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Matches 401 - 450 out of 31,509

Document Document Title
WO/2016/019007A1
A method of controlling a pair of inverters connected in parallel and providing power to a motor. The speed of the motor is adjusted by varying the amplitude or frequency of the voltage supplied by each of the inverters to the motor. The...  
WO/2016/017304A1
A power conversion device is equipped with: a high-pass filter (12) for extracting an AC component of the voltage (Vdc) of a DC link unit (5); a multiplier (13) for multiplying the output (VdcAC) from the high-pass filter (12) by a first...  
WO/2016/009976A1
[Problem] To provide a motor control device that does not cause abnormal noise, vibration, and a sense of discomfort in the steering operation by switching the parameters of a current feedback control unit even if motor electric response...  
WO/2016/009262A1
A controller for an electric motor system is provided. The electric motor system includes a DC power supply, a power converter, a smoothing capacitor, a three-phase AC motor, and a current sensor. The controller includes an electronic co...  
WO/2016/006613A1
This motor control device, which controls a motor that drives a load element having periodic load torque variation, is provided with a detection unit that detects the amplitude of a current driving the motor, and a correction unit that c...  
WO/2016/006439A1
The objective of the present invention is to cause parameters related to a desired rotational speed and the fluctuating load factor of an electric motor of an electric vehicle to be adjusted via an optimization algorithm, and carry out e...  
WO/2016/002053A1
This power converter is provided with: an MLC circuit (3) which boosts the input voltage (Vdc) from a three-phase rectifier (2); a smoothing capacitor (4) which smoothes the output of the MLC circuit (3); an inverter control unit (7f) wh...  
WO/2016/002340A1
The purpose of the present invention is not only to reduce ripple current but also to improve operation efficiency by reducing heat generation. When n is defined as an integer of 2 or more, a motor control device of the present invention...  
WO/2016/002074A1
A power converter (10) that outputs AC power so as to drive an electric motor (6). Said power converter (10) is provided with a switching circuit (12) and a driving control circuit (16). By driving MOSFETs (13u, 13v, 13w, 14u, 14v, 14w),...  
WO/2015/198455A1
A positioning control device according to an embodiment of the present invention is provided with: a converter that rectifies an AC power supply and outputs the result between buses; a smoothing capacitor that smoothes the output of the ...  
WO/2015/199104A1
The purpose of the present invention is to continue to drive a motor while suppressing drive torque ripple generated by the motor, when any of the phases is opened during the driving of the motor. A motor drive device (200) controls the ...  
WO/2015/195195A3
A direct current (DC) electric motor assembly with a closed type overlap stator winding which is commutated with a timed commutating sequence that is capable of generating a stator rotating magnetic field. The coil overlap of the winding...  
WO/2015/194198A1
[Problem] The purpose of the present invention is to provide a vehicle-use control device in which a sensor can be serviced without the use of specialized circuits or test modes. [Solution] A vehicle-use control device of an embodiment o...  
WO/2015/193003A1
The present invention provides a bidirectional voltage converter. The voltage converter comprises at least four modes of operation for converting a DC voltage into a voltage for actuating an electric machine or for converting a generator...  
WO/2015/194493A1
Disclosed is a power conversion control device whereby an attenuation coefficient of voltage fluctuation of a direct current link is maintained at a desired value, irrespective of the magnitude of an impedance on the power supply side. A...  
WO/2015/194013A1
In order to obtain an AC motor drive system wherein a converter (11) reliably regenerates electricity to a grid power supply (10), this AC motor drive system comprises a charge/discharge control unit (2) that controls a charge/discharge ...  
WO/2015/193586A1
The method according to the invention calls upon a rotary electric machine (1) comprising a drive member (3) and a transmission member (4) of the belt or chain type, collaborating with the drive member and with the combustion engine (2) ...  
WO/2015/190192A1
Provided are: a motor control device that can highly reliably protect a motor release switch which is configured to be compact using a semiconductor switching element; and an electric power steering device equipped with such a motor cont...  
WO/2015/190150A1
The purpose of the present invention is to obtain a control device for an alternating-current rotary machine, the control device for performing position-sensorless control by using inductance saliency, wherein there is no loss of salienc...  
WO/2015/186406A1
The purpose of the present invention is to provide a periodic disturbance automatic suppression device which suppresses torque ripple while correcting current sensor error. This periodic disturbance automatic suppression device is provid...  
WO/2015/180151A1
Provided are a multi-machine frequency converter operation control method, and a multi-machine frequency converter; said multi-machine frequency converter comprises a master control unit and M1 execution units generating synchronization ...  
WO/2015/182659A1
 The present invention obtains a multigroup polyphase driver system with which it is possible to significantly reduce overall system loss. The present invention is provided with: an electric power converter for mutually converting dire...  
WO/2015/181868A1
Provided is a rotating electric machine assembly body in which the number of components used for temperature management is reduced and the temperature management is facilitated by thermally integrating an electric motor and an inverter. ...  
WO/2015/182157A1
A hybrid propulsion system (10) for a mobile object is provided with an motor generator (19), a first power converter (25a), a second power converter (25b), and a controller (14), the controller including a first power command value outp...  
WO/2015/182446A1
Provided is an elevator car movement control device capable of determining a light load direction without using a load sensor and a torque sensor at the time of a power failure and moving a car. A control unit of an inverter (80) for sup...  
WO/2015/176899A1
A non-linear load (2) is supplied with electric power by means of a power supply device (1). The non-linear load (2) is in the form of an arc furnace (25) having an upstream furnace transformer (26). The power supply device (1) has a plu...  
WO/2015/173892A1
 Provided is an electric motor drive system, wherein the system is simplified by stopping on and off controls of commercial drive commands and carrying out commercial synchronous turn-on and parallel-off controls according to a drive s...  
WO/2015/169479A1
The present invention provides a device and a method for changing the operating state of an electric machine to the free-wheeling mode, in which significant excessive increases in voltage can be avoided. In the freewheeling mode, the ind...  
WO/2015/165622A1
The invention relates to a control device for an electric motor having at least one phase, said control device comprising: a power unit which, for each phase of the electric motor, has a first switching element and a first flyback elemen...  
WO/2015/166546A1
Provided is an AC rotating machine control device that reduces reverse torque when shifting to a sensorless control based on an estimated rotational position or prevents the failure of an AC rotating machine and a drive circuit for the A...  
WO/2015/166528A1
The purpose of the present invention is to obtain a control device and a control method for an AC rotating machine, in which a voltage command can be used up to a saturation voltage in each of winding sets even when the parameter differe...  
WO/2015/162718A1
This control device for an AC rotating machine is provided with: voltage imparting parts (3, 4) that impart a voltage to two sets of three-phase windings of the AC rotating machine (1); a control unit (5) that outputs a voltage command t...  
WO/2015/162649A1
A rotating electric machine power supply device (100) for supplying power to a rotating electric machine (1) has: an AC power generation unit (20) for generating AC power; and a DC bias power generation unit (10) for supplying an amount ...  
WO/2015/159694A1
The purpose of the present invention is to reduce voltage error caused by dead time and electrically derive the magnetic pole position of a rotating electric machine at a good accuracy while suppressing an effect on the operational effic...  
WO/2015/159376A1
Provided is a power conversion device capable of more quickly and more easily determining a rotation condition during idling of a rotor of an electric motor. A power conversion device (101) comprises a power converter (103) that is provi...  
WO/2015/156347A1
In a motor drive device (30), a motor drive unit (38) outputs drive voltages (SU, SV, SW) to a motor portion (24). A switching unit (42) switches between the conduction and disconnection of a GND wire (L1) connecting the lower potential ...  
WO/2015/156090A1
The present invention relates to an electric motor control device equipped with a plurality of energization systems each constituted by an inverter and windings corresponding to a plurality of phases and to a control method. The control ...  
WO/2015/156003A1
Provided is a vector control device that prevents a situation requiring a restart from occurring and can perform a stable torque control operation even when DC voltage fluctuation occurs. A voltage modulation factor calculation unit (11a...  
WO/2015/153778A1
A method for limiting the torque of a permanent magnet AC motor includes a torque limit controller. The torque limit controller at least in part bases the torque limit on a selected direct voltage limit. The selected direct voltage limit...  
WO/2015/146841A1
In the present invention, a current command value setting unit (136) uses first and second magnetic interference models to calculate current command values (Iin_d_ref, Iin_q_ref) for a rotor winding (30) and current command values (Iout_...  
WO/2015/146197A1
Provided in the present invention is a storage unit (62) for storing, in association with the phase angle (θin) of a voltage (Vin) from an AC power source (30), a plurality of values correlating with a disturbance distorting a current (...  
WO/2015/147019A1
A power amplifier for a servo motor, said amplifier provided with: a DC power supply (E0); a bridge circuit having a plurality of switching elements, the bridge circuit being connected to a U-phase coil (Lu), a V-phase coil (Lv), and a W...  
WO/2015/142145A1
A pre-charging and voltage supply system for a DC-AC inverter is provided. The system includes a first battery having a first anode and a first cathode, and a second battery having a second anode and a second cathode. The system further ...  
WO/2015/141241A1
An electric leakage detection device for an in-vehicle power supply system includes: a detection signal generation unit for applying an AC voltage to a voltage application point on a wire connecting a power conversion circuit and a power...  
WO/2015/141795A1
An electric motor control device (100) comprises an electric motor (10), a control device (40), and a motor drive circuit (50). The electric motor (10) includes: a motor rotor (20); a motor stator (30); and a plurality of coil groups tha...  
WO/2015/141235A1
This power sensor has a magnetic element that has a magnetic film, which is patterned in an oblique direction at a conductor, a first element terminal, which is connected to one end of the conductor, and a second element terminal, which ...  
WO/2015/141482A1
Provided are a power steering device and a control device for a power steering device with which the amount of power consumption can be reduced. This power steering device comprises a current detection number setting circuit that: when a...  
WO/2015/140867A1
A motor drive control device comprises: a three-phase rectifier (11); a booster circuit (13) having a reactor (21), a switching element (23), and a reverse current prevention element (27) and boosting a DC bus voltage supplied from the t...  
WO/2015/136989A1
The present invention relates to a motor control device provided with multiple power systems, and to a motor control method. Each power system is provided with a winding group configured from windings corresponding to multiple phases and...  
WO/2015/136918A1
Provided is a motor control device capable of more reliably detecting a short-circuit failure of at least one of a motor current cut-off unit and a power supply cut-off unit independently with, for example, the driving status of a motor ...  

Matches 401 - 450 out of 31,509