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WO/2019/150945A1 |
[Problem] To provide an electric power steering device that, in a vector control method type electric power steering device, without tuning work, compensates for dead time of an inverter, attempts to improve distortion of a current wavef...
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WO/2019/150911A1 |
Provided are a power conversion device with which it is possible, when one of two inverters has become inoperable due to abnormality in a drive system, to allow the one side to function as a neutral point, a drive device, and a power ste...
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WO/2019/151308A1 |
This power conversion device is provided with: a first inverter connected to one end of a cable; a second inverter connected to the other end thereof; a first neutral point relay circuit which is connected to both a power supply terminal...
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WO/2019/151200A1 |
[Problem] To provide: a motor control device based on a vector control method, said motor control device improving the strain of a current waveform and enhancing responsiveness to current control by compensating for a dead time of an inv...
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WO/2019/146878A1 |
Embodiments relate to a motor simulator for an inverter under test (IUT), the motor simulator comprising: a voltage follower inverter for at least partially canceling an output voltage of the IUT; and an output current control unit for c...
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WO/2019/146311A1 |
The purpose of the present invention is to improve the performance of a motor control device. A slave device (90) is provided with an inverter (73) which drives a motor (74), and a control unit (10) which controls the motor (74) via the ...
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WO/2019/146037A1 |
This motor drive device (200) is provided with: a power supply generation unit (2) for converting power supplied from a commercial power supply (1) to a DC power; a motor drive control unit (7) capable of switching a modulation method fo...
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WO/2019/146020A1 |
This motor drive device (80) is connected to a motor (30) by means of a first connection line (41), a second connection line (42), and a third connection line (43) which respectively correspond to a first phase, a second phase and a thir...
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WO/2019/144205A1 |
The present invention relates to a power management system of a pure electric vehicle powered exclusively by batteries which allows the vehicle to carry a load of up to 13 tons, where the system of the present invention is provided with ...
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WO/2019/145068A1 |
The present invention relates to a method and device for operating a multi-phase electric machine. The method comprises the steps of: determining a working point; determining a provisional switching frequency for a pulse width modulation...
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WO/2019/142877A1 |
The present invention appropriately controls two inverters respectively provided to both ends of an open winding. A rotary electric machine control device (1) has at least two control schemes for controlling a first inverter (11) and a s...
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WO/2019/141086A1 |
A five-phase inverter dual three-phase motor driving circuit and a system vector control method, the driving circuit comprising two three-phase permanent magnet synchronous motors, a five-phase inverter, a controller, a reference current...
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WO/2019/142316A1 |
Provided is a variable speed motor device with which it is possible to reduce power loss and weight. A PWM inverter has one or three stop legs capable of cutting off power supply current supplied from a first DC power supply. When the fr...
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WO/2019/138454A1 |
Provided is an apparatus which is for controlling a rotary electric machine, and which, for a rotary electric machine having a plurality of sets of winding coils, can appropriately control the voltages of the respective sets of winding c...
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WO/2019/138698A1 |
Provided is a power conversion device capable of improving a decrease in effective utilization ratio of voltage in the carrier period of PWM control and achieving a high output from an inverter. A power conversion device 1000 according t...
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WO/2019/137916A1 |
A method for controlling an electrical converter (12), the electrical converter (12) being adapted for converting a DC voltage (vdc) into a multi-phase voltage with at least two voltage levels, comprises: determining a modulating signal ...
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WO/2019/138598A1 |
A motor drive for controlling an operation of an induction motor includes a motion controller to provide a reference signal for controlling the operation of the motor, and a memory to store a transformed model relating dynamics of a tran...
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WO/2019/138481A1 |
An air-conditioning device having an outdoor unit 1 and an indoor unit 2, and comprising: a converter main circuit 8 for rectifying and smoothing an AC power supply 3, and generating DC voltage in a main circuit capacitor 12; an inverter...
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WO/2019/134375A1 |
A compressor (1) for use with a refrigeration equipment and a refrigeration equipment, the refrigeration equipment comprising a connection assembly and a frequency converter (10) connected to an end of the connection assembly. The compre...
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WO/2019/134373A1 |
A compressor and a refrigeration device. The compressor (1) is used with a refrigeration device, the refrigeration device comprising a connection assembly and a frequency converter (10) that is connected to an end of the connection assem...
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WO/2019/134816A1 |
The invention relates to a method for operating an electric synchronous machine, having the steps of: - generating centered pulse-width-modulated switching signals for switching elements (T1...T6) of half-bridges, wherein two switching e...
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WO/2019/130564A1 |
Provided is an electric vehicle control device provided with a plurality of driving control systems each having an induction motor (2), an inverter (1) controlling the induction motor (2), and a control device (4) controlling the inverte...
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WO/2019/130888A1 |
This motor control device comprises: an inverter circuit that supplies drive voltage to a motor; and a control unit that, when a torque instruction value supplied from outside is less than a prescribed threshold value, has a power supply...
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WO/2019/129385A1 |
A compact motor control system for selectively controlling power from a power source to a load includes a motor switching assembly having a solid state contactor with a plurality of solid state switches. The motor switching assembly also...
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WO/2019/120380A1 |
The invention relates to a method and an apparatus for the field-oriented current control of a multiphase dynamoelectric machine (1) having a stator and a rotor which is at a distance therefrom via an air gap. In order to improve the dyn...
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WO/2019/120406A1 |
The invention relates to a method for operating a wind turbine which comprises a power generator, a generator side converter, a grid side converter, a DC link electrically connected to an output of the generator side converter and an inp...
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WO/2019/122565A1 |
The invention relates to a method for controlling a device (33) for modulating a power supply voltage (Ue) of an electrical current that is drained by a traction battery (31) of a motor vehicle (1) and that is supplied to an electrical m...
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WO/2019/123627A1 |
Provided is a motor drive device with which it is possible to continue operation within the upper limit of system control even when the voltage of an AC power supply decreases during operation of a motor used in a hoist or a crane. A mot...
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WO/2019/116551A1 |
This motor drive system (5) is provided with a plurality of inverter devices (3a)-(3n) connected in parallel with each other to a DC bus line (2). The inverter devices (3) are each provided with: a power conversion circuit (31) for conve...
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WO/2019/117119A1 |
This inverter is provided with a frame, a semiconductor power module and a cooling device. The frame is configured by combining a plurality of frame members which include a plurality of rod-shaped frame members. The semiconductor power m...
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WO/2019/111776A1 |
In this motor driving apparatus 120, a phase compensation amount calculation unit 110 calculates a phase compensation amount Δθ for compensating a voltage phase θv* when a control mode is switched in a control selection unit 90. The c...
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WO/2019/111728A1 |
The purpose of the invention is to compensate for the influence of parameter fluctuation which is problematic when using feedforward control for improving the operation noise, and to suppress the fluctuation of motor output. A controller...
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WO/2019/111729A1 |
The present invention provides a feature for reducing operating sound even when a high pass filter is used for control of a motor. A controller 100 is used in a motor control system 1000 that drives a motor M using a drive circuit 200 an...
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WO/2019/111730A1 |
Provided is a means for reducing operating sound even if a high-pass filter is used in controlling a motor. This controller 100 is used in a motor control system 1000 that uses a drive circuit 200 and an inverter 300 to drive a motor M u...
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WO/2019/111372A1 |
The present invention comprises: a control amount computation unit (13) that computes two or more control amounts indicative of the driving state of a rotating electrical machine (3), such computation based on the output current and the ...
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WO/2019/111647A1 |
Provided is a rolling system control device (40) that is inexpensive and can achieve highly accurate power factor compensation. Accordingly, the rolling system control device (40) is applied to a rolling system having: a measurement unit...
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WO/2019/106727A1 |
A control device 100, which performs either a voltage phase control or an electric current vector control so as to control electric power supply to an electric machine 9 according to the operating state of the electric machine 9, calcula...
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WO/2019/109102A1 |
When an electric vehicle is traveling downhill, experiencing regenerative braking, or otherwise forcing the vehicle motor to turn faster than the commanded motor torque, the vehicle motor produces electrical energy that can be used to re...
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WO/2019/107872A1 |
A home appliance having a motor according to the present invention comprises: an inverter unit; and an inverter control unit for controlling a switching operation of the inverter unit, wherein the inverter control unit generates a brakin...
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WO/2019/106777A1 |
The purpose of the present invention is to obtain a power converter control device that is capable of controlling a power converter that supplies power to a multi-winding motor and stably driving the multi-winding motor. This power conve...
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WO/2019/107871A1 |
In order to achieve a solution to a technical problem to be solved by the present invention, a motor drive apparatus according to the present invention comprises: a DC-side capacitor charged with direct current power; an inverter unit co...
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WO/2019/106838A1 |
This control device 100 outputs a voltage command value for current vector control by calculating a feedback command value and a feedforward compensation value, the feedback command value indicating a voltage value that reduces the devia...
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WO/2019/102539A1 |
Provided are a rotating electric machine control device and an electric vehicle capable of, when one phase abnormality occurs, controlling the DC power that is input/output from a inverter to a DC power supply so as not to exceed an uppe...
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WO/2019/101413A1 |
The invention relates to a power converter component for a motor vehicle having an electric drive machine (4), the power converter component (2) having a power-electronics assembly (T1, T2) that is used in multiple ways, which assembly c...
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WO/2019/101421A1 |
The present invention relates to an electric drive system that can be fed by a fuel cell as electric energy source. Here, a multi-level inverter is provided, which can be coupled at an input to the fuel cell and which can be coupled at a...
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WO/2019/102591A1 |
This rotating electric machine device is provided with: a rotating electric machine having a rotor and a stator; an inverter device including an inverter circuit for driving the rotating electric machine and an inverter control unit for ...
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WO/2019/102618A1 |
A comparison unit (103) compares and orders the magnitude relationship among the on-times of low voltage side switches (44, 45, 46) to which shunt resistors (47, 48, 49) are connected. A carrier generation unit (105) generates an interru...
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WO/2019/101531A1 |
The present invention relates to the transmission of electrical energy between two DC voltage sources connected to an inverter or to an inverter combination. In this case, the electrical energy can be transmitted at intervals of time in ...
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WO/2019/097156A1 |
The invention relates to a starter generator (A) for a motor vehicle, comprising: a stator (2) comprising phase windings, a rectifier inverter (4) comprising at least two types of transistor connected to each phase winding, and a control...
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WO/2019/095878A1 |
Disclosed are a motor driving system, a method and device for simultaneous calculation of reconstructed phase and current phase voltages. The method comprises the following steps: sampling a direct-current bus current and performing phas...
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