |
The present invention improves the power efficiency of a device equipped with an electric motor. A vibration test device according to one embodiment of the present invention is provided with a vibration table on which an object to be e...
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WO/2023/190174A1 |
The motor control device according to one embodiment of the present disclosure comprises an inverter circuit, a section determination unit, and a conduction control unit and controls a motor by a 120-degree energization method or a 180-d...
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WO/2023/188123A1 |
Provided is a motor control device capable of driving, with high power efficiency, a drive motor to which a plurality of inverters are connected. This motor control device controls driving of a first inverter and a second inverter whereb...
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WO/2023/188178A1 |
A control unit of the power conversion device of the present disclosure makes a first carrier wave signal and a second carrier wave signal different from each other when an AC rotating machine is in a power running operation state, makes...
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WO/2023/190787A1 |
An electric power converting device (10) according to one aspect of the present invention comprises a first three-phase full-bridge circuit (11) connected to one end of each of three-phase coils of an open winding type three-phase motor ...
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WO/2023/190173A1 |
A motor control device according to one aspect of the present disclosure comprises an inverter circuit, a conduction control unit, and a determination unit. The inverter circuit has an upper arm and a lower arm for each of three phases. ...
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WO/2023/181181A1 |
A motor drive device (2) comprises: an inverter (11) to which a battery voltage output from a battery (10) is applied; and a voltage detector (21) which detects a motor induced voltage induced in a single-phase motor (12). The inverter (...
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WO/2023/181182A1 |
A motor drive device (2) comprises: an inverter (11) which applies an AC voltage converted using a DC voltage to a single-phase motor (12); and a voltage detector (21) which detects a motor induced voltage induced in the single-phase mot...
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WO/2023/183171A1 |
An electric machine is provided. A power converter is coupled between a power supply and a wound field synchronous machine. The power converter is arranged to provide a pulsed operation by providing a pulsed DC current to field windings ...
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WO/2023/182303A1 |
A motor drive device (10) comprises: a reference pulse generation circuit (50) that generates a reference pulse signal; a current detection unit that outputs a current signal corresponding to the motor current; a reference waveform gener...
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WO/2023/178403A1 |
The present invention provides a method for continuous adjustment of the power factor in an induction motor driven by a frequency inverter with escalar or vetorial control, by the use of a system for advanced saving energy, comprising a ...
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WO/2023/182111A1 |
Disclosed is a drive device for winding-field-type rotary electrical machines, said drive device comprising: a first switching element between one end of a rotor winding and a high-potential-side line of a power source; a second switchin...
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WO/2023/181306A1 |
This inverter device comprises a switching circuit that is connected to a motor having a plurality of phase windings, and a controller that controls the switching circuit. The switching circuit includes a plurality of series circuits of ...
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WO/2023/181372A1 |
This power conversion system includes: a first inverter connected between a first storage battery and an electric motor; a second inverter connected between a second storage battery and the electric motor; and a control unit that control...
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WO/2023/175832A1 |
In a scene in which a plurality of surrounding environments and vehicle states are overlapped, provided is a motor control device in which both low loss and low NV can be appropriately achieved. The motor control device performs PWM cont...
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WO/2023/173601A1 |
Provided are a discrete space vector modulation-based permanent-magnet synchronous motor predicted torque control method, system and apparatus, and a computer readable storage medium. The method comprises: first selecting a target small ...
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