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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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WO/2023/176484A1 |
A motor drive system (10) comprises: a drive circuit including a direct-current power source (B), a motor (M1), a converter (12) that has a resonance circuit which resonates in a prescribed resonance frequency band, and that converts a v...
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WO/2023/169154A1 |
A motor control method and a motor control apparatus, a motor controller, and a storage medium. The method comprises: during a process of controlling a motor to run at a constant power, acquiring a feedback rotation speed of the motor (S...
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WO/2023/162860A1 |
In the present invention, a restriction range setting unit (26) sets a primary restriction range from a primary lower limit phase (L1) to a primary upper limit phase (U1) within a section from a minimum torque phase to a maximum torque p...
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WO/2023/162784A1 |
This voltage control device is for controlling output voltage by turning on/off a switching element by means of a control pulse. The voltage control device comprises: a modulation wave generation unit for generating a sine wave, based on...
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WO/2023/156347A1 |
The invention relates to a method for controlling a six-phase electric motor by a control system (10) of the automobile, comprising the steps of: - obtaining a modulation index and calculating six-phase duty cycle values with a sinusoida...
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WO/2023/157045A1 |
A power conversion device (200) comprises: a non-boosting rectifier circuit (210) that converts a first alternating-current voltage into a direct-current voltage; a reactor (220) that connects to the rectifier circuit (210); a capacitor ...
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WO/2023/157821A1 |
According to the present invention, the rotational speed of a motor is more reliably brought close to a target rotational speed. A motor drive control device (2) is characterized by comprising: a drive circuit (6) that applies, to a co...
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WO/2023/152277A1 |
The invention relates to a control arrangement of a six-phase electric machine divided into two three-phase windings, comprising two three-phase inverters, a respective one of which is provided for controlling one of the three-phase wind...
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WO/2023/152367A1 |
The invention relates to a method for operating an electric drive system for electrically driving a vehicle, the method comprising selecting, from a plurality of pulse width modulation patterns for operating the electric drive system and...
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WO/2023/147791A1 |
A magnetic levitation refrigeration compressor control system, the system comprising a machine control unit, an upper machine, a unit device, a magnetic levitation refrigeration compressor and a frequency converter. The magnetic levitati...
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WO/2023/148859A1 |
A conveyance system (1) has: at least two conveyance modules (100) comprising coil groups (102) and inverter units (103) for applying AC voltage to the coil groups (102); and at least one carriage (200) on which a magnet (202) receiving ...
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WO/2023/147965A1 |
The present invention relates to an electrical drive system for or in a motor-vehicle, having at least one multi-phase electric machine, which has a double rotor, wherein the double rotor is made from flux-guiding material made of solid ...
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WO/2023/146814A1 |
A method of operating a motor drive includes injecting a high frequency signal to determine position error information in order to automatically adjust the magnitude of stator current in I/F control. The method includes: determining a lo...
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WO/2023/142175A1 |
Provided in the present invention are a torque elevation method, apparatus and device for an electric motor, and a readable storage medium. The method comprises: acquiring a rotation speed feedback value of an electric motor, and accordi...
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WO/2023/146890A1 |
An electric power system for a vehicle includes one or more power conversion systems electrically connected in parallel for each phase of an electric motor of an electric drive system. Each power conversion system is electrically coupled...
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WO/2023/145598A1 |
Disclosed is a drive device for a field winding-type rotating electrical machine that drives a field winding-type rotating electrical machine in which a rotor winding is wound around a rotor core. The drive device comprises an electrical...
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WO/2023/145732A1 |
In the present invention, an electric machine system comprises an electric machine and a controller. The electric machine has a stator including a first winding set and a second winding set, and a rotor which includes a magnet and is cap...
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WO/2023/135309A1 |
An inverter for an electric motor comprises first, second, third, and fourth current sensors configured to generate signals indicative of first, second, fourth, and sixth phase currents flowing through first, second, fourth, and sixth ph...
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WO/2023/136237A1 |
This control device controls an N-phase inverter when N is an integer of 3 or more. The control device comprises: a lowpass filter; a current detection unit; and an average processing unit. The lowpass filter has a frequency characterist...
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WO/2023/134914A1 |
The invention relates to a method for controlling a drive system of a rail vehicle. The drive system comprises at least one DC voltage intermediate circuit with at least one intermediate circuit capacitor to which an intermediate circuit...
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WO/2023/136340A1 |
[Problem] To provide a power conversion device which is capable of linear switching between pulse width modulation which has a high noise suppression effect but in which the modulation factor is limited, and pulse width modulation which ...
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WO/2023/123783A1 |
Provided are multi-phase motor control method and apparatuses, and a readable storage medium. The method comprises: when a multi-phase motor has a phase loss fault, acquiring a current position of a rotor of the multi-phase motor; accord...
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WO/2023/123676A1 |
A single-resistor detection method, an electric motor control method, an electric motor controller, and an electric motor control system. The method comprises: acquiring a direct-current bus current that flows through a single sampling r...
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