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WO/2017/033320A1 |
This power supply regenerative converter comprises: a power module 22 constituted by including rectifying elements D1 to D6 and regenerative switching elements S1 to S6; a smoothing capacitor 21 that is connected to direct-current power ...
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WO/2017/033634A1 |
This power supply regenerative converter comprises: a power module 22 constituted by including rectifying elements D1 to D6 and regenerative switching elements S1 to S6; a smoothing capacitor 21 that is connected to direct-current power ...
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WO/2017/030055A1 |
A control device for a rotary machine (5) that controls the switching of an inverter (4) by means of a switching signal output by a modulator (15), thereby controlling the energization of a multi-phase rotary machine having three or more...
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WO/2017/030020A1 |
[Problem] To provide an electronic control device equipped with a function for diagnosing short-circuit malfunctions in an inverter FET by means of a FET short-circuit detection unit and responding appropriately to the diagnosis result, ...
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WO/2017/029925A1 |
A motor unit equipped with: a motor; a drive circuit; a shunt resistor; a rotation command input terminal; a pulse output terminal; a current detection unit that detects the drive current measured by the shunt resistor; a drive control u...
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WO/2017/029694A1 |
A motor driving device 100 according to the present invention is provided with an inverter main circuit 4 for outputting AC power to each of a plurality of phases of a motor 3 having the plurality of phases. When the current flowing to a...
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WO/2017/025993A1 |
A motor controller comprises: a target current value generating part for generating a d-axis target current value and a q-axis target current value; a motor current value generating part for generating a d-axis motor current value and a ...
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WO/2017/024418A1 |
The invention relates to a method and system for controlling a synchronous machine by means of a multi-pulse cyclo-converter actuated by means of predictive control, the method comprising: acquiring the variables of state associated with...
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WO/2017/026061A1 |
The present invention is an electric motor drive device 100 which drives an electric motor 4 by using AC power converted from a DC power source 1, said electric motor drive device 100 being provided with: an inverter 5 that receives a pu...
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WO/2017/022081A1 |
A synchronous motor control device equipped with a voltage detector, a current detector, an inverter main circuit, and an inverter control unit 6, wherein the inverter control unit 6 is equipped with: a phase current reproduction unit 9 ...
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WO/2017/022083A1 |
A synchronous motor control device equipped with a DC power source 1, an inverter main circuit 2, a three-phase synchronous motor 3 driven by converting the direct current from the DC power source 1 to an alternating current using the in...
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WO/2017/017839A1 |
The motor driving device according to the present invention is provided with: an inverter for applying a voltage to a motor; and an inverter control unit for controlling a voltage outputted by the inverter. The inverter control unit cont...
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WO/2017/018811A1 |
The present invention relates to a motor driver comprising: a control unit for generating a gate control signal as a pulse width modulation (PWM) signal necessary for driving a motor; a gate driver for outputting a pair of driver signals...
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WO/2017/016692A1 |
The present invention relates to an apparatus for reducing and/or avoiding harmful bearing currents in an electrical machine (M), such as preferably a three-phase EC motor (M), having a rotor (2) and a stator (3) which is constructed in ...
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WO/2017/013117A1 |
The invention relates to a method for operating a frequency converter which is designed for controlling a rotary current motor, wherein the frequency converter comprises three half-bridges, each having at least two switching means. The m...
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WO/2017/013723A1 |
In order to provide noise reduction that takes into consideration the noise levels felt by people, by using a method for reducing output current noise in a power conversion device, this power conversion device comprises: a carrier freque...
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WO/2017/014063A1 |
It is necessary, when starting an electric motor, for a control to be performed in estimating the rotation position, as an electric motor cannot be started quickly at high torque. When an electric motor 5 stops rotating, a control device...
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WO2017010256A1 |
A drive device for a compressor is provided with: an inverter circuit (51) constituted from a plurality of switching elements (SW1, SW2, …, SW6); a drive unit (53) for switching the plurality of switching elements; a determination unit...
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WO/2017/009883A1 |
This AC motor control device comprises: an inverter including switching elements; a switching control means that controls the switching elements; and a phase detecting means that detects the rotor phase of the AC motor, wherein the switc...
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WO/2017/003071A1 |
Provided is an electric tool control method for tightening a nut by providing intermittent pulse torque after the nut is seated, wherein an electric motor is used as a means for providing the pulse torque, and the method comprises the st...
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WO/2016/206971A1 |
The invention relates to a method for controlling an electric drive, wherein the drive unit is monitored as to the occurrence of an acoustic interference signal while the drive is being controlled, and when an acoustic interference signa...
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WO/2016/207165A1 |
A method of controlling a compressor system (10) comprises a gas compressor (32) and an electrical variable-speed drive (30) supplied by an electrical grid (36) and driving the gas compressor (32). A method of controlling the compressor ...
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WO/2016/207936A1 |
A motor control device according to the present invention is provided with: a magnet-temperature detection unit (209) for detecting a magnet temperature of a motor (4); a magnetic-flux calculation unit (3081) for calculating a motor magn...
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WO/2016/203709A1 |
A driving device for a motor (12) equipped with a stator and a rotor, the rotor being rotated by the input of AC voltage, said driving device being equipped with: an inverter circuit (40) wherein units, which have switching elements (Tr1...
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WO/2016/201405A1 |
An electrical power system for a six-phase electric motor having a first set of three-phase windings and a second set of three-phase windings. A first pulse width modulator operates at a conversion frequency and at a first phase which co...
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WO/2016/198377A1 |
The invention relates to an electrical circuit, comprising a first power converter unit (12; 70), at least a second power converter unit (14; 76), an intermediate circuit (16; 72), which connects the power converter units (12, 14; 70, 76...
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WO/2016/199197A1 |
This power conversion device is provided with: an inverter 11, which converts a direct current voltage into an alternating current voltage, and applies the converted alternating current voltage to an electric motor 2; a power supply circ...
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WO/2016/195033A1 |
The objective of the invention is to reduce the impacts of transient currents generated when a modulation scheme is switched. When this rotating electrical machine control device (2), which switches a modulation scheme in accordance with...
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WO/2016/193092A1 |
An electrical motor system and a method for operating the electrical motor system are disclosed. The electrical motor system comprises a direct current (DC) source, a filter connected in parallel with the DC source and an electric motor ...
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WO/2016/194837A1 |
This DC-brushless-motor control device, which supplies a current to a winding of a stator of a three-phase DC brushless motor for rotating a negative-pressure-generating fan, is provided with: a rectification unit for rectifying alternat...
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WO/2016/194140A1 |
In an elevator equipped with an inverter for converting power from a power supply to alternating current and suppling the alternating current to and driving a synchronous electric motor that drives the elevator car, and for transmitting ...
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WO/2016/194399A1 |
The present invention addresses the problem that when the operation of a power conversion device has stopped due to the occurrence of a short-circuit accident, the user cannot identify the place where the short-circuit has occurred, that...
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WO/2016/190093A1 |
The purpose of the present invention is to reduce excess current in an inverter and a motor. Provided is a control device for an electric motor in which each phase winding is connected independently. The control device uses a zero-phase ...
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WO/2016/185924A1 |
A control unit (4) is capable of: generating a first switching signal based on a voltage command value and a first carrier wave (frequency Fc1), and a second switching signal based on the voltage command value and a second carrier wave (...
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WO/2016/185150A1 |
The method according to the invention relates to the control of an electrical machine (1) by PWM signals (C) of the type where the PWM signals are sampled at a variable sampling frequency (Fpwm). According to the invention, a step of cal...
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WO/2016/185601A1 |
The present invention is provided with: a control-start/stop-determining unit 11 that receives as inputs a start/stop request signal for controlling the starting and stopping of a motor 5 and information about the rotation speed of the m...
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WO/2016/181503A1 |
The purpose of the present invention is to obtain a power conversion device with which it is possible to suppress power consumption without wastefully consuming regenerative power even when there is no configuration for effectively using...
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WO/2016/181448A1 |
An AC rotating electric machine control device is provided with a plurality of power conversion circuits by which voltages applied to the multiphase armature windings of a plurality of groups are controlled for each of the multiphase arm...
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WO/2016/177507A1 |
The invention relates to a method for switching on a multi-phase electrical machine (110) in a motor vehicle. Said multi-phase electrical machine (110) comprises a rotor with a rotor winding (101) and a stator with a multi-phase stator w...
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WO/2016/174702A1 |
An AC rotating machine control device estimates, as an estimated rotational position, the rotational position of an AC rotating machine having N sets of three-phase windings, where N is a natural number of 2 or more. The control device i...
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WO/2016/170585A1 |
A control device equipped with a pair of switching elements for converting power from a power supply to AC power, and supplying the AC power to a load. This control device obtains a current or voltage signal supplied to the load, convert...
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WO/2016/166444A1 |
Method of controlling an asynchronous electric machine of a power train of an automotive vehicle, comprising the following steps: a torque request ( Ce #)and the speed of rotation of the asynchronous electric machine are determined, a re...
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WO/2016/166802A1 |
An electric drive device 1 comprises: a power conversion unit 20 provided with an inverter 23 having an upper arm 23a and a lower arm 23b that control the operation of an electric motor 2; and a drive control unit 30 that controls the po...
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WO/2016/167111A1 |
When an irregularity is detected in an air conditioner and driving of an actuator is requested to be stopped, driving of the actuator, which is driven by an inverter, is stopped with greater reliability. A drive signal is outputted to a ...
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WO/2016/165719A1 |
A method of controlling a full-scale converter system in which both the grid-side inverter unit and the generator-side inverter unit have a series-connection of parallel inverters and form a generator-side and grid-side voltage-center-po...
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WO/2016/163459A1 |
An electrical motor device (1) that is provided with: a rotating electrical machine (4) that has three-phase windings (7U-7W); a switch (S) that turns application of voltage to the windings (7U-7W) on and off; a control means (6) that gi...
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WO/2016/163788A1 |
A three-phase voltage-type inverter is disclosed. The three-phase voltage-type inverter comprises: a conversion unit for converting a three-phase AC current to a two-phase DC current; a calculation unit for detecting the angle between a ...
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WO/2016/163458A1 |
In the present invention, windings (7U-7W) are provided with respective intermediate taps (8U-8W) so as to allow a rotating electrical machine (4) of an electromotive power-generator device (1) to vary actual turn count by phase. A drive...
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WO/2016/157391A1 |
This drive device is provided with: a rotary electric machine; a matrix converter having a power conversion unit that converts power from an alternating current power supply into alternating current power for output; a battery connected ...
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WO/2016/157306A1 |
This control device (10) for an AC rotating machine (1) comprises: a current detecting unit (3); a command generating unit (4) that generates a voltage command using an inertia moment J; a speed estimating unit (6) that calculates an est...
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