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Matches 1 - 50 out of 32,369

Document Document Title
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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...  
WO/2019/097323A1
The invention relates to a method for generating high starting torque in an asynchronous motor at a low power consumption, using a program-controlled, parametrizable inverter for industrial use. The invention involves choosing the invert...  
WO/2019/091686A1
The present invention relates to an electric drive system, and to a control apparatus for such an electric drive system. In this case, provision is made for the operation of an electric machine with two independent inverters. Each of the...  
WO/2019/093300A1
[Problem] To provide a brushless DC motor identification method by which information about a brushless DC motor can be identified while handshakes are not especially needs to be performed. [Solution] The identification method according t...  
WO/2019/087243A1
This electric motor drive device (2) has: a connection switching device (60) for switching the connection states of the windings (71-73) of an electric motor (7) by performing switching operation on switches (61-63) during rotational ope...  
WO/2019/087644A1
[Problem] To provide a motor control device and a motor control method enabling torque control by a command value even during switching of control modes, suppressing torque variation during the switching, and excellent in responsiveness....  
WO/2019/087362A1
Provided is a SVPWM method that is capable of reducing losses in a DC power source and an inverter. According to the present invention, an inverter has three or more legs that supply phase currents to respective phase coils of a multipha...  
WO/2019/084678A1
A system for simultaneously controlling a plurality of PM AC motors includes a single VFD operatively connected to a power source. The single VFD is programmable to have predetermined operating conditions. The plurality of PM AC motors i...  
WO/2019/085106A1
An electric motor control system and an inverter air conditioner. The electric motor control system comprises a rectifier (2), a filter circuit (6), an operation control portion (5), several inverters (4, 8), and current sampling portion...  
WO/2019/080998A1
The invention relates to a motor electric control unit (1) for an electric motor controlled by PWM with a PWM frequency, wherein each PWM period (A,B,C,D,E,F,G,H,I,J,K) has pre-calculated duty cycles and with a motor control frequency, w...  
WO/2019/083636A1
A motor drive for driving a permanent magnet electrical machine includes an inverter having switches that are selectively operated to control current flow and terminal voltages in the electrical machine and a controller operatively conne...  
WO/2019/025740A3
Method for controlling an inverter (18) configured to power electrically a motor (12) comprising a stator and a rotor capable of being rotated relative to the stator when the motor (12) is electrically powered, the inverter (18) comprisi...  
WO/2019/083015A1
A motor control device for performing PWM control of an inverter for driving a three-phase brushless motor on the basis of a current command value, wherein the motor control device is provided with: a voltage command value computation un...  
WO/2019/082718A1
This motor drive device is provided with a brushless DC motor (4) which has a rotor, an inverter circuit (3) which is configured comprising six switching elements (3a-3f) and which supplies power to the brushless DC motor (4), a position...  

Matches 1 - 50 out of 32,369