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WO/2017/175381A1 |
An electric power steering device provided with a plurality of power supply circuits, wherein the plurality of power supply circuits have a second power supply circuit for the CPU in a control unit, and a first power supply circuit for o...
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WO/2017/175466A1 |
Provided is a motor drive device capable of suppressing current consumption and increase of cost without delaying the start-up time. The motor drive device is provided with multiple inverter circuits, multiple relay circuits, multiple po...
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WO/2017/167493A1 |
The invention relates to a method for the current control of a pulse-width-modulated converter for an electric machine, particularly a pulse-width-modulated inverter connected to the electric machine. The machine and the inverter have a ...
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WO/2017/172315A1 |
A motor controller configured to control different types of electronically commutated motors (ECMs) includes a range of different rotor orientation signal inputs to accommodate differences between ECM motor types. The motor controller in...
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WO/2017/163450A1 |
In a system according to an embodiment, a rotating electrical machine is a permanent magnet type configured by forming magnetic poles of a rotor using permanent magnets. An inverter generates an AC voltage by switching and outputs the vo...
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WO/2017/159072A1 |
The present invention addresses the problem of reducing or minimizing a harmonic loss that occurs when an alternating-current motor is driven in an over-modulation region. The final correction signal wave is changed from zero to a synchr...
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WO/2017/158861A1 |
This electronic control device is provided with first and second system inverter circuits which drive a multi-phase motor having first and second winding pairs by upper arm switching elements and lower arm switching elements that are sel...
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WO/2017/159160A1 |
The present invention makes it possible to detect an abnormality between redundant systems involving a short circuit between the motors of redundant systems. This motor actuator is provided with: a first inverter circuit that controls th...
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WO/2017/158680A1 |
Provided is a three-phase redundant motor device (50) for electric power steering devices which, when increasing the supply current to a normally operating set of three-phase windings is increased, is able to control the increase in supp...
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WO/2017/158681A1 |
Provided is an electric motor control system capable of increasing the torque of an electric motor in order to ensure steering performance even when an abnormality occurs, and an electric power steering device. This electric motor contro...
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WO/2017/159091A1 |
Provided is a motor control apparatus. In this motor control apparatus, a first switching circuit group (41) and a second switching circuit (42) respectively provided between first and second microcomputers (21 and 22) and first and seco...
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WO/2017/154523A1 |
A rectifier circuit for rectifying an AC voltage supplied from a commercial power supply into a DC voltage, a smoothing capacitor for smoothing the output of the rectifier circuit, and an electrically powered tool for supplying the smoot...
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WO/2017/154239A1 |
The invention of the present application pertains to a motor drive device and a method for detecting phase current in a motor drive device, and more specifically pertains to a technique for detecting the phase current of three phases, us...
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WO/2017/155572A1 |
A multi-level high-speed adjustable speed drive has a plurality of modular multilevel, 3-phase inverter bridges, wherein the multilevel, 3-phase inverter bridges operate with fundamental frequency, f, wherein the multilevel, 3-phase inve...
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WO/2017/150640A1 |
A power conversion device (100) is provided with: a first invertor (120) connected to one end of a winding (M1, M2, and M3) of each phase of a motor; a second invertor (130) connected to the other end of the winding of each phase; and a ...
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WO/2017/150689A1 |
In the present invention, a PI duty calculating unit of a microcomputer that performs control at a predetermined control cycle calculates a duty ratio of voltage to be applied to a coil of a motor, from a target rotational speed and an a...
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WO/2017/150641A1 |
A power conversion device (100) according to an embodiment of the present invention is provided with: a first inverter (120) connected to one end of the winding of each of the phases of an electric motor (200) having n phases (n is an in...
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WO/2017/150639A1 |
This power conversion device (100) converts power from a power supply (101) into power that is supplied to an electric motor (200) having n phases (n is an integer of 3 or more) of windings. The power conversion device (100) is provided ...
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WO/2017/145640A1 |
Provided is a power steering control device whereby it is possible to reduce electromagnetic noise using spread spectrum technology and achieve stable motor control. Also provided is a power steering device using the power steering contr...
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WO/2017/143394A1 |
The invention provides an air-conditioner for maintaining a temperature of a conditioned space at or near a set temperature. The air-conditioner comprises at least one rotating or reciprocating element adapted to rotate or reciprocate at...
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WO/2017/144697A1 |
The invention relates to a method for operating a three-phase motor on a direct-voltage network. The method comprises generating a three-phase system having three pulsed voltages (UR0, US0, UT0) having phase-shifted pulse patterns, where...
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WO/2017/140676A1 |
The control device includes: a unit for receiving, for a time period, phase voltage setpoints forming a setpoint vector in vector space; a unit for selecting at least N+1 states of the inverter which are associated, respectively, with at...
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WO/2017/141872A1 |
This control apparatus alternately turns on an upper arm switch and a lower arm switch on the basis of operation patterns that are time-sequential patterns defining the switching patterns of the upper arm switch and the lower arm switch ...
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WO/2017/141411A1 |
A motor control system equipped with: an inverter that outputs voltage to a motor on the basis of a voltage command; a current detection means that outputs a current detection value on the basis of the current flowing in the motor; a vol...
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WO/2017/141513A1 |
In order to downsize a power conversion apparatus, which controls a power converter connected to an electric motor, by reducing the number of current detectors for detecting phase currents, the present invention is provided with a curren...
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WO/2017/141539A1 |
An inverter control device (10) comprises: a current detection unit (11) for detecting a current value flowing through a DC bus line (5) of an inverter (3); a detected current storage unit (12) for obtaining the current value at a curren...
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WO/2017/141593A1 |
A control apparatus (10) for controlling a three-phase rotary machine (80) having two sets of three-phase windings (801, 802) is provided with: two power converters (601, 602) that output AC currents, which have amplitudes equal to each ...
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WO/2017/140357A1 |
A multilevel converter (1) comprising a first (10A), a second (10B) and a third (10C) switching leg. Each switching leg (10A, 10B, 10C) comprises: - a first connection (11A, 11B, 11C) for a respective phase (A, B, C) of a three phase AC ...
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WO/2017/137092A1 |
The present disclosure relates to a submodule (3) for a chain link converter leg (2). The submodule comprises a first semiconductor structure (4a) forming first current path through the submodule, and a second semiconductor structure (4b...
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WO/2017/130447A1 |
When a triangular carrier wave is divided into two intervals, that is, a monotonically increasing interval and a monotonically decreasing interval, a DC bus line current detection unit (2) detects, in a first cycle of two continuous tria...
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WO/2017/128052A1 |
An unmanned aerial vehicle and an electrical motor control chip and an electronic governor thereof. The electrical motor control chip comprises: an encapsulation case (11), an analogue peripheral circuit (21) encapsulated in the encapsul...
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WO/2017/129252A1 |
The invention relates to a method (20) of controlling a modular multilevel converter (1) comprising a number of series-connected submodules (21,..., 2n) in at least one first branch (3a_u, 3b_u, 3c_u) and at least one second branch (3a_I...
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WO/2017/130854A1 |
This motor control device controls the rotational operation of a motor, and is equipped with a function for preventing regenerative power produced by the motor from flowing back to the power-source side. This motor control device is equi...
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WO/2017/129849A1 |
The elevator comprises a car (10) moving upwards and downwards in an elevator shaft (20) by a lifting machinery (400) comprising a drive unit (100), an electric motor (200) having an axis of rotation forming an axial direction (X-X), and...
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WO/2017/127557A1 |
In one embodiment, systems and methods of controlling switch modules for dynamically deriving selective circuitries within a plurality of similar voltage energy storage devices of an energy storage system, and/or, within a plurality of s...
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WO/2017/126639A1 |
The purpose of the present invention is to improve the abnormality detection ability of a current sensor. An abnormality detection device for a current sensor 16 detects whether a single current sensor 16 is abnormal or not, said current...
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WO/2017/126389A1 |
Provided is an electric motor device that can improve the feel of a vehicle by reducing the effect of cogging torque, and that can reduce manufacturing cost. The electric motor device includes: an electric motor (6); and a control device...
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WO/2017/126261A1 |
Provided are: a current sensor such having a reduced size and cost, in which defects in the current sensor can be identified with a high degree of precision, and an inverter comprising the current sensor. A direct current sensor 380 for ...
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WO/2017/122309A1 |
A control unit 2 of an electric motor control device is provided with: an inverter circuit 6 which supplies electric power to an electric motor 1; a current control unit 5 which outputs a voltage command value as a drive command for the ...
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WO/2017/121611A1 |
The invention relates to a vacuum pump drive comprising an electric motor (12) driving the rotor of a vacuum pump, a first frequency converter (16) connected to the electric motor (12) and designed to generate a motor input voltage for d...
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WO/2017/122490A1 |
The purpose of the present invention is to obtain a motor control system which can stably control the torque of an alternating current motor by using an inverter. A motor control system of the present invention is provided with: a curren...
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WO/2017/122296A1 |
An electric vehicle control device, provided with a voltage control unit for controlling the output voltage of an inverter, and a speed estimator 20 for computing an estimation value for the speed of a motor. The speed estimator 20 is pr...
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WO/2017/123832A1 |
Systems and method for controlling an alternating current (AC) electrodynamic machine (390) with a variable frequency drive (VFD) (380) include a control system (300) with a phase-locked-loop (PLL) circuit (382) for providing a stator fl...
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WO/2017/122420A1 |
Provided are an in-vehicle device control method and an in-vehicle control device with which it is possible to suppress radiation noise generated when a plurality of loads are driven simultaneously to respectively operate a plurality of ...
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WO/2017/120211A1 |
The method of controlling a rotating three-phase motor involves generating in synchronism with the rotation of the motor a variable duty cycle pulse-width modulated signal for each of the switching circuit components used to supply curre...
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WO/2017/119227A1 |
The objective of the present invention is to obtain a control device of a rotating electrical machine drive system capable of appropriately protecting a power device of an inverter circuit when an excessively large current is applied fro...
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WO/2017/115561A1 |
Provided is a device for controlling a direct-type power conversion apparatus, which is capable of highly efficiently driving a motor while suppressing noise. Pulsation power having a first variation width is inputted to a DC link (DC po...
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WO/2017/115560A1 |
The present invention pertains to a device for controlling a direct-type power conversion apparatus, which is capable of highly efficiently driving a motor. According to the present invention, a rectified voltage obtained through full-wa...
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WO/2017/116676A1 |
A method for reducing noise at a wellsite includes transmitting a plurality of first signals from a variable frequency drive (VFD) to an alternating current (AC) induction motor. A timing of a plurality of second signals is varied to con...
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WO/2017/111390A1 |
An aspect of the disclosed invention calculates a value of an inductance of a synchronous motor whose characteristic is unclear while suppressing a failure of the synchronous motor. A motor driving device according to an embodiment of th...
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