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Matches 1 - 50 out of 16,968

Document Document Title
WO/2020/101530A1
The invention relates to the field of electrical engineering and provides a reduction in torque ripple. A method for controlling an induction machine involves: constantly measuring the angle of a rotor having z teeth and the currents in ...  
WO/2020/098863A1
The invention relates to a motor control unit (14) for controlling an electric motor (12), comprising a converter (16), controlled by a driver element (26) according to an input signal (24), for generating an alternating magnetic field i...  
WO/2020/095137A1
Fluid pump device provided with a fluid pump element with a drive (3) and further provided with a control unit (18) that is connected to a pressure sensor (17) configured to measure the pressure of the fluid, downstream from the fluid pu...  
WO/2020/090279A1
The present invention addresses the problem of continuing an operation even under one phase failure in each system. This drive system has: an inverter circuit for outputting alternating current in order to operate a rotating electric mac...  
WO/2020/083937A1
The present disclosure relates to controlling a DC-AC inverter of an electric machine, where the electric machine comprises a resonant main exciter having rotary transformer. A voltage level of DC power received at a DC-AC inverter is mo...  
WO/2020/086009A1
The invention is an alternating current synchronous motor (1) which provides energy savings and/or increased efficiency has the rotors (2) and windings (3) wherein; it comprises a magnetic field ring (4) used to rotate the magnetic field...  
WO/2020/085322A1
A brushless motor of an electric working machine according to one aspect of the present disclosure is provided with a stator, a rotor, a first drive circuit, and a second drive circuit. The stator has first teeth, second teeth disposed n...  
WO/2020/079944A1
A rotary electric machine (10) includes: a rotor (40); and a stator (50) having polyphase stator winding wires (51) provided with lead wire parts (81, 82) arranged at a predetermined interval in the circumferential direction. The rotary ...  
WO/2020/081290A1
An electronically controlled, motor-driven device is able to issue locally perceptible acoustic alerts by causing the electric motor to vibrate, which in embodiments can include vibrations at a resonant frequency of the device. Embodimen...  
WO/2020/080170A1
The failure diagnosis method according to an embodiment of the present disclosure diagnoses a failure of a power conversion device 1000 for converting the power from a power supply 101 to a power supplied to a motor 200 having n-phase (n...  
WO/2020/079983A1
With the present invention, a power storage device is appropriately warmed in a low-temperature environment while suppressing complication of the device structure and reduction of power usage efficiency. A vehicle drive device (100) comp...  
WO/2020/080024A1
A power conversion device for converting electrical power from a DC power supply (30) and feeding the converted electrical power to a dynamo electrical machine (40), and driving the dynamo electrical machine, wherein the power conversion...  
WO/2020/075693A1
One embodiment of the motor control system according to the present invention is a motor control system for supplying power to a motor and provided with a first motor control unit and a second motor control unit which are each provided w...  
WO/2020/075700A1
A main spindle device (1) that comprises: a main spindle (2) at the tip, i.e., the front side, of which a tool (T) can be installed; and a housing (3) that is arranged on the radial-direction outside of the main spindle (2). The main spi...  
WO/2020/075322A1
The present application provides an electric braking device for a vehicle that can safely stop a vehicle even when a failure occurs. The electric braking device for a vehicle is equipped with a wheel brake (50) that is connected to a pow...  
WO/2020/066028A1
A motor drive device (100) is equipped with: a booster circuit (3) for boosting AC voltage that is output from an AC power supply (1); a capacitor (4) for smoothing DC voltage that is output from the booster circuit (3); an inverter circ...  
WO/2020/066994A1
This motor control device 10 comprises: a current acquisition unit 12 that acquires a limited current ILdc that can flow from a battery 200 to a brushless motor 100; a voltage acquisition unit 11 that acquires a power supply voltage Vdc ...  
WO/2020/066029A1
A motor drive device (100) is equipped with: a booster circuit (3) that has at least one first switching element, and that converts AC voltage output from an AC power supply (1) to DC voltage while boosting the voltage; a capacitor (4) t...  
WO/2020/066184A1
One embodiment of this driving control device is a driving control device that controls the driving of a motor and comprises: at least two inverters that each supply power to the motor; and a control unit that selectively performs first ...  
WO/2020/066995A1
This motor control device 10 is provided with: a command current deriving unit 33 for deriving a command current vector on the basis of a command torque TR* for a brushless motor 100; a phase difference deriving unit 18 for deriving a ph...  
WO/2020/066481A1
This field winding-type rotary electric machine (30) is provided with: field windings (70, 73) having a series connection body of first winding units (71a, 74a) and second winding units (71b, 74b); and a rotor (60) having a radially prot...  
WO/2020/064420A1
The invention relates to a method for reducing interference noise and/or vibrations during the operation of an electric machine (1) which has a primary part with a three-phase coil winding and a second part with permanent magnets. In the...  
WO/2020/064097A1
In order to achieve the energy efficiency class IE4 defined in IEC standard 60034, it is necessary to operate permanently excited synchronous machines directly on the mains. Since this is not readily possible, soft starters come into con...  
WO/2020/068706A1
Techniques are disclosed for systems and methods to reduce mechanical vibrations within a cryocooler/refrigeration system configured to provide cryogenic and/or general cooling of a device or sensor system. A cryocooler includes a motor ...  
WO/2020/066170A1
This driving system for a rotary electric machine is provided with: a rotary electric machine having a plurality of windings; an inverter device which includes a control device for controlling power conversion by an inverter circuit and ...  
WO/2020/054407A1
[Problem] To provide a motor control device and a motor control method in which a voltage phase control unit (square wave control unit) covers a conventional weak magnetic flux control region, and in which loss is suppressed. [Solution] ...  
WO/2020/050161A1
A shift range control device (40) equipped with a plurality of control units (51, 52) provided in correspondence with motor winding (11, 12). The drive control unit (513, 523) uses a motor rotational angle signal to control energization ...  
WO/2020/047664A1
A reconfigurable rotating electric machine having a rotor to rotate in association with a stator. Coils are arranged to form the windings of one or more phases. Each coil or group of coils has a pair of terminals to receive an electrical...  
WO/2020/049716A1
An electric motor drive device (42) according to the present invention comprises: a main circuit board (31) on which is mounted a power source circuit for generating drive power, which drives a compressor motor (41), on the basis of AC p...  
WO/2020/044791A1
This electric power converting system is provided with a power source device 1 for supplying electric power to a motor electric power converting device 2 which supplies electric power to a motor 3, wherein: the motor electric power conve...  
WO/2020/046853A1
A device may select an operation mode based on at least one of a motor speed, a motor transient speed, or a motor power command value. The operation mode may be selected from a group of operation modes including a single pulse mode, a co...  
WO/2020/044062A1
A drive circuit (1) comprises first and second circuit loops (7, 8) connected in parallel across a DC power supply (20) to deliver pulsed DC to the power connection arrangement (31) of an electric motor (30) which is arranged to provide ...  
WO/2020/043339A1
A method of controlling an electrical machine comprising stator windings which are re-configurable between a 3-phase configuration and a 3N-phase configuration, where n is an integer in the range of 1 to N, wherein the method comprises: ...  
WO/2020/045636A1
The objective of the present invention is for two inverters provided at each of an open winding to be controlled appropriately. A rotating electrical machine control device (1) capable of controlling each of a first inverter (11) and a s...  
WO/2020/044937A1
This control device (30) is applied to a system (100) provided with: a rotating electric machine (10) in which any of a plurality of winding patterns can be switched to a winding to be energized; and an inverter (20) connected to a DC po...  
WO/2020/041016A1
A device may receive a current measurement of a motor identifying a plurality of component currents associated with a plurality of phases. The device may determine a position estimate for the motor based on the plurality of component cur...  
WO/2020/035293A1
The invention relates to a method for operating a synchronous motor excited by permanent magnets, wherein a desired voltage vector having a desired value is calculated in such a way that the power limitation is maintained for the best po...  
WO/2020/036042A1
The present invention addresses the problem of extending the rotational speed range by increasing the inductance of a rotating electric machine. The stator of the present invention is provided with: a stator core which has a plurality of...  
WO/2020/035693A1
A control system for an electrical motor comprises a rotor, a stator having a plurality of phase windings, and an inverter for applying voltage to the plurality of phase windings by connecting individual phase windings to a first or seco...  
WO/2020/034694A1
Compared with the prior art, the present invention provides a motor parameter control system and a motor parameter control method. The motor parameter control system comprises: a forward processing module for performing linear processing...  
WO/2020/031698A1
[Problem] To reduce the size and cost of a motor and a control device. [Solution] The present invention relates to a motor for appropriately supplying one-way current to each of winding wires, and a circuit for driving the motor. Two ful...  
WO/2020/026869A1
This motor is provided with: a stator having a plurality of windings that form coils and are connected at a neutral point; a switching circuit for generating a rotating magnetic field around the stator by switching energization to the pl...  
WO/2020/021681A1
This electric motor drive device has a DC power supply circuit (20) having a variable output voltage value, a frequency variable inverter (40), and a connection switching device (60) for selecting a wiring connection, wherein switching o...  
WO/2020/022987A2
The present invention relates to a system producing a circular movement with magnetic impact area that, can be used to produce clean energy; at least one station (I) formed from the first movement block (1) and the second movement block ...  
WO/2020/023948A1
A system (20) for controlling an electric motor (22) including a rotor (24) supported by a lubricant (31) upon a stator (25) with a plurality of stator poles (29) and stator windings (28) includes monitoring a radial position (26) and ro...  
WO/2020/016074A1
The invention relates to a drive unit (1). The drive unit (1) has at least two permanently excited synchronous motors (11, 12), at least two asynchronous motors (13, 14) and a transmission unit (20). The two permanently excited synchrono...  
WO/2020/016972A1
A control apparatus (100) is provided with: a connection switching device (20) that switches the connection state of winding of a synchronization electric motor (1) during rotating operation of the synchronization electric motor (1); a c...  
WO/2020/016548A1
A method of controlling a brushless permanent magnet motor (14) includes measuring a mains power supply voltage of the motor (14). The method includes determining whether the mains power supply voltage lies within a first range represent...  
WO/2020/012680A1
Provided is a motor control device capable of reducing torque variation occurring in an overlap zone. By switching the energization of a coil corresponding to each phase of a multi-phase SR motor, the motor control device rotationally dr...  
WO/2020/012695A1
A rotating machine drive system, provided with: a rotating machine having a plurality of windings; an inverter device including an inverter circuit for converting DC power from a DC power supply into AC power and a control device for con...  

Matches 1 - 50 out of 16,968