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WO/2020/161945A1 |
The present invention addresses the problem of providing a power conversion device including a plurality of inverter circuits connected in parallel with a load, wherein said power conversion device can be controlled by a smaller number o...
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WO/2020/162828A1 |
A stator of an SRM is disclosed. The stator includes two or more pairs of diametrically opposite stator poles and two or more stator windings. Each stator winding is wound around each pair of diametrically opposite stator poles. The wind...
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WO/2020/158128A1 |
This rotating electric machine drive device (20) is provided with: a first inverter unit (22) equipped with a plurality of switching elements (24-34) corresponding to the respective phases of a motor/generator (10); a second inverter uni...
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WO/2020/158264A1 |
This transfer device comprises: a coil drive unit 212 and drive circuit 50 which apply a voltage to a plurality of coils 25 which generate a thrust for transferring the permanent magnet 10; a position estimation unit 210 which estimates ...
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WO/2020/153152A1 |
A micro computer stores offset correction values that correct offset of detected current associated with pulse shift for each of maximum phase detection current having the longest energization time among three phases and minimum phase de...
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WO/2020/153313A1 |
The purpose of the present invention is to provide a power conversion device capable of reducing noise that occurs when increasing the temperature of a storage battery is controlled. This power conversion device (10) is provided with: a ...
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WO/2020/152807A1 |
The present invention is provided with: a connection switching device (7) that switches the connection state of stator winding wires (11-13) of a rotary machine (1); a current detection unit (4) that detects a rotary machine current flow...
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WO/2020/152785A1 |
This motor control method for a winding field type synchronous motor comprising a rotor having a rotor winding and a stator having a stator winding controls stator current flowing through the stator winding and rotor current flowing thro...
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WO/2020/149293A1 |
This drive device (1) is provided with: a motor (80); a control unit (20); a connector unit (35) for connecting the control unit (20) to external connectors (161, 162); a cover (21) that is a member separated from the connector unit (35)...
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WO/2020/147742A1 |
A linear motor drive chip braking method and apparatus, the method comprising: when the value of a first enabling signal is a first preset value and the time for which a counter-electromotive force is not over zero is shorter than or equ...
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WO/2020/145078A1 |
This control device controls a rotating electric machine that comprises a rotor having a magnet part and a stator having a slotless structure with a stator winding. The control device comprises a temperature estimation unit (S10, S20), a...
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WO/2020/144352A1 |
The invention relates to a linear drive for pigmentation devices, comprising a stator (1), an air gap (7) which is provided in the stator and is formed so as to be offset in a defined manner, an electric coil (2) within the stator (1), s...
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WO/2020/139820A1 |
A system includes a motor having a plurality of windings, a rotor and a stator magnetically coupled to the rotor, a plurality of power inverters connected to respective windings, wherein the plurality of power inverters is configured to ...
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WO/2020/129170A1 |
The present invention comprises: switches (61, 62, 63), which are mechanical switches that can switch the connection state of a motor (7); an inverter (30), which generates AC voltage from DC voltage and outputs the AC voltage to the mot...
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WO/2020/129651A1 |
An electric motor system 1 is provided with: a battery 10; an inverter 12; an electric motor 14; a zero-phase switching arm Z; and a control unit 18. The inverter 12 converts a DC power output from the battery 10 into a three-phase AC po...
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WO/2020/128029A1 |
The invention relates to a system (1) for controlling a voltage converter comprising a plurality of top side switches forming a top set and a plurality of bottom side switches forming a bottom set, the control system (1) comprising: - a ...
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WO/2020/126405A1 |
A method of controlling a BLDC electric motor having a stator and a rotor, the stator having a plurality of magnet coils, the rotor having a permanent magnet driven by the plurality of magnet coils, comprising a) supplying a voltage to a...
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WO/2020/125072A1 |
A stepless speed regulation circuit and a stepless speed regulation method. A stepless speed regulation circuit for a drive motor, comprising: a switch circuit (11), wherein the input end thereof is used for receiving a unidirectionally ...
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WO/2020/126521A1 |
Inverter assembly (2) for an electric machine (3), comprising a DC link (4), a first power section (8) configured to convert power supplied to the DC link (4) into a first multiphase AC current (10) for a first winding system (16) of the...
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WO/2020/121342A1 |
A process is described for calibrating electric machines comprising the steps of: switching on an inverter connected to the electric machine, for rotating the rotor; driving the electric machine till the rotor reaches a rotation speed (Ï...
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WO/2020/122110A1 |
This vibration control device comprises: a soft magnetic rotor that is fixed to an output shaft of a rotation drive part or to a shaft rotating in conjunction with the rotation of the output shaft, and rotates according to the rotation o...
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WO/2020/115786A1 |
Provided is a conveying device having a curved conveying path, which can improve the degree of freedom in design.　The conveying device comprises a fixed unit having a position information source reading unit and a plurality of stators ...
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WO/2020/115416A1 |
A smart motor (10) comprising a permanent-magnet synchronous machine (12, 12', 12") and an electronic control unit (18), the synchronous machine (12, 12', 12") comprising one or two permanent-magnet rotor(s) (121, 1211, 1212) and at leas...
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WO/2020/109276A1 |
The invention relates to a device and a method for determining a path of travel (610, 620) for at least one mover (200, 513) over a drive area (510), wherein: the mover (200, 513) comprises at least one second magnetic field generator (2...
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WO/2020/111043A1 |
A control device with which, using an electromagnetic actuator, it is possible to reduce costs and machine thickness while being able to efficiently generate thrust that is suitable for tactile feedback to an operator who operates the ma...
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WO/2020/108692A1 |
The invention relates to an electric motor, comprising a stator (1) and a rotor (2), wherein: the rotor (2) has permanent magnets (3) capable of magnetic reversal; the stator (1) is divided into n portions (4) over the circumference of t...
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WO/2020/107128A1 |
A control system for an electric motor in a manufacturing environment, the control system including: a safety relay; and a power reduction circuit, wherein, when the safety relay is triggered, the power reduction circuit automatically li...
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WO/2020/107731A1 |
The present application relates to the field of compressor control, and disclosed therein is a compressor flux-weakening control apparatus, comprising: a main circuit unit and a compressor, the main circuit unit providing a power supply ...
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WO/2020/105204A1 |
This power conversion device has: a harmonic voltage generation unit for superimposing, according to a switching signal, dc-axis and qc-axis harmonic voltages on dc-axis and qc-axis voltage commands; and an inductance estimation unit for...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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