Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 33,808

Document Document Title
WO/2020/100551A1
According to the present invention, every control cycle, a first constant generation part (53) uses a modulation factor (M) to generate a first constant (K1) that defines switching timing, and, every control cycle, a second constant gene...  
WO/2020/098281A1
Disclosed in the present application is a driving circuit controller, comprising a driving circuit board, a power supply, and a motor, wherein an integrated chip, a single chip microcomputer, twelve MOS tubes, multiple diode devices, mul...  
WO/2020/100218A1
Provided is a temperature estimation device (13) that estimates driving duty ratio considering effects of ambient temperature with respect to energization to a coil portion on the basis of the driving duty ratio and the ambient temperatu...  
WO/2020/100268A1
This method for controlling an electric vehicle is a method for controlling an electric vehicle in which a winding field synchronous motor 4, provided with a rotor having a rotor winding and a stator having a stator winding, serves as a ...  
WO/2020/100478A1
[Problem] To provide a motor control device and a motor control method with which it is possible to eliminate, as much as possible, the effect of a vibration component of a feedback current on d-axis and q-axis voltage command values Vd,...  
WO/2020/098538A1
A torque control method for a doubly salient electro-magnetic electric motor, wherein the method relates to the technical field of control over variable-reluctance type electric motors and can suppress torque pulsation and improve the to...  
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/2020/100580A1
A motor according to one embodiment is provided with an n-phase coil group (where n is an integer of 3 or higher), a first inverter connected to one end of the n-phase coil group, a second inverter connected to the other end of the n-pha...  
WO/2020/101117A1
The present invention relates to an air conditioner for reducing noise and an operating method therefor, the air conditioner comprising: a motor; a plurality of switches connected to the motor; a driving part for turning each of the plur...  
WO/2020/099377A1
Method of control of a polyphase power converter driven by an algorithm of the pulse width modulation type, in which a control parameter comprising a drive setpoint value or a pulse duration associated with a value of drive setpoint of a...  
WO/2020/100549A1
According to the present invention, every computation cycle, a first triangular wave generation part (51) generates a triangular wave on the basis of an updated phase angle that is the newest value for a phase angle that is the result of...  
WO/2020/095479A1
The present invention limits a d-axis current to an arbitrary value while avoiding duty saturation of a voltage applied to a motor. A motor control device comprising: voltage command value calculation units (45, 46) which, on the basis o...  
WO/2020/096809A1
A system and method for thermal management in a variable frequency drive is provided. Aspects include receiving, by a processor, operational data associated with a variable frequency drive, the operational data including one or more oper...  
WO/2020/095802A1
This invention comprises: a first inverter (20) having serially connected upper and lower arm switches (22, 23) for individual phases, the connection point between the upper arm switch and the lower arm switch being connected to a first ...  
WO/2020/095803A1
The present invention comprises: a first inverter (20); a second inverter (30); a high-potential-side connection wire (LU); a low-potential-side connection wire (LD); a first changeover switch (53) that is a semiconductor switch provided...  
WO/2020/096007A1
This power conversion device 100 is provided with: a power conversion unit 111 that supplies power to a pumping device 1; a data acquisition unit 121 that acquires speed data corresponding to the driving speed of the pumping device 1 and...  
WO/2020/095450A1
This power conversion device 100 is provided with: a power conversion unit 111 that supplies power to a pumping device 1; a data acquisition unit 121 that acquires speed data corresponding to the driving speed of the pumping device 1 and...  
WO/2020/096385A1
A device and a method for controlling a brushless direct current (BLDC) motor, according to an embodiment of the present invention, comprise: a BLDC motor using a three-phase power source; a current measuring unit for measuring a current...  
WO/2020/095390A1
A motor drive device (80) is connected to a motor (30) by a first connection line, a second connection line, and a third connection line, which respectively correspond to a first phase, a second phase, and a third phase, the motor drive ...  
WO/2020/095377A1
A control device (100) of a load driving device (300) has a voltage command computing unit (115). The voltage command computing unit (115) includes a filter (134) preceding a speed controller (135). Based on a mechanical angular phase in...  
WO/2020/095505A1
The present invention addresses the problem of providing a motor driving method which uses a two-phase energization method (energization method with less induced voltage clamp) for eliminating an open-phase brake current and optimizing c...  
WO/2020/068022A3
This invention is related to a single phase inverter which enables converting the direct current voltage to alternating current voltage, allowing the energy obtained from photovoltaic (PV) panels to be transferred to the voltage of the g...  
WO/2020/088991A1
The invention relates to a method and a converter (1) for controlling a multi-phase electric machine (3). Each phase voltage of the electric machine (3) is generated with two electronic switches (9, 10) interconnected to form a half brid...  
WO/2020/090220A1
A driving device (20) for a rotary electrical machine includes: a first inverter (22) that is provided with a plurality of first switching elements (24-34) that correspond to respective phases of the rotary electrical machine (10) includ...  
WO/2020/084970A1
A motor control device according to an embodiment is equipped with: a diode bridge circuit for rectifying an AC voltage supplied from a single-phase AC power source; a valley-fill circuit an input terminal of which is connected to an out...  
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/2020/079983A1
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/2020/079999A1
This motor drive device (200) comprises: a power conversion circuit (204) which drives an AC motor; and a controller (203) which controls the power conversion circuit. The controller has: a command current calculation unit (206) which ge...  
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/2020/075322A1
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/2020/077084A1
A system includes an electric motor, at least one pair of high side and low side switches connected to the electric motor, and a microcontroller connected to the high side and low side switches. t least the low side switches have a minim...  
WO/2020/071081A1
A random value integration unit 175 calculates the product of the output of a random value generation unit 174 and the output of a diffusion width generation unit 173, thereby outputting a random value output from the random value genera...  
WO/2020/070421A1
The invention concerns a method for controlling an assembly of at least two inverters (1a, 1b) in an electricity generating system with parallel inverters. The method comprises the implementation by at least one data processing unit (2a,...  
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/2020/065221A1
The invention relates to a control circuit (1) of an electric motor (4), the control circuit (1) comprising a filtering device (13) in order to filter the high frequencies which are capable of generating electromagnetic radiation which i...  
WO/2020/064098A1
In order to achieve the energy efficiency class IE4 defined in the IEC standard 60034, it is necessary to operate permanently excited synchronous machines directly from the power supply system. Since this is not readily possible, soft st...  
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/2020/066031A1
This motor drive device (100) is provided with: a reactor (2); a converter circuit (3) which converts an AC first voltage outputted from an AC power supply (1) to a DC voltage; a capacitor (4) which smooths a second voltage, which is a v...  
WO/2020/066182A1
One embodiment of this driving control device comprises: an inverter that supplies power to a motor through an on/off action of a switching element; a smoothing capacitor; and a control unit, wherein when the temperature of the smoothing...  
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/2020/064099A1
In order to achieve the energy efficiency class IE4 defined in IEC standard 60034, it is necessary to operate permanently excited synchronous machines directly from the mains. Since this is not readily possible, soft-starting devices com...  
WO/2020/063173A1
Disclosed in the present invention is a self-charging hybrid power variable frequency drive device, comprising a rectifying unit, a filter energy storage unit, a charging control unit, and a variable frequency drive unit, wherein the rec...  
WO/2020/065918A1
In this invention, a PWM control unit (4) generates a signal for controlling a switching element of individual legs on the basis of the size relationship for a triangular wave carrier of a common period at an initial phase that differs f...  
WO/2020/062837A1
The present invention relates to the application field of semiconductor devices, and disclosed thereby is an inverter system. The inverter system according to the present invention comprises an inverter and a pre-conditioning circuit; th...  
WO/2020/066266A1
A driving device (20) for a rotary electric machine comprises: a first inverter unit (24) that is equipped with high-potential-side switching elements (24, 28, 32) and low-potential-side switching elements (26, 30, 34) corresponding to e...  
WO/2020/059676A1
This shift range control device (40) is provided with drive circuits (41, 42) and a control unit (50). The drive circuits (41, 42) have switching elements (411-416, 421-426) for switching the electrical conduction of motor windings (11, ...  
WO/2020/059467A1
The present invention reduces stress in the radial direction when a motor is rotating. When the rotational speed (ωm) of the motor is a first speed (v5), the value of the amplitude (|Vs|) of an applied voltage (Vs) is obtained by multip...  

Matches 1 - 50 out of 33,808