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WO/2013/031828A1 |
A power conversion device has a power switching circuit that has a plurality of serial circuits for connecting in series to a switching element for an upper arm and a switching element for a lower arm, receives DC power, generates AC pow...
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WO/2013/031560A1 |
Provided is a drive control device wherein it is possible to control the rotational frequency of an electrical apparatus in accordance with the load characteristics. Also provided are an electrical apparatus and a drive control method. A...
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WO/2013/027527A1 |
Provided are a motor control device that stably drives a motor regardless of the stop position and even in the event of fluctuations of load characteristics, and a drive device that utilizes said motor control device. This motor control ...
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WO/2013/024780A1 |
[Problem] In a PM motor position-sensorless control device, an estimation phase is not accurately estimated in a low speed region. [Solution] Provided is an induction power calculation unit in which a current detection value at a coordin...
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WO/2013/021998A1 |
In order to obtain a rotating electrical machine control device capable of preventing a vibrational component from being produced in a current command even when periodic torque vibration is contained in a torque command when the current ...
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WO/2013/018209A1 |
An electric motor drive system comprises: a first interlock mechanism (160) constructed in such a way that a switch device (190) is opened by operation in response to an interrupter device (SP) assuming an operable state; a second interl...
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WO/2013/013792A2 |
The invention relates to a drive system and a method for operating a drive system, comprising at least one converter feeding an electric motor and a safety monitor, it being possible for an alternating current, in particular a multi-phas...
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WO/2013/010778A1 |
In a method based on the MPDTC algorithm for controlling an inverter of an electrical system, the harmonics and resonances in the inverter are damped by extracting frequency information from predicted data of the MPDTC algorithm and by d...
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WO/2013/011807A1 |
The purpose of the present invention is to reduce ripple current when driving an inverter by using a continuous pulse width modulation method. An inverter control unit uses pulse width modulation according to a predetermined modulation f...
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WO/2013/005762A1 |
An inverter control device is equipped with: an inverter (6) that converts direct current power input from a direct current power supply into alternating current power, which is supplied to a motor; a command value calculation unit (1, 2...
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WO/2013/000654A2 |
A control device (11) for controlling an electric machine (22) with ks windings on a stator and kr windings on a rotor, wherein ks+ kr = n and wherein either one of ks and kr may be zero, comprises an input via (12) which control command...
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WO/2012/176553A1 |
The purpose of the present invention is to obtain a motor control device for controlling a motor having a plurality of phases and for, when an open-state failure occurs at a target phase, quickly and accurately detecting at which of the ...
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WO/2012/172488A1 |
Described is an electric drive unit (1) comprising an electric motor (2) with permanent magnets, an inverter (3) supplying electricity to the electric motor (2), a continuous current stage (4) supplying electricity to the inverter, a con...
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WO/2012/169413A1 |
A construction machine is provided with: a rotating body (1d); an electric motor (16) for driving the rotating body; an operating device (4b) for outputting an operating signal according to an operating amount and operating direction; an...
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WO/2012/163583A1 |
A fuel pumping device (1) is proposed for conveying fuel in a vehicle (100). The fuel pumping device has a fuel pump (5) which is driven by a brushless DC machine. A simple alternating field generator (7) is provided in order to control ...
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WO/2012/164690A1 |
The present invention relates to the detection of abnormalities in a refrigeration apparatus comprising a refrigerant compressor configured so as to compress refrigerant and to discharge compressed refrigerant to a cooling piping constit...
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WO/2012/159884A2 |
The invention relates to a unit comprising an electric power source including at least two elements of different technologies and an inverter for controlling an alternating-current electric motor, said driving inverter comprising: an alt...
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WO/2012/160694A1 |
In order to provide a practical implementation means which reliably determines control system malfunctions with a motor control device, a motor control device is equipped with: a motor driving means that supplies motor current to a motor...
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WO/2012/157039A1 |
Provided is a position-sensorless drive method, wherein control of the rotational speed and torque of a permanent-magnet motor is executed by driving the motor with an ideal sinusoidal-wave current generated by a minimum necessary number...
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WO/2012/152465A2 |
The invention relates to a method for controlling an electric machine, particularly a synchronous machine, wherein the electric machine is powered in single-phased or multi-phased form by means of a converter (32). The converter (32) is ...
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WO/2012/153794A1 |
A basic wave current detection unit (8) detects the current in a zero-voltage vector period (V7 or V0) for PWM control. A current change-amount detection unit (11) calculates the current difference for an actual current corresponding to ...
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WO/2012/144000A1 |
The purpose of the present invention is to attain a control apparatus for an AC motor, wherein electrical oscillation of an LC filter circuit can be inhibited even when the magnitude of a torque command is small or nearly zero, and drivi...
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WO/2012/144290A1 |
The present invention relates to a motor control device provided with the function of detecting the rotor position of a synchronous rotor in a sensor-less fashion. The motor control device records ahead of time a current phase (β) stipu...
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WO/2012/144018A1 |
A power converter smoothing capacitor in a configuration provided with a boost converter and a power converter between a DC power source and an electrical load is made to be of lower-capacity without requiring an increase in breakdown vo...
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WO/2012/133799A1 |
Provided is a motor-ripple inhibiting apparatus that can estimate an error in a system identification model. The motor-ripple inhibiting apparatus is provided with: a Periodic Disturbance Observer (PDO) that estimates disturbance torque ...
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WO/2012/131995A1 |
The present invention has a circuit switch element that switches a step-up/step-down bidirectional chopper circuit between a first chopper circuit and a second chopper circuit, and uses the first and second chopper circuits in combinatio...
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WO/2012/123255A2 |
The invention relates to a control method implemented in a power converter comprising an inverter (INV) connected to a synchronous electric motor (M) having permanent magnets, said electric motor (M) being modeled in the power converter ...
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WO/2012/121902A1 |
A device for improving efficiency of an induction motor that soft-starts the motor by applying a voltage to the motor that is substantially less than the rated voltage then gradually increasing the voltage while monitoring changes in cur...
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WO/2012/117132A1 |
The invention relates to a virtual controller of electromechanical characteristics for a static power converter that includes a PLC (23) (power loop controller) which receives, at the input thereof, the power difference (ΔΡ) between th...
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WO/2012/117131A1 |
The invention relates to a synchronous power controller for a generation system based on static power converters, said controller comprising two main blocks referred to as: block 1 (electric block) (10) and block 2 (electromechanical blo...
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WO/2012/117133A1 |
The invention relates to a virtual admittance controller based on static power converters, comprising a control loop into the inlet of which is injected the difference in voltage between a virtual internal voltage (e) and the voltage at ...
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WO/2012/118649A1 |
A control system (120) for a motor (117) includes a current regulation controller (111) for generating a terminal voltage command. The terminal voltage command is used for converting a supply voltage to a three phase voltage to power a m...
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WO/2012/111504A1 |
A phase voltage setting means defines an actual current phase range that includes a current phase error range obtained on the basis of parameters containing instrumental errors of the motor and/or an inverter; defines a stable operating ...
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WO/2012/108079A1 |
[Objective] To provide a control apparatus for an electric-powered power steering apparatus, wherein ripple precision in torque, speed, and other properties is improved, abnormal noise is not made, and strangeness is not felt upon steeri...
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WO/2012/106959A1 |
A sensor-based electrical energy recovery device for use in an alternating current motor electric car, comprising a battery (E), a first single-phase or three-phase inverter (INV), a sensor (T1), an alternating current motor (M1), a brid...
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WO/2012/101753A1 |
A motor control device (1) is provided with: a frequency command setting unit (6) which outputs a plurality of frequency commands; an alternating-current voltage command generation unit (5) which generates and outputs alternating-current...
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WO/2012/098628A1 |
A power conversion apparatus is provided with a conversion unit (20) that converts power coming from the side of an AC power-supply (6) into AC power having a prescribed frequency, using the switching functions of a plurality of switchin...
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WO/2012/098875A1 |
This power conversion apparatus is provided with switching elements (Su, Sv, Sw, Sx, Sy, Sz), converts input alternating-current power supplied from an alternating-current power supply (6) into output alternating-current power at predete...
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WO/2012/078367A2 |
A Complex Adaptive Phase Estimation (PE) filter, as presented in some concepts of the present disclosure, is an adaptive filter that accurately estimates the phase difference between signals. For example, the PE filter can estimate the p...
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WO/2012/077752A1 |
A control device is implemented that appropriately takes into account the influence of switching noise on the detected angle of a resolver. Said control device has: a correction information storage unit (25) that stores, as correction in...
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WO/2012/070106A1 |
Provided is a two-wheeled electric vehicle that includes: a battery; a three-phase alternating current electric motor that has a first-phase, a second-phase, and a third-phase coil, and generates driving force to be transmitted to a driv...
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WO/2012/066800A1 |
An electric current detection device for reducing the detection error included in a detected electric current in order to detect the output electric current of a PWM inverter, the device characterized in comprising electric current detec...
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WO/2012/043264A1 |
It is possible to monitor the state either of each on/off mechanical contact or each on/off semiconductor element of each contactor of a drive circuit which supplies driving power to a three-phase alternating current electric motor and a...
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WO/2012/042293A1 |
This method is for controlling an electrical motor, comprising a magnetic rotor comprising at least a couple of magnetic poles, and a stator comprising at least three coils rolled around teeth, said coils being fed in electrical current....
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WO/2012/037983A1 |
The invention relates to a method for controlling an asynchronous machine with or without rotational speed feedback in an open-loop or closed-loop manner, wherein the asynchronous motor is controlled by a control unit (converter or servo...
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WO/2012/039258A1 |
An inverter control device comprising: a voltage detection means for detecting the direct-current voltage of an inverter (6) that converts a direct-current power input from a direct-current power supply into an alternating-current power;...
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WO/2012/032393A1 |
In an electric power steering system, a control signal output section outputs independent dual-system control signals to driver circuits that are disposed in connection with independent dual-system motor coils. The control signal output ...
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WO/2012/028390A2 |
The control circuit of an electric motor, which has at least one phase (2) supplied with high voltage and has a defined high-voltage zone (zone HV), is provided with a controller for the supply current of the phase with a nominal-value c...
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WO/2012/029715A1 |
A vector control unit (11) is provided with a torque voltage control unit (21) for determining a torque voltage command value on the basis of the deviation between the torque current command value and the torque current, a magnetizing vo...
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WO/2012/022970A2 |
A measurement circuit in a motor circuit generates signals for use in a motor control strategy for an electric motor. The measurement circuit comprises a first current sensing means which produces an output signal indicative of the curre...
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