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Matches 551 - 600 out of 31,481

Document Document Title
WO/2014/207858A1
Provided are a low-noise rotating machine and a rotating machine driving system capable of stable rotation at high speed when driving a six-phase rotating machine wherein three-level inverters are connected in parallel. The rotating mach...  
WO/2014/209741A1
A system and method for controlling an adjustable speed drive (ASD) to decelerate an AC load during a generating mode of operation is disclosed. The ASD includes a capacitor and an inverter coupled to a DC link. A current sensor system i...  
WO/2014/203300A1
In order to enable the continuation of electric motor drive control even when an open fault and a short fault occur in a polyphase inverter circuit for driving a polyphase electric motor, a motor control device is provided with: a motor ...  
WO/2014/199878A1
Provided is an electric-vehicle control device capable of effectively controlling a drive motor of an electric vehicle, without any delay in control timing during sudden acceleration and sudden deceleration of said motor. This electric-v...  
WO/2014/199587A1
A vehicle-mounted motor control device, which drives a switching element group (63) to rotate a motor (64), and charges capacitors (50, 62) with a capacitor voltage, includes: a high-voltage unit to which the capacitor voltage is applied...  
WO/2014/196065A1
[Problem] To prevent a rotating electrical machine from affecting a power conversion apparatus due to overvoltage. [Solution] An overvoltage protection apparatus (3) has: an inverter apparatus (10), which has a converter section (11), di...  
WO/2014/192373A1
A setting unit of a power conversion device of an embodiment sets duration time at random and sets one of a plurality of carrier wave frequencies different from each other as a set carrier wave frequency. This allows a carrier wave gener...  
WO/2014/192467A1
This invention pertains to a device for detecting the magnetic pole position of a permanent magnet-type synchronous motor, the device detecting the amount of deviation between the origin of the magnetic pole position of a permanent magne...  
WO/2014/192343A1
An inverter control device (6) provided with a stable control mode for rotationally driving a motor (5) at a rotation speed (Rn) selected from N-staged rotation speeds (R1 to RN), an acceleration control mode for increasing the rotation ...  
WO/2014/188962A1
Provided is a device for controlling an electric automobile that leads to improving motor responsiveness and enhancing ride quality for the passenger during motor powering control and regenerative control in an electric automobile. A mot...  
WO/2014/189022A1
The purpose of the present invention is to suppress heat generated in a component during fluctuation of power source voltage without using a large component as a component in a booster. A booster (34) boosts a voltage (V1) after rectific...  
WO/2014/183250A1
Disclosed are an alternating current-direct current intelligent, efficient and energy-saving electric motor and a driving method therefor. The alternating current-direct current intelligent, efficient and energy-saving electric motor com...  
WO/2014/186120A1
A motor control circuit and associated techniques can drive an electric motor in a start-up mode of operation followed by a normal mode of operation. The motor control circuit and techniques can receive a selection signal provided by a u...  
WO/2014/180906A3
A drive battery (60) for n-phase operation of an electric motor (50) is provided, which comprises at least 2 * n battery strings (40), each battery string (40) having a plurality of series-connected battery cells (30), and it being possi...  
WO/2014/181057A3
The device for recovering, storing and restoring electrical energy coming from the decelerations of an electromechanical system such as a flexible curtain of a goods handling door according to the present invention consists of a manageme...  
WO/2014/181942A1
The present invention relates to a method for controlling an AC motor. The method according to the present invention includes the steps of: receiving an ordered torque value; generating an ordered current from the ordered torque value; g...  
WO/2014/175046A1
A power conversion device comprises: an inverter unit (40) including a free-wheel diode connected in an inverse-parallel configuration and capable of mutually converting DC power and AC power by turning on and off a plurality of semicond...  
WO/2014/174865A1
Since rotational energy stemming from the inertial moment of a load and an induction motor when the induction motor decelerates is generated at a power conversion device, there is a need for a semiconductor switch for regenerated energy ...  
WO/2014/174186A1
The invention proposes an electric machine (4) combined with an electronic control unit (3) comprising a set of onboard maps (6, 7, 8) of a same setpoint parameter (ld, If, Iq) on the basis of first (N) and second (C) operating variables...  
WO/2014/174597A1
A control device provided with: a gate signal generating unit (11) for outputting a gate signal to an inverter circuit; and a voltage vector generating unit (8) for generating a voltage command to the gate signal generating unit (11) on ...  
WO/2014/171233A1
Even given periodically steep changes in a command value (id*, iq*), which is the target value of a compensating current (Ic), this control device allows the voltage command value (Vid, Viq), and by extension the compensating current (Ic...  
WO/2014/171009A1
This control device for an AC rotary machine is provided with the following: an AC-rotary-machine control means that uses AC-rotary-machine position information to create a voltage-command vector so as to make a detected-current vector e...  
WO/2014/171084A1
A power convertor receives an input voltage (in) as a single-phase AC voltage at a pair of input terminals; designates a first target voltage (ref1), a second target voltage (ref2), and a third target voltage (ref3) representing a sequen...  
WO/2014/168607A1
A drive unit for a motor includes a printed circuit board (PCB); a first gallium nitride switch having a gate, the first gallium nitride switch mounted to the PCB; a second gallium nitride switch having a gate, the second gallium nitride...  
WO/2014/167678A1
A control device for a permanent magnet motor having a PI current controller which respectively executes proportional and integral control of a d-axis current and a q-axis current which are the two components in a rotating dq-axis coordi...  
WO/2014/167667A1
The q axis inductive voltage estimated value eq and estimated torque τ of a PM motor (12) are estimated in an estimation unit (7), and a torque command τ* and a first command are added in an adder (10). The first command is obtained in...  
WO/2014/168267A1
The present invention relates to a motor driving apparatus and a refrigerator including the same. A motor driving apparatus according to an embodiment of the present invention comprises: a signal delay unit for delaying an input speed or...  
WO/2014/162101A1
The device according to the invention controls a polyphase inverter (10, 14, 17) intended for powering from a DC current source (CC) a polyphase rotating electric machine (1). The device is of the type of those generating commutation fun...  
WO/2014/157373A1
Provided is a drive device for a rotary electric machine that minimizes variation in voltage, current pulse, and the like on the direct current side of an inverter, and that achieves a reduction of the capacity of a smoothing capacitor o...  
WO/2014/157628A1
In order to accurately estimate a magnetic pole position regardless of the operating state of a rotating electric machine, a rotating electric machine control device is provided with: a high-speed region position calculation unit (3) for...  
WO/2014/156232A1
Provided is an inverter driven motor capable of reducing a voltage applied to a power supply line-side first coil for a motor. In an inverter driven motor having an inverter and a motor driven by the inverter, the inverter and the motor ...  
WO/2014/157374A1
Provided is a drive device for a rotary electric machine that minimizes variation in voltage, current pulse, and the like on the direct current side of an inverter, and that achieves a reduction of the capacity of a smoothing capacitor o...  
WO/2014/158847A1
There is disclosed an apparatus and method to reduce total harmonic distortion input into a 24 -pulse autotransformer system and the autotransformer system itself. The 24 -pulse autotransformer system is configured to receive an input of...  
WO/2014/155622A1
In order to provide a heap pump device that suppresses cost increases and is capable of sensorless vector control by accurately detecting current even at low rotational speeds (low rotational frequency) or with low loads, this heat pump ...  
WO/2014/157629A1
The present invention minimizes variation in voltage, current pulse, and the like on the direct current side of an inverter and achieves a reduction of the capacity of a smoothing capacitor on the direct current side. The present inventi...  
WO/2014/156633A1
A load control device is provided with a load control means for driving a load, a current sensing resistor, a differential amplifier, and a current calculation means. The load control means can perform switching between a standby state i...  
WO/2014/148427A1
Provided is a motor drive device capable of reducing the loss between a drive power source and a control device. The motor drive device (6) comprises: a plurality of motors (4), a single drive power source (7) for driving these motors (4...  
WO/2014/149355A3
A load commutated inverter (LCI) drive system for a synchronous electrical machine is provided. The system may include a first supply bridge and a second supply bridge, each of which may include an alternating current to direct current (...  
WO/2014/147659A1
This field control device (400) for a synchronous rotary machine (500) has the following: a target-operating-condition input unit (110); a first subtraction unit (121) that subtracts a final-control-quantity feedback value from an inputt...  
WO/2014/149355A2
A load commutated inverter (LCI) drive system for a synchronous electrical machine is provided. The system may include a first supply bridge and a second supply bridge, each of which may include an alternating current to direct current (...  
WO/2014/141527A1
The voltage amplification factor during rapid deceleration control for a motor is set to a value obtained by adding a voltage amplification factor calculated using a prescribed function and a low pass filter with reference to the voltage...  
WO/2014/140414A1
The invention relates to an arrangement for filtering common- mode interference. The arrangement comprises a power bridge (5, 6) connected between an AC voltage circuit (1, 4) and a DC voltage circuit (2), which power bridge comprises co...  
WO/2014/146048A2
Methods and compositions for the efficient and accurate determination of susceptibility of a hepatitis C virus (HCV) or HCV population to interferon (IFN), ribavirin (RBV), nucleoside inhibitor (NI), 2'C-methyl adenosine (2'CMeA), sofosb...  
WO/2014/145497A2
According to one or more disclosed embodiments, a plurality of data inputs are received from a plurality of information sources regarding one or more investment portfolios. Also, a proposed change to at least one of the investment portfo...  
WO/2014/135903A3
A drive circuit for a brushless motor that comprises power lines for carrying an AC voltage, an inverter comprising one or more legs connected in parallel across the power lines, and a controller. Each leg of the inverter is connected to...  
WO/2014/136761A1
In the context of control using a circular locus method, the present invention maintains a switching pattern for detecting a line current for at least a minimum constraint duration while maintaining a magnetic flux over an entire control...  
WO/2014/136485A1
The present invention reliably detects a shunt current and stably controls a multi-phase AC motor. A PWM waveform generator (46) generates, on the basis of a current value detected by a current detector (42), a plurality of PWM waveforms...  
WO/2014/136142A1
The present invention provides a system for driving an AC motor, the system for driving an AC motor being capable of trading power between a current busbar and a storage device using the voltage value of the current busbar without provid...  
WO/2014/132766A1
A motor control device is provided with: a current command value calculation means which, on the basis of a torque command value inputted from outside and the rotation speed of a motor, calculates a basic current command value; a first c...  
WO/2014/133026A1
A speed-sensorless motor starting device (100) for starting a motor, provided with: a modular multilevel cascade inverter (1) of the double star chopper cell type; a current-command-value generation means (31) for generating a current co...  

Matches 551 - 600 out of 31,481