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WO/2017/110081A1 |
A brushless DC motor voltage control device (20a): stores the value of one cycle of a periodic voltage variation in a smoothed voltage; uses a duty adjusted on the basis of the stored smoothed voltage value to delay the application of a ...
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WO/2017/112402A1 |
Systems and methods are disclosed for improving acceleration performance of an electric vehicle that includes an electric motor for propulsion. An exemplary system may include an inverter configured to drive the electric motor. The inver...
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WO/2017/106136A1 |
A power converter for operating a three-phase AC electrical machine from a single phase AC power source includes an ASD having a rectifier and inverter, and an add-on power conversion module external to the ASD that is electrically conne...
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WO/2017/088921A1 |
A multi-phase inverter having a plurality of pulse width modulation pulses is described. In the event that the duty cycle of a pulse of a plurality of pulse width modulation pulses of the multi-phase inverter is above an upper threshold ...
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WO/2017/090781A1 |
A compressor of the present invention comprises a sealed container, a compression element that is installed inside the sealed container and compresses a refrigerant fluid, an electric element that is installed inside the sealed container...
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WO/2017/089712A1 |
System for controlling the electrical supply of an electric automotive vehicle furnished with at least two electric traction machines (3,5), each supplied by an inverter (2,4), the inverters (2,4) being connected to one and the same cont...
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WO/2017/090612A1 |
[Problem] To provide an electronic control device having an external WDT that can accurately detect an abnormality (failure) in an MCU associated with a BIST function, thereby enabling system safety to be maintained. [Solution] Provided ...
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WO/2017/089461A1 |
The invention relates to a device (1) for operating an electric motor (EM) having an identifying unit (2) for identifying zero crossings and phase angles of applied phase-shifted sinusoidal voltage phases (L) of a polyphase voltage suppl...
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WO/2017/090350A1 |
The objective of the present invention is to reduce zero-phase current detection errors. This control device is for an electric machine wherein windings are independently connected for each phase, and is equipped with a control unit that...
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WO/2017/090109A1 |
This control device for a permanent magnet-type rotating electrical machine 100 is provided with: a current coordinate transforming unit 109 which coordinate-transforms three-phase alternating currents detected from current detecting uni...
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WO/2017/086054A1 |
A system-in-package according to the present invention is used after being connected to an inverter output circuit and has: an analog circuit chip including a plurality of gate driver circuits that output to a terminal electrode a gate d...
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WO/2017/080120A1 |
A method for implementing a unidirectional chaotic motion of a rotation speed of a permanent-magnet synchronous motor. The method comprises: step 1, collecting two-phase current simulation signals to obtain digital quantities iA(t) and i...
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WO/2017/080996A1 |
The invention relates to a method for controlling a semiconductor switch (HS1) of a converter (WR) by means of a pulse width modulated control signal (SS1), wherein, during a signal period (T) of the control signal (SS1), the semiconduct...
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WO/2017/077574A1 |
In the present invention, first and second magnetic sensors (24A, 24B) are disposed at positions separated from each other along the rotation direction of a rotor of a single-phase AC motor (10). In a starting process for causing the rot...
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WO/2017/077596A1 |
Provided is a vehicular motor control device comprising an inverter in which a plurality of power semiconductor elements are mounted and which drives a motor by switching control, and a DC/DC converter for stepping up an output voltage o...
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WO/2017/077567A1 |
The purpose of the present invention is to obtain an electric power steering device capable of, when a failure occurs in one motor winding set, continuing control while maintaining driver's steering feeling in a good state. When detectin...
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WO/2017/077981A1 |
The objective of the present invention is to suppress pulsation of output torque by means of output distributed to a plurality of inverters, in response to an arm malfunction in a power conversion device, and to enable inverter control w...
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WO/2017/077599A1 |
Provided is a motor control device that outputs a drive signal to a single-phase inverter for driving a single-phase motor, the motor control device performing PWM control on the single-phase inverter on the basis of a detected value of ...
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WO/2017/074508A1 |
A system includes a variable frequency drive (VFD) comprising an inverter having an output configured to be coupled to a motor and a switch configured to couple a power source to the motor to bypass the VFD. The system further includes a...
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WO/2017/072710A1 |
Described is method for controlling an electric fan comprising an electric motor and electronics for controlling the electric motor, comprising a step for controlling the speed of the motor, a step for controlling the power of the motor ...
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WO/2017/068628A1 |
The air conditioner according to the present invention is provided with: a power source generating unit 2 that generates driving power for driving the air conditioner; an inverter output unit 6 that drives a motor 20; a voltage detecting...
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WO/2017/068821A1 |
Provided is a power conversion device in which, when a power-source disturbance occurs, an inverter maintains the direct-current voltage, and operation of the device is continued with the motor in an excited state, while an overcurrent/o...
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WO/2017/066307A1 |
Solar Motor Controller is an electronic device with DC power input terminals that may connect directly to solar PV panels, and output terminals that may connect directly to single or multiphase phase AC electric motors without requiring ...
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WO/2017/064076A1 |
Disclosed is a method for controlling a semiconductor switch (HS) using a pulse-width-modulated control signal (PWM). A check is made (S100) to determine whether a current duty cycle (Tm) of the control signal (PWM) lies within a duty cy...
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WO/2017/063739A1 |
The present invention concerns a three-phase diode bridge device (100) for helping control an electric motor, comprising three pulse generators configured to supply a three-phase power supply signal, having three phases (U, V, W) offset ...
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WO/2017/063753A1 |
The invention relates to a system comprising electric motors and to a method for operating a system comprising mechanically coupled electric motors. Each electric motor has a rotatably mounted rotor shaft, and the rotor shafts of the ele...
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WO/2017/064756A1 |
Provided is an AC rotating machine control device capable of superimposing fifth- and seventh-order harmonic voltages on an AC voltage by performing arithmetic processing with a low processing load, said AC voltage being applied to an AC...
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WO/2017/061693A1 |
A motor driving device comprises: a first module having an inverter circuit, loaded therein, for supplying a driving current to a motor; a second module having a control circuit, loaded therein, for controlling the inverter circuit; and ...
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WO/2017/061817A1 |
The present invention relates to a motor driving apparatus and a home appliance comprising the same. The motor driving apparatus according to an embodiment of the present invention comprises: an inverter which converts a direct current p...
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WO/2017/056258A1 |
A power control method has: a current measurement step; a command value calculation step; an operation step; a determination step of determining whether or not changing an operation period during which the operation step is executed to a...
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WO/2017/056649A1 |
Provided is a power conversion device that achieves auto-tuning of mutual inductance M while taking into account magnetic saturation, and achieves automatic setting pertaining to a command value for excitation current, and that, in a vec...
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WO/2017/050534A1 |
The invention relates to a method and a controller for operating an electric powertrain (100). The electric powertrain (100) comprises an inverter (10), the clock frequency (TF) of which can be adjusted, and at least one additional elect...
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WO/2017/049859A1 |
A high/low voltage conversion star-type multiphase variable-frequency driving system relates to a high-voltage high-power motor and driving control thereof. A variable-frequency driving technical solution commonly used at present mainly ...
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WO/2017/051758A1 |
A rotating electric machine device is provided with: a magnetic field winding; star-connected three-phase motor windings; an inverter having a plurality of switching elements and performing a power conversion on the power output from a b...
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WO/2017/048515A1 |
Controllers for controlling hybrid motor drive circuits configured to drive a motor are provided herein. A controller is configured to drive the motor using an inverter when a motor commanded frequency is not within a predetermined range...
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WO/2017/047279A1 |
An electronic control device equipped with: first and second system inverter circuits that, for each winding group, drive a multiphase motor having winding groups; first and second phase potential detection circuits that detect the poten...
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WO/2017/047708A1 |
[Problem] To provide an electric power steering device capable of performing angle estimation using a motor regenerative current so as to be able to perform angle estimation accurately even in low-speed steering. [Solution] Provided is a...
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WO/2017/047106A1 |
An inverter control device 10 controls an inverter 2 that generates a three-phase alternating current 200 for driving an alternating current motor 1. A PWM control unit 12 causes the inverter 2 to generate the three-phase alternating cur...
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WO/2017/048279A1 |
Various embodiments include determining an alternating current (AC) voltage and frequency of a supply voltage coupled to a circuit input. The circuit includes a soft starter circuit that is coupled between the circuit input and a first s...
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WO/2017/041956A1 |
The invention relates to an actuation circuit (140) for an inverter (103). The inverter (103) is designed to convert a direct current with a first voltage (111) from an electric energy storage device (101) into an alternating current wit...
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WO/2017/041144A1 |
A controller for an inductive load in the form of a DC electric motor which has an inductive winding. Controller includes a first input for drawing a DC load current in a first period from a first energy source in the form of a bank of b...
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WO/2017/043212A1 |
The present invention addresses the problem of providing an inverter drive device and electric system which, without increasing the number of components, accurately detect the amount of offset of a current detection circuit that detects ...
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WO/2017/043461A1 |
A low-torque-variation quiet operation when NVH is important and a high-torque operation or high-output operation when torque and output are important are both achieved by determining, on the basis of a request, whether to use a control ...
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WO/2017/038073A1 |
A motor control device (1) is provided with: a boost converter (DCDC converter circuit (20)) that boosts the voltage of an input power supply; an inverter circuit (10) that outputs a motor drive voltage on the basis of an output voltage ...
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WO/2017/037795A1 |
In the present invention: a transformer has a primary winding electrically connected to an overhead wire; a power conversion apparatus as an apparatus to be cooled is connected to a secondary wiring of the transformer; a driving motor as...
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WO/2017/037945A1 |
This power conversion device is provided with an inverter 12 which converts a DC voltage supplied from a DC power source 11 to an AC voltage and which outputs said AC voltage to a motor 2, and with an inverter control unit 13 which outpu...
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WO/2017/037496A1 |
A unique system may include a power absorber; an electrical machine coupled to the power absorber and operative to supply mechanical power to the power absorber; a drive coupled to the electrical machine and operative to supply electrica...
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WO/2017/037942A1 |
The present invention provides a motor-driving device for driving a motor, the device being provided with the same number of inverter modules as the number of phases of the motor. Each of the inverter modules is provided with a plurality...
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WO/2017/035534A1 |
A method (400) of regenerative braking includes providing (401) an electric motor including at least one stator and a rotor, a speed of the rotor, a motor controller that regulates a current level in the stator winding, a power inverter ...
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WO/2017/032716A1 |
Drive system (1), having: - an electric motor (2), wherein the electric motor (2) has: - a first three-phase stator winding system and - a second three-phase stator winding system, wherein the first and the second stator winding system a...
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