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WO/2021/151950A1 |
The invention relates to a method (100) for controlling an electric machine (204) with a harmonics controller (200), which comprises an input stage (210), a controller (220) and an output stage (230), comprising the following steps: dete...
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WO/2021/151204A1 |
A switching circuit of a motor drive includes a high-side switch configured to selectively conduct current between a DC positive conductor and an output conductor, and a low-side switch configured to selectively conduct current between t...
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WO/2021/153050A1 |
A control device 60 comprising a PWM generation unit 63 that outputs a PWM drive signal to an inverter 40, and a torque limiting unit that outputs a limited torque command to the PWM generation unit 63 on the basis of a motor temperature...
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WO/2021/147578A1 |
A sliding control mode circuit of a motor with gravity compensation for fire and smoke curtain, comprising a controller (1), a two-way relay (2), a motor coil (3), a bridge stack (4), a capacitor (5) and a MOS transistor (6); a normally ...
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WO/2021/149203A1 |
This motor control device is provided with a rectifier circuit, an inverter, a smoothing circuit, a voltage detection circuit for detecting the voltage of a bus line, a first amplitude detection unit (40), a power calculation unit (41), ...
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WO/2021/149657A1 |
A motor control device (40) controls the driving of a motor (10) having a motor winding (11), and is provided with an angle computing unit (51), a drive control unit (53), and an anomaly diagnosing unit (58). The angle computing unit (51...
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WO/2021/149315A1 |
The purpose of the present invention is to provide an electric parking brake device and an electric parking brake control method capable of accelerating data measurement, suppressing influence of load fluctuation during idling, and achie...
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WO/2021/145222A1 |
This power conversion device is provided with: a current measurement unit for measuring current flowing through a rotating machine; an analysis object amount calculation unit for calculating an analysis object amount from the current mea...
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WO/2021/140846A1 |
The present invention comprises: a pump; a motor that drives the pump; a motor drive unit that has a switch element and drives the motor by electric power output from the switch element; and a control unit that outputs, to the motor driv...
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WO/2021/141799A1 |
A method includes transmitting an instruction to a motive power supply of an elastically deformable device to drive the elastically deformable device in accordance with a drive setting; measuring a force exerted on the elastically deform...
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WO/2021/135738A1 |
A motor control system and a motor control apparatus, the system comprising a drive unit, a standby control unit, and a power unit, the drive unit being electrically connected to the power unit and being used for converting received a lo...
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WO/2021/136279A1 |
An electric motor control system and a vehicle. The electric motor control system (1) comprises an electric motor drive module (10), a multi-core processing module (20) and a safety logic module (30), wherein the multi-core processing mo...
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WO/2021/137259A1 |
A control method of an electric machine {20) is described, comprising a first step of detecting the angular position (Θ) of a rotor of the electric machine (20); a second step of detecting the values of the alternate current (ia, ib? ic...
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WO/2021/131598A1 |
According to the present invention, misrecognition of oil temperature is avoided, and the cooling capability of an electric component is appropriately controlled. A control device that controls cooling of a dynamo-electric machine for ...
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WO/2021/122037A1 |
A method of protecting a converter (110) of a wind turbine and a respective protection system are provided. The converter (110) is coupled to a generator (20) of the wind turbine to perform conversion of electrical power produced by the ...
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WO/2021/125528A1 |
The present invention relates to a double wound motor and a control method therefor, and comprises: a first inverter and a second inverter for supplying phase currents respectively to a first wound unit and a second wound unit of the dou...
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WO/2021/124603A1 |
This motor control device supplies electric power to a motor, and is provided with a storage unit that stores position correction data and information about the machine origin position of the motor. The motor control device generates a c...
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WO/2021/122193A1 |
The invention relates to a method for determining the angular speed and/or the angular position of an electric machine rotor by a step of determining the harmonics, which is carried out by means of a closed loop which comprises a harmoni...
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WO/2021/118112A1 |
A current measurement apparatus for a three-phase inverter, according to one embodiment of the present invention, comprises: a current detection element connected to a lower end of one of three lower switches constituting the inverter; a...
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WO/2021/117303A1 |
A pulse voltage generator 7 calculates a corrected pulse voltage application time Ton'. The pulse voltage generator 7 also outputs, for the duration of the corrected pulse voltage application time Ton', a voltage vector closest to a roto...
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WO/2021/117683A1 |
This motor drive control device (102), in which a power distribution system for energizing a motor (101) having a plurality of independent winding sets (101A, 101B) is provided for each of the winding sets, is equipped with: sensors (14A...
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WO/2021/115712A1 |
The invention relates to a method for operating an electric machine in the form of a synchronous machine of a motor vehicle, which machine can be operated in an efficient operating mode which is optimum in respect of power dissipation, a...
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WO/2021/118956A1 |
Battery configuration for gas engine replacement device. One embodiment provides a gas engine replacement device (10) including a housing (14) and a first battery pack (50) and a second battery pack (50) connected to the housing (14). Th...
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WO/2021/115076A1 |
A motor function safety control method and device, being suitable for the technical field of motor drive control. Said method comprises: acquiring control command data sent by a host computer (S101); acquiring operating data of a motor (...
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WO/2021/111856A1 |
A power conversion device 1 is provided with: a motor 5; a power conversion circuit 10 for supplying drive power to the motor 5 of a device 2 having an object 4 to be driven by the motor 5; a generated torque calculation unit 114 for cal...
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WO/2021/109898A1 |
A double-phase winding power-on heating method of a three-phase compressor (3). The method comprises the steps: acquiring a last power-on winding combination of the three-phase compressor (3); and on the basis of an acquired result, enab...
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WO/2021/106430A1 |
This processing device: acquires, in a state of applying voltage for increasing the temperature of a winding to a predetermined temperature, a first increase transition which is an increase transition of the temperature of the winding, a...
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WO/2021/106250A1 |
The present invention estimates, stably and with high reliability and with no risk of calculation overflow, the estimated value of a frequency of a vibration component, without depending on the size of the amplitude of the vibration comp...
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WO/2021/106346A1 |
Provided are a lathe and a lathe system with which it is possible to determine failure of a cooling device without the need of attaching a separate sensor for determining failure of the cooling device. A lathe 1 and a lathe system SY1 ar...
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WO/2021/107387A1 |
The present invention, which relates to a process for determining a current, is based on the task of providing a solution, with which the accuracy when measuring currents using a track shunt resistor is improved and with which the accura...
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WO/2021/104761A1 |
The invention relates to a method (400) for regulating an electric machine (190), comprising a harmonic filter (150), said harmonic filter (150) comprising a second filter (142) and a filter output transformer (132). The method has the s...
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WO/2021/104762A1 |
The invention relates to a method (400) for regulating an electric machine (190), comprising at least one first filter (140) and at least one second filter (142, 144). The method has the steps of: ascertaining (410) a feedback variable (...
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WO/2021/104763A1 |
The invention relates to a method (400) for regulating an electric machine (190) comprising a harmonic regulator (100), wherein the harmonic regulator comprises an input transformer (110), a regulator (120), and an output transformer(130...
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WO/2021/100414A1 |
A three-phase/two-phase conversion unit 43 generates a three-phase alternating current composite vector iαβ on the basis of alternating currents iu, iv, iw. An electric angle calculation unit 44 outputs the electric angle of the compos...
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WO/2021/101131A1 |
Disclosed according to an embodiment are a motor control device and a fault diagnosis method using same. The motor control device comprises: a first reception circuit which receives a first input signal via a first signal line; a second ...
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WO/2021/094021A1 |
The invention relates to a device (110) for ascertaining the temperature of a rotor (114). The device (110) comprises a primary circuit (122), which is provided on the stator (118) or on a housing (120) of the electric machine and compri...
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WO/2021/095142A1 |
A failure prediction device (400) for predicting a failure in a bearing of a compressor (50) mounted on an air-conditioner (200), is provided with: an observation unit (114) that obtains, as state variables, a first state variable indica...
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WO/2021/090731A1 |
This control device for an electric motor 200 cooled by a dielectric coolant 300 circulated by a pump 310 is provided with: a current command calculation unit 10 for calculating a current command on the basis of a torque command for the ...
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WO/2021/085168A1 |
In this motor drive system, a first actuator and a second actuator each have a plurality of redundantly provided control calculation units and a plurality of redundantly provided motor drive units. The control calculation units of the mu...
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WO/2021/085170A1 |
In the present invention, first and second actuators comprise a plurality of control computation units and a motor actuation unit. An "anomalous system internal communication state" is defined as a state in which a control computation un...
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WO/2021/086389A1 |
Permanent magnet motors (PMMs) can develop oscillations during motor startup that can cause damage to electric submersible pump (ESP) components. A system and method are presented for identifying mechanical and/or electrical caused oscil...
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WO/2021/084821A1 |
Provided are a compressor, a monitoring system, and a method of monitoring a compressor, which can monitor the remaining life of a semiconductor element of a motor control device while reducing processing load. This compressor (1) comp...
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WO/2021/079841A1 |
Provided is a method for continuing the operation of an electric compressor even if the magnitude of ripple voltage exceeds a predetermined threshold value. A control device of an electric compressor is provided with: a detection unit fo...
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WO/2021/079880A1 |
Provided is a method for detecting a ripple voltage. A control device is provided with: an acquiring unit which acquires the voltage value of an input voltage of a battery-driven electric compressor at irregular intervals; and a waveform...
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WO/2021/079469A1 |
A motor drive system (100) according to the present invention comprises: an inverter (2) that drives a motor (30); a current detection unit (3) that detects a first signal, which is the current value of the current flowing to the inverte...
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WO/2021/079662A1 |
A shift range device (1) is provided with: a motor (10) serving as a power source for switching the shift position; an energization unit (41) for energizing the motor; and a monitoring unit (72) for monitoring for an abnormal state in wh...
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WO/2021/079888A1 |
Provided is a method for determining the generation source of ripple voltage when abnormal ripple voltage is detected. The control device is for an electric compressor, the control device comprising: a detection unit that detects ripple ...
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WO/2021/073933A1 |
A method for estimating a temperature in an electric motor is provided. The method comprises the step: estimating a temperature in a coil of the electric motor based on previously estimated electric properties of the motor by a parameter...
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WO/2021/073936A1 |
An equipment (1) and a method (1') for estimating motor Parameters comprise receiving an operating parameter (u d,q , i d,q , ω e ) of an electric motor, estimating an estimated first motor parameter (Ψ ΡΜ,1 ) based on the operating ...
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WO/2021/076322A1 |
A frequency tracking system may use shaft speed and electrical frequency to estimate a frequency of a monitored machine. The frequency tracking system may convert shaft speed to a mechanical frequency and blend the electrical frequency a...
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