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WO/2021/015296A1 |
A motor drive system according to an embodiment includes an inverter and a control device. The inverter causes a current to flow through a winding of an induction motor. The control device drives the induction motor by controlling the in...
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WO/2021/014948A1 |
A motor control device capable of reducing noise is provided. A motor control device (100) is characterized by comprising: a control unit (20) that generates a respective PWM signal (U, V, W) for each phase (U, V, W) of a motor (4) havin...
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WO/2021/009285A1 |
The invention relates to a device and a method for open-open or closed-loop control of a movement of a die cushion of a die cushion press. The device has an control value encoder (11), a speed controller (12), a current controller (13) a...
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WO/2021/005873A1 |
This power conversion device 30 is provided with: a power conversion circuit 40 for converting primary side power to secondary side power and supplying the secondary side power to a pump 20; and a control circuit 100 for causing the seco...
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WO/2021/007199A1 |
A switched reluctance motor for an electric vehicle. The switched reluctance motor includes an inverter with switchable windings to control the inductance of the motor. The motor also includes a high speed and low speed mode correspondin...
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WO/2021/002445A1 |
This power converter (10, 11) comprise: a dynamo electric machine (30) having armature windings (31 to 33); a first inverter (20) that connects a first end of the armature winding and a first storage battery (100); a second inverter (40)...
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WO/2021/001966A1 |
An inverter device (1-1), provided with: an inverter circuit (3) for converting a DC voltage into an AC voltage; a phase current detection unit (5) for detecting the phase current of the inverter circuit (3); and an inverter control unit...
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WO/2020/259232A1 |
A magnetic bearing and a high-performance servo motor. The magnetic bearing comprises a housing, and is characterized by further comprising a fixed ring provided in the housing and a plurality of magnetic rollers provided circumferential...
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WO/2020/262269A1 |
According to the present invention, among control periods of an electric motor (M), which are formed of first to third periods, in the first period in which a peak of a first AC voltage (Vv) exists, a V-phase modulation wave (Vv*) accord...
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WO/2020/259104A1 |
The present application discloses a switch control device and method, a motor controller, and a battery pack heating control system, which relate to the field of battery power. The switch control device comprises: a processing module con...
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WO/2020/255988A1 |
This rotating electric machine control system 100 controls an AC rotating electric machine in which two N-phase coil sets (8) are disposed in the same stator core, the rotating electric machine control system being provided with: a first...
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WO/2020/256181A1 |
The present invention relates to a power conversion device, and a vehicle having same. A power conversion device and a vehicle having same according to an embodiment of the present invention comprise: a switching element; a gate driving ...
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WO/2020/255385A1 |
The present invention comprises: an inverter circuit (2) that converts a direct-current voltage output from a direct-current voltage power supply (1) into a sinusoidal pseudo alternating-current voltage, and outputs the voltage to a moto...
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WO/2020/250561A1 |
This three-phase AC motor drive device is provided with: a load; an inverter device 1 for driving the load; an MCOK_A_4 connected between the inverter device 1 and the load and electrically connecting or disconnecting the inverter device...
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WO/2020/251838A1 |
Apparatus and method for motor braking using selectively connectable resistance. The method includes controlling, using a motor controller of the power tool, a power switching network to drive a motor of the power tool in response to act...
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WO/2020/250483A1 |
This clutch engagement electric oil pump for an automobile transmission is provided with: a temperature sensor that measures the temperature of oil supplied to an oil supply destination relating to clutch engagement for the automobile tr...
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WO/2020/249329A1 |
The invention relates to a method for determining a rotor position of an electric rotating machine (10) which is fed by means of a PWM-controlled inverter (40). Specific injection voltages (uinj), which are composed of predefined voltage...
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WO/2020/250429A1 |
A power conversion device of one aspect of an embodiment comprises: a diode converter, an inverter, a smoothing capacitor, a resistor, a current sensor, an estimation unit, and a control unit. The diode converter rectifies the alternatin...
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WO/2020/246868A1 |
The present invention relates to the structure of an electronic control unit (ECU) in a brake system, in which an ECU board that constitutes redundancy is additionally arranged in a symmetrical or asymmetric structure and a plurality of ...
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WO/2020/244276A1 |
Provided in the present application is an electric motor control apparatus, comprising: a first drive module and a second drive module, which are used for driving different coils in a multi-phase coil of an electric motor respectively ac...
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WO/2020/246038A1 |
This motor drive device (100) comprises a converter circuit (3) that converts AC voltage outputted from an AC power supply (1) to DC voltage and outputs the resulting DC voltage to DC buses (16a, 16b), an inverter circuit (18) that conve...
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WO/2020/240686A1 |
A heat pump device (100) is provided with a compression mechanism (7) for compressing a refrigerant, a motor (8) for driving the compression mechanism (7), an inverter (9) for applying a voltage to the motor (8), and an inverter control ...
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WO/2020/241140A1 |
This electric work machine comprises an inverter circuit, a power-supply-side switching element, a power-supply-side resistor, at least one circuit-side resistor, and a fault assessment unit. The power-supply-side switching element is pr...
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WO/2020/239326A1 |
The invention relates to a system (1) comprising a control device (10) with central electronics (11) designed for the intended connection and operation of differently coded electric motors (En) with different motor characteristics (Mn) a...
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WO/2020/239260A1 |
The invention relates to a drive system and to a method for operating a drive system, having - an inverter, - an electric motor, - a first series circuit - a main module having a first accumulator, in particular a first capacitor, wherei...
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WO/2020/243549A1 |
A motor drive system and method for determining an optimized efficiency of the motor drive system are provided. The motor drive system includes a system controller, a motor drive having includes an inverter configured to generate the AC ...
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WO/2020/236162A1 |
An example of an apparatus may include an input connection to receive a pulse-width-modulated signal. The pulse-width-modulated signal may control a speed of a fan. An output connection may provide a tachometer signal to indicate the spe...
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WO/2020/234943A1 |
According to the present invention, a DC bus power supply (4), which is a power supply device, supplies power to a load capable of switching a state thereof between a driving state in which the load is driven by receiving power and a sta...
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WO/2020/230339A1 |
Provided is a rotating electrical machine control device with which it is possible to suppress an increase in the frequency of a switching frequency resulting from an estimating voltage command, while reducing a delay in estimating a pol...
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WO/2020/231512A1 |
A fast charging battery system and method for charging battery systems can be applied to most battery types in use for electric vehicles (EVs), electronic devices, and wireless electrical machines. The system could employ industry proven...
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WO/2020/225860A1 |
This heat pump device (100) is provided with: a compressor (1) that compresses a refrigerant; a motor (8) that drives the compressor (1); an inverter (9) that applies a desired voltage to the motor (8); and an inverter control unit (10) ...
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WO/2020/226156A1 |
The present invention provides a motor control device (40) for controlling the driving of a motor (10) having a coil (11), the motor control device (40) being provided with a drive circuit (41) and a control unit (50). The drive circuit ...
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WO/2020/226029A1 |
[Problem] To provide an inverter device with which it is possible to reduce a non-operating time by causing the internal temperature of an electrolytic capacitor to increase more rapidly, within a permissible range of ripple voltage. [So...
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WO/2020/225059A1 |
The invention relates to a method for measuring the dead time of circuit breakers in a motor output stage, wherein the motor output stage comprises at least one half bridge (14) having a high-side FET (12) and a low-side FET (13), wherei...
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WO/2020/222953A1 |
A motor control system for reducing or eliminating current ripple error during current sampling comprises a motor having a plurality of phase coils, a motor driver circuit having a plurality of switches coupled to the plurality of phase ...
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WO/2020/217626A1 |
The purpose of the present disclosure is to provide an electric tool capable of increasing the number of rotations of an electric motor. An electric tool (1) is provided with an AC motor (15) (electric motor), and a control unit (4). The...
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WO/2020/217853A1 |
An electric device is provided which can reduce risk of malfunction. This electric device is provided with a motor (32), an inverter circuit (30) which has switching elements (S1-S6) and which drives the motor (32), and a charge pump c...
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WO/2020/216548A1 |
The invention relates to an electric machine (10, 16) having a stator (4) and a rotor (14) which is arranged in a movable manner, wherein the stator (12) and/or the rotor (14) have/has an at least two-phase machine winding (26). The elec...
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WO/2020/219857A1 |
A motor drive system for an electrified vehicle includes a DC source, such as a battery, and an inverter, which includes one or more phase drivers, each configured to switch current from the DC source to generate AC power upon one or mor...
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WO/2020/217926A1 |
The present invention determines a failure phase of an AC current sensor without providing a DC current sensor. This control device controls a motor via an inverter circuit which supplies power converted from a direct current into a thre...
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WO/2020/217310A1 |
This electric motor control device includes: a power conversion device for supplying a three-phase voltage to two electric motors that are connected to each other in parallel; three-phase power lines for connecting one electric motor amo...
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WO/2020/217879A1 |
A machine learning device (10) is configured to carry out machine learning on the basis of a current command value and a current detection value detected by a current detection unit, or a voltage command value which are all included in t...
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WO/2020/219955A1 |
A motor assembly having an inverter with a plurality of transistor assemblies. Each of the transistor assemblies can include a surface mount MOSFET, a heat sink, and a solder material. The MOSFET has a plurality of blade terminals and a ...
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WO/2020/213285A1 |
[Problem] To provide a vehicle steering apparatus that makes it possible to easily attain a steering torque equivalent to a steering angle or the like independently of the state of a road surface and without being affected by changes in ...
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WO/2020/212058A1 |
The invention relates to a method for controlling a multi-phase electric machine (2), wherein: a stator (3) of the electric machine (2) comprises a first sub-system (4a) and a second sub-system (4b) having the same number of phases (Ph1a...
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WO/2020/213045A1 |
The purpose of the present invention is to obtain an inverter device that can increase the accuracy with which the current of a DC bus is detected, and suppress phase current ripple. An inverter control unit (7) included in this inverter...
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WO/2020/213124A1 |
This control device for a dynamo-electric machine controls, for individual phase windings of the dynamo-electric machine, the current used to electrify the phase windings by controlling an inverter that applies voltage to the phase windi...
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WO/2020/213664A1 |
Provided is a motor control device capable of high-precision speed control of an opening/closing body. A PWM control unit 58 has a two-phase complementary PWM control unit and performs PWM control of three-phase upper and lower switching...
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WO/2020/208980A1 |
A motor drive device, provided with: an inverter circuit for generating AC power to be fed to a servo motor; a positive-side electrical power line and a negative-side electrical power line for feeding DC electrical power from a DC power ...
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WO/2020/208829A1 |
The purpose of the present invention is to provide a power conversion device capable of suppressing the increase of current flowing through an electric motor even if a voltage command exceeds the amplitude of a carrier wave. In order t...
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