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Matches 1 - 50 out of 31,838

Document Document Title
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...  
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...  
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...  
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...  
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 ...  
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, ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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 ...  
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...  
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 ...  
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...  
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: ...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2018/173425A1
A power conversion device that comprises: a first inverter that is connected to ends of m coil groups (m being an integer that is at least 3); a second inverter that is connected to other ends of the m coil groups; m-1 separation relay c...  
WO/2018/170302A1
A system for reducing a resonant oscillation on a direct current bus of a power inverter/converter for an electric machine having a variable frequency drive is disclosed. The system includes a battery, a first capacitor connected in para...  
WO/2018/167981A1
An inverter control device (100) for controlling an inverter (1) for driving a motor (2) is provided with: a motor rotational speed calculation means (5) for calculating motor rotational speed; a Vs calculation means (7) for calculating ...  
WO/2018/162192A1
The invention relates to a method for operating an inverter (130) for a drive system (100). The inverter (130) is designed to electrically couple a direct-current source (110) to a drive device (120) of the drive system (100). The method...  
WO/2018/163591A1
A power conversion device 100 having: a first and a second inverter 110, 140, which can be connected to at least one of a first and a second coil group 210, 220; a first separation relay circuit 120 connected to the first inverter; a sec...  
WO/2018/163922A1
According to the present invention, a low speed current sensor is used to determine where, among a motor and a cable connected to a power conversion device, a short circuit has occurred. In addition, the low speed current sensor is used ...  
WO/2018/162334A1
The invention relates to a method for regulating an electric drive (2), which comprises an electric machine (22) and an inverter (21), having the steps: determining (S 1) temperature information relating to the electric machine (22) and ...  
WO/2018/159274A1
Provided is an AC electric motor control device capable of detecting, in an AC electric motor drive device, abnormal operation of an AC electric motor or abnormal operation due to, for example, a sudden change of a load without an errone...  
WO/2018/155949A1
The present invention relates to a motor driving device and a home appliance including the same. A motor driving device according to an embodiment of the present invention comprises: an inverter which includes a plurality of upper arm sw...  
WO/2018/155278A1
A harmonic generation device according to one embodiment of the present invention is additionally connected to an electric motor which is fed with AC from an electric power trunk line connected to a power supply transformer. During opera...  
WO/2018/156432A1
A method of controlling an electric motor assembly includes receiving sensor feedback that is based at least in part on electrical properties of a variable frequency power signal provided to the electric motor assembly. The method also i...  
WO/2018/152650A1
A method, device and system for providing power supply to an electrical load within a facility, which is connected to a power grid network/island power network. The power management system includes a controller coupled to an electrical p...  
WO/2018/154763A1
The motor drive device (1) according to the present invention is provided with: a rectifier (42) for outputting DC power; inverter circuits (66) for converting DC power into AC power and outputting the AC power to a motor (3), and, durin...  
WO/2018/155332A1
A shift range control device (40) that switches shift ranges by controlling the drive of a motor (10) and comprises a first switching control unit (71), an inversion control unit (76), and a second switching control unit (77). The first ...  
WO/2018/149041A1
A permanent magnet synchronous motor drive system power converter that does not employ an electrolytic capacitor, and a control method thereof. The power converter comprises a single-phase rectifier circuit unit (A) connected to a power ...  
WO/2018/150793A1
The present invention addresses the problem of reducing output voltage errors of an inverter circuit and stably controlling a motor up to high-speed rotation. An inverter device 100 includes: a PWM controller 145 for generating a PWM pul...  
WO/2018/147402A1
A rotary electric machine control device (10 to 12) controls a rotary electric machine (80) which includes a plurality of winding sets (180, 280). Inverter circuits (120, 220) are provided for corresponding winding sets (180, 280). Power...  
WO/2018/147465A1
[Problem] To provide an electric power steering device which has a plurality of dead time (DT) compensation functions that perform DT compensation, wherein the DT compensation functions are switched between to perform compensation in acc...  

Matches 1 - 50 out of 31,838