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WO/2019/008637A1 |
Provided is a power conversion device having a first multi-phase inverter and a second multi-phase inverter which receive the supply of a DC voltage Vdc output from a DC power supply and perform power conversion to output an AC voltage. ...
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WO/2019/008756A1 |
The purpose of the present invention is to obtain a motor drive system capable of detecting an erroneous wire connection state. The motor drive system (100) for driving a motor (4) equipped with a plurality of stator windings (41, 42, 43...
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WO/2019/008932A1 |
The present invention addresses the problem of ripple current (ripple) occurring in the zero-phase current and increasing loss. A motor control system 1 is provided with: an inverter 100 for driving a motor 200 equipped with independentl...
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WO/2019/009195A1 |
The number of a plurality of coils of a consequent motor is a multiple of 6 and the number of a plurality of magnetic poles is an odd number of 3 or more. A control unit includes a first inverter that controls a current supplied to a fir...
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WO/2019/006452A2 |
An electrical combination, a power tool system, an electric motor, a battery pack, and operating and manufacturing methods. The electrical device may include a device housing, a motor supported by the device housing, the motor having a n...
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WO/2019/001915A1 |
A drive train for an electrically operated vehicle, having an electric motor (20), a first energy store (12) and a second energy store (14) which are each electrically connected to the electric motor (20), a first inverter (16) and a sec...
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WO/2018/235190A1 |
A thyristor startup device (100) is configured so as to accelerate a synchronous machine (20) from a stop state to a predetermined rotational speed by sequentially executing a first mode in which an inverter (2) is commutated by intermit...
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WO/2018/235187A1 |
A thyristor starting device (100) for accelerating a synchronous machine (20) from a stopped state to a prescribed rotation speed by sequentially executing a first mode for performing inverter (2) commutation by intermittently switching ...
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WO/2018/235586A1 |
A control device (30) is provided with: a pre-changing control unit for, when the number of poles before changing is selected as the number of poles of a rotating electric machine (10), controlling the currents flowing through stator win...
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WO/2018/229793A1 |
In one embodiment of the invention, two sets of identical stator windings are placed 30 electrical degrees apart and a third winding rated for lower voltage arbitrarily placed with respect to the former windings. A machine with tapped st...
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WO/2018/230542A1 |
[Problem] To provide a vector control-type motor control device that compensates for inverter dead time without requiring a tuning operation, improves current waveform distortion and current control responsiveness, and suppresses noise, ...
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WO/2018/230541A1 |
[Problem] To provide a vector control-type motor control device that compensates for inverter dead time without requiring a tuning operation, improves current waveform distortion and current control responsiveness, and suppresses noise, ...
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WO/2018/229874A1 |
A motor drive device (2) is provided with: a single-phase inverter (11) that applies AC voltage to a single-phase motor (12); a position sensor (21) that is attached to the single-phase motor (12) and that detects a rotor magnetic pole p...
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WO/2018/227307A1 |
A switching circuit for controlling charging input from a DC source to at least one inverter circuit, each inverter circuit corresponding to at least one respective battery, the switching circuit is provided with a switching device which...
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WO/2018/227270A1 |
A system for providing both driving and charging functionality by using a plurality of traction inverters and a plurality of energy storage devices coupled to one another across the electric motor; an AC/DC converter front-end circuit in...
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WO/2018/225402A1 |
When the present invention is started for use in a debugging mode such as parameter correction, the user enjoys both ease of use, due to operation being possible in a simple environment, as well as security. A power conversion device of ...
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WO/2018/227121A1 |
A load control device may control power delivered from a power source, such as an alternating-current (AC) power source, to at least two electrical loads, such as a lighting load and a motor load. The load control device may include mult...
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WO/2018/226025A1 |
The present invention relates to a motor driving apparatus and, more specifically, to a motor driving apparatus for selectively performing identical phase overmodulation compensation or minimum distance overmodulation compensation accord...
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WO/2018/220968A1 |
A control apparatus for an AC motor (10) comprises: a correction unit (220) that calculates a correction voltage for compensating for an output voltage error of a power converter (3) and corrects a voltage command; a voltage error featur...
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WO/2018/222398A1 |
According to one aspect of the invention, a motor control system for driving a motor for a powered air purifying respirator (PAPR) is provided. The motor control system includes a control printed circuit board assembly (PCBA) including a...
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WO/2018/210869A1 |
The invention relates to an inverter (1) having an intermediate circuit capacitor, the terminals of which are connected to supply lines (3, 4) for power supply and to a switching device (10) comprising a plurality of half-bridges (13), w...
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WO/2018/212219A1 |
Provided is a motor driving device having: a drive unit; a switching circuit for switching the path between a power supply and the drive unit to a conductive state and a cutoff state; an output circuit for outputting a voltage for instru...
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WO/2018/208057A1 |
Provided is a conductive noise suppression device which suppresses noise deterioration caused by a frequency of conductive common mode noise. A suppression unit (100) comprises: a first coil unit (110) for detecting a noise current of a ...
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WO/2018/207748A1 |
A drive shaft (20) rotationally drives a load. A drive support unit (50) rotationally drives the drive shaft (20) by an electromagnetic force generated by the passage of a current within a predetermined current range, and also supports, ...
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WO/2018/209009A1 |
An improved hybrid drive apparatus with a switched reluctance hub motor. The switched reluctance motor eliminates any drag caused by the existing magnetic fields of the motors used in the prior art by turning off the magnetic fields when...
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WO/2018/207330A1 |
An electric power steering device according to the present invention comprises: a multi-phase coil electric motor that causes a steering mechanism of a vehicle to rotate; and a control unit that has a plurality of inverter circuits drivi...
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WO/2018/203393A1 |
A control device for a motor, comprising: a power converter 4 for performing ON/OFF control on an upper switching element and a lower switching element in accordance with a drive command from a current controller 3, and thereby supplying...
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WO/2018/198739A1 |
A motor drive device for driving a motor, wherein: the motor drive device has a control unit for outputting a drive signal instructing the amount by which a motor is to be driven, a drive unit including a plurality of inverter circuits f...
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WO/2018/198928A1 |
A motor control apparatus 32 has: an on/off switch 22; a main control unit 36; a motor control circuit 38; an operating voltage generation circuit 40; a SW/AC monitoring unit 46; and an operating voltage monitoring unit 48. The SW/AC mon...
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WO/2018/198805A1 |
This fluid control device is provided with a motor which drives a fluid machine, and a motor control unit which controls the rotation of the motor. The motor control unit is provided with: a torque detecting unit which detects the torque...
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WO/2018/201118A1 |
An integrated power and electronics unit (IPEU) operable for providing output power for driving an electric motor of a drilling rig machine. The IPEU comprises a housing, a radiator, and a VFD. The radiator is mounted within the housing ...
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WO/2018/195003A1 |
The present invention discloses a vehicle. The vehicle includes an AC electric machine configured to generate traction driving force, a DC bus configured to provide a DC voltage, an inverter, and a controller. The inverter is coupled wit...
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WO/2018/191108A1 |
The systems and methods described herein relate to electrical circuits. A system (e.g., inverter current system.) is provided. The system includes plural inverters connected to a common bus and at least one capacitor. The inverters are c...
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WO/2018/186686A1 |
Disclosed herein are a compressor driving apparatus and a refrigerator including the same. A compressor driving apparatus includes: a plurality of switching elements; an inverter for converting direct current (DC) power into alternating ...
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WO/2018/184814A1 |
The present invention relates to an inverter arrangement and to the actuation of an inverter by means of space vector modulation. In this case, a voltage space vector that is to be formed can also be formed, in particular, through combin...
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WO/2018/187346A1 |
A drive circuit for an electric pump motor is provided. The drive circuit includes an inverter and a contactor. The inverter is configured to supply variable frequency current to the electric motor. The contactor is configured to supply ...
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WO/2018/185877A1 |
This motor control device is provided with: a power conversion circuit which applies a voltage to a motor in response to a voltage command value; a current detection means which outputs a current detection value, i.e. a value obtained by...
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WO/2018/180238A1 |
A power conversion device converts a power from a power supply to a power supplied to a motor having n-phase (n is an integer of 3 or more) windings, one ends of which are connected to each other in a Y-connection, and is provided with: ...
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WO/2018/179662A1 |
The present invention relates to a method in which, when converting power supplied from a power supply to a power for driving an AC rotating electric machine, an output voltage is raised with the increase of the rotational speed of the A...
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WO/2018/181332A1 |
The objective of the present invention is to reduce noise in the audible band generated in a rotating electrical machine in accordance with a carrier frequency, while suppressing a deterioration in the overall electrical efficiency of an...
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WO/2018/177732A1 |
The present invention relates to a 3-level power module (6) comprising a baseplate (8), a 3-level inverter circuit (1a), the 3-level inverter circuit (1a) being arranged on the baseplate (8), and a phase output connector (9a). The object...
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WO/2018/179197A1 |
A CPU for calculating a control amount for controlling an electric motor is configured so as to, when detecting an abnormality of a region relating to the control of the electric motor, calculate the control amount different from that du...
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WO/2018/181506A1 |
According to the present invention, a compressor electric motor is caused to generate preheat. The path of an integral value over time of a unit voltage vector constituting a voltage vector serving as a unit which is a constituent of an ...
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WO/2018/180237A1 |
This power conversion apparatus is provided with: a first inverter; a second inverter; and a switching circuit that has a first switch element and a second switch element, wherein, in a state where potentials at a first node on the high ...
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WO/2018/180328A1 |
In the present invention, a brake device 1 has: an inverter 12 for driving an electric motor 11; an inverter actuation circuit 15 for actuating the inverter 12; a power supply 3 for supplying electric power to the inverter actuation circ...
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WO/2018/173274A1 |
An inverter device (1) comprises an electric power conversion part (10) that generates an AC voltage that drives a motor (3), a load detection unit (21) that detects the load on the motor (3), and a driving control unit (20). The driving...
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WO/2018/173469A1 |
A motor system has a first solid-state relay and a second solid-state relay that are disposed sequentially from an inverter toward an in-vehicle battery and are connected in series between the inverter and the in-vehicle battery, said in...
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WO/2018/173981A1 |
Provided is a vehicular motor control device capable of driving an ACG motor starter using, as power sources, a battery and capacitors having different rated voltages from each other. A second rated voltage (V2) of the capacitors (E1, E2...
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WO/2018/173591A1 |
[Problem] To provide a motor drive device effective for more simply and accurately interrupting regenerative current. [Solution] A motor drive device 10 for controlling a motor 13 driven by a battery 20 is provided with an inverter circu...
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WO/2018/173424A1 |
A power conversion device that comprises: a first inverter that is connected to ends of a first coil group; a second inverter that is connected to ends of a second coil group; a separation relay circuit that is connected to other ends of...
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