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Patent Searching and Data


Matches 701 - 750 out of 31,771

Document Document Title
WO/2014/087706A1
A motor drive device provided with a booster circuit in a converter, wherein a converter control unit (15) is provided with a command setting unit (20) and a switching control unit (30). The command setting unit (20) has a first command ...  
WO/2014/086005A1
A rectification traction apparatus and diesel multiple units with the rectification traction apparatus equipped. The rectification traction apparatus comprises a box body (1), a rectifier module (2) and an inverter module (3). The box bo...  
WO/2014/083833A1
[Problem] To make it such that the speed and temperature of a heater fan device can be controlled as desired. [Solution] A magnetism generation unit (10) is connected to an AC power supply and generates a magnetic field. A rotor (20) has...  
WO/2014/084009A1
Provided is a control device capable of operating a PMSM with high efficiency and capable of adjusting output torque at high accuracy even when the PMSM operates at a low rotational angular speed. When rotational angular speed (ω) is a ...  
WO/2014/080497A1
A control device for an AC rotating machine, a method for controlling the AC rotating machine, and an AC rotating machine drive system equipped with the control device for the AC rotating machine according to the present invention, suppl...  
WO/2014/080740A1
An inverter device is provided with an inverter circuit comprising a plurality of bridge-connected switching elements, a capacitor that is connected in parallel to the input side of the inverter circuit, a control device that controls th...  
WO/2014/080486A1
The purpose of the present invention is to obtain an alternating current electric power generator that is for a vehicle and is provided with a power conversion unit that is highly reliable. In the present invention, a stator of a rotary ...  
WO/2014/080456A1
The purpose of the present invention is to provide a motor drive system which has excellent environmental resistance performance and can be configured at low costs, and a motor control device used for the motor drive system. The motor dr...  
WO/2014/080741A1
An inverter device is provided with an inverter circuit comprising a plurality of bridge-connected switching elements, a capacitor that is connected in parallel to the input side of the inverter circuit, a temperature detection unit that...  
WO/2014/076787A1
This variable speed apparatus for driving an electric motor is provided with: a first acquiring unit, which acquires a first parameter relating to an operation state of the electric motor; a second acquiring unit, which acquires a second...  
WO/2014/073031A1
A motor control device and a motor control method, whereby: in a measurement mode in which the variation waveform of a d axis current value for a permanent magnet (PM) motor is controlled in a rectangular wave shape, while the PM motor i...  
WO/2014/073632A1
The purpose of the present invention is to provide a power source device of simple configuration, capable of reducing the voltage fluctuation when switching a power source mode between a parallel power mode and a serial power mode. The p...  
WO/2014/073365A1
Provided is a control device for an electric compressor capable of suitably controlling a motor in response to load variations having a complex frequency component even when controlling a motor using a sensorless system. The control devi...  
WO/2014/073247A1
A three-phase inverter (10) is provided with a switching unit (1) in which three legs are connected in a three-phase bridge, and an auxiliary circuit (23) composed of a single leg. A pseudo-impedance (21, 22) is connected to the auxiliar...  
WO/2014/074697A1
A method for controlling a specific electric machine includes receiving with a controller a back electromotive force (BEMF) coefficient for the specific electric machine. The controller is configured to control operation of an inverter c...  
WO/2014/073053A1
A motor control device and a motor control method, whereby the variation waveform of a q axis current value for a PM motor (310) is controlled, while the PM motor (310) is rotating, to the same rectangular wave shape during a current val...  
WO/2014/069281A1
This control device controls an electric vehicle driven by a drive motor unit (6) configured from an electric motor (4) and a mechanical unit (5), and is provided with: an equivalent efficiency estimation means (15) which estimates an eq...  
WO/2014/069188A1
Provided is a technique for driving a rotating electrical machine at an efficient operation point in accordance with a torque by appropriately controlling the current phase with a primary magnetic flux command value modified in accordanc...  
WO/2014/069873A1
The present invention relates to a switch relay apparatus, and particularly to a switch relay apparatus which is an electronic relay driving electronic components mounted onto a vehicle. The embodiment of the present invention includes: ...  
WO/2014/069280A1
This in-wheel motor drive device is provided with an electric motor (1) which drives the wheel, a wheel bearing (5) which supports the wheel, and a reduction gear (2) which reduces, and transmits to the wheel bearing (5), rotation of the...  
WO/2014/064836A1
A computation circuit different from a CPU is configured to perform a prescribed computation for consolidating information sampled during one cycle of a carrier frequency by variably controlling a sampling cycle for information in accord...  
WO/2014/064981A1
A power conversion device comprises: a switching circuit for converting DC power to AC power; a current detector for detecting current flowing from the switching circuit to an AC electric motor; a coordinate convertor for converting the ...  
WO/2014/064141A1
An electrical converter (10) comprising a plurality of semiconductor switches (16), wherein the electrical converter is adapted for generating a two-level or multi-level output voltage from an input voltage by switching the plurality of ...  
WO/2014/061691A1
The purpose of the present invention is to discharge a capacitor using a motor without rotating the motor even when the capacitor is connected to a position-sensorless motor. A motor drive device calculates a voltage pulse width that doe...  
WO/2014/062769A3
Apparatuses and methods are described for implementing adjustable speed drives. For instance, an apparatus may comprise an inverter circuit configured to drive a multi-phase electrical load, the inverter configured to be powered by first...  
WO/2014/057946A1
Disclosed is a motor control device for electric vehicles that controls the torque of a motor connected to drive wheels by setting a motor torque command value on the basis of vehicle information, wherein the motor control device compris...  
WO/2014/057910A1
Disclosed is a motor control device for electric vehicles that controls the torque of a motor connected to drive wheels by setting a motor torque command value on the basis of vehicle information, wherein the motor control device: determ...  
WO/2014/057047A3
The invention relates to a circuit assembly (SA) for discharging an electrical energy store (ES), comprising a first discharge current path (ELP1) from a first, positive current connection (A11) of the energy store (ES) to a second, nega...  
WO/2014/057575A1
The present invention is equipped with a magnet state output means (7) that estimates the magnetic flux of a permanent magnet forming a magnetic field in a synchronous machine (1). The magnet state output means is equipped with: a magnet...  
WO/2014/054096A1
Provided are a motor driving circuit, a motor with a built-in motor driving circuit, a pump motor with a built-in motor driving circuit, and an air conditioner, ventilation fan, heat pump/hot-water supply device, and air conditioner with...  
WO/2014/054657A1
In a control device for an electric vehicle which sets a motor torque command value on the basis of vehicle information and controls the torque of a motor connected to a driving wheel, the control device applies a filter processing to th...  
WO/2014/051167A3
An electric power tool comprising a voltage conversion circuit configured to control magnitude of a voltage applied to a motor in accordance with magnitude of load.  
WO/2014/049694A1
[Problem] To suppress the effects of disturbances such as parameter fluctuations. [Solution] A motor controller comprises: a proportional-integral (PI) compensator (11) that generates a voltage command on the basis of a deviation between...  
WO/2014/050854A1
Provided is a device capable of reducing power consumption. An actuator drive device (30) includes a DC voltage generation unit (31), a voltage detection unit (34), a drive voltage generation unit (37), and a switching unit (35). The DC ...  
WO/2014/050283A1
In order to provide a drive control device for a rotary electric machine that is capable of causing the rotary electric machine to generate a torque faithful to a torque command irrespective of the magnet temperature of permanent magnets...  
WO/2014/050792A1
A method for measuring the impedance of a permanent magnet synchronous motor according to an exemplary embodiment of the present invention comprises the steps of: a) providing a stator of a stationary part of the permanent magnet synchro...  
WO/2014/048537A3
The invention relates to a method for operating an electric machine and to an electric motor for carrying out said method, wherein a rotor winding at the rotor is designed as a rotary field winding, and wherein a stator winding is arrang...  
WO/2014/049693A1
[Problem] To provide a current control system with high gain and wide band width. [Solution] A motor controller comprises: a proportional-integral (PI) compensator (11) that generates a voltage command on the basis of a deviation between...  
WO/2014/049867A1
A heat pump that has a compressor equipped with a motor for which sensorless vector control is possible even at a low rotation speed or under a low load is obtained while the cost thereof is suppressed. This heat pump device is equipped ...  
WO/2014/045760A1
A motor control device includes a switching element for controlling a motor, a current control unit for outputting a PWM signal to drive the switching element, and a setting unit for setting a carrier frequency for the PWM signal. Furthe...  
WO/2014/046235A1
This inverter control device is provided with: an inverter (6) that converts DC power inputted from a DC power source to AC power, and supplies the AC power to a motor; a command value calculating means for calculating a command value fo...  
WO/2014/045348A1
[Problem] To provide a field-winding rotating electrical machine that can release a limitation in field current within a predetermined time period in the situation of a vehicle needing the output of ordinary circumstances, even in the st...  
WO/2014/038262A1
A vehicle drive mechanism comprising an engine, a double-rotor type motor, a battery, and a control unit. When the vehicle is in a high-speed cruising state, the control unit reduces the output torque of the engine if the state of charge...  
WO/2014/034291A1
In order to provide feedback on the basis of deviation in the primary magnetic flux when performing primary flux control, an electric motor control device (1) is equipped with: a first coordinate conversion unit (101) that converts a thr...  
WO/2014/033849A1
This thyristor activation device is equipped with a control angle computation unit (9) that contains functions or a table showing the relationship between rotation speed (N) of a synchronous machine (21) and phase control angle (γ) of a...  
WO/2014/034333A1
To provide an electric vehicle drive system capable of improving the stability of a travelling vehicle when a regenerative operation is suspended during operation of a regeneration cooperative brake, the electric vehicle drive system has...  
WO/2014/030459A1
In order to provide a motor driving circuit with which the portion corresponding to a malfunctioning phase can be separated while reducing the size and the cost, this motor driving circuit, which drives a motor, is equipped with: a secon...  
WO/2014/031401A3
Embodiments relate to systems and methods for space vector pulse width modulation switching using bootstrap charging circuits. Platforms and techniques are provided for controlling a power inverter using space vector pulse width modulati...  
WO/2014/029793A3
The invention relates to a method for controlling an electric motor of a hand-held power tool, according to which the electric motor is controlled by means of a pulse width-modulated signal, the carrier frequency of the pulse width-modul...  
WO/2014/024635A1
In order to provide an electric powertrain system having a plurality of heat generation sources and a plurality of heat transfer pathways, which diagnoses the abnormality of the heat transfer pathways and the joints in the powertrain sys...  

Matches 701 - 750 out of 31,771