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Patent Searching and Data


Matches 551 - 600 out of 31,647

Document Document Title
WO/2015/045530A1
There are cases in which a current is determined to have increased rapidly despite the fact that said current is not increasing. This power conversion device is provided with the following: a power conversion unit that converts power to ...  
WO/2015/045497A1
 Provided is an electrical power converter that can realize stable driving of an electric motor even if the specification value of the electrical power converter, the specification value of the electric motor, or the electric motor con...  
WO/2015/045425A1
The purpose of the present invention is to reduce harmonics caused by the rotation of a motor and included in power supply current. A power conversion device has: a compensation current generation unit (52) for controlling compensation c...  
WO/2015/040794A1
 A motor drive device provided with: an inverter circuit (40) having switching elements corresponding to each phase of a three-phase motor coil (16), the inverter circuit (40) converting a DC application voltage of a power supply (20) ...  
WO/2015/036835A3
An electric motor control apparatus (15) controls an electric motor system that includes a power converter (13) including switching elements (Qup) and a three-phase alternating-current motor (14). The electric motor control apparatus (15...  
WO/2015/036826A1
Provided is a motor controller that controls a motor system including: a power converter (13), a smoothing capacitor (12), a three-phase AC motor (14), and a current sensor (14v, 14w). The motor controller is provided with an electronic ...  
WO/2015/037645A1
Provided is a seawater desalination system using a reverse osmosis separation device, wherein in order to make it possible to control, according to the characteristics of a reverse osmosis membrane, the pressure change rate or flow rate ...  
WO/2015/036835A2
An electric motor control apparatus (15) controls an electric motor system that includes a power converter (13) including switching elements (Qup) and a three-phase alternating-current motor (14). The electric motor control apparatus (15...  
WO/2015/036479A1
The present invention relates to a control system for an electric charge, said system comprising: - A first power converter (VV1) and a second power converter (VV2) connected in parallel, - A first control unit (UC1) associated with the ...  
WO/2015/033885A1
This invention provides an electric brake device that makes it possible to improve responsiveness and minimize increases in power consumption. Said electric brake device is provided with a brake disc, brake pads, an electric motor (2), a...  
WO/2015/030883A3
An electrical DC generation system is disclosed. According to one aspect, a system for electrical DC generation includes an electrical machine having multiple stator windings and multiple rectifiers for connection to portions of the stat...  
WO/2015/028242A3
An electrical system (10) comprises an electrical converter (12) for interconnecting an An electrical system (10) comprises an electrical converter (12) for interconnecting an electrical source (e.g. a grid) (14) with at least one rotati...  
WO/2015/029480A1
The present invention relates to an overcurrent detection device and an overcurrent detection method which detect overcurrent upstream with respect to an inverter circuit in a drive control device for an electric motor. The present inven...  
WO/2015/025886A1
Provided is a construction machine capable of obtaining a large fuel reduction effect by ensuring good operability and efficiently using recovered energy. A construction machine provided with a variable displacement hydraulic pump which ...  
WO/2015/025356A1
A motor drive system comprises a motor, a motor control device, and a sensor for detecting the torque or acceleration of the motor. The motor control device includes: an estimation unit for estimating at least one of the speed and positi...  
WO/2015/025222A3
A tactile feel control device is disclosed. The tactile feel control device can include an electric motor configured to be mechanically coupled to a manual control interface that is movable by a user. The tactile feel control device can ...  
WO/2015/025437A1
The purpose of the present invention is to suppress ripples in the inter-terminal voltage of a smoothing capacitor. An electric motor control device (15) controls an electric motor system including a power converter (13), a smoothing cap...  
WO/2015/025622A1
An inverter can output eight voltage vectors including two kinds of zero vectors to an AC electric motor in accordance with the switching states of switching elements. An AC electric motor control device controls the driving of the AC el...  
WO/2015/022800A1
The purpose of the present invention is to ensure the safety of a driver and the like in an electric vehicle regardless of whether or not the vehicle is traveling when a failure occurs. An insulation resistance detection circuit (110c) i...  
WO/2015/019652A1
The present invention relates to a drive control apparatus for an electric motor, and a method for controlling the electric motor. The present invention suppresses generation of electric brake, while protecting a semiconductor relay from...  
WO/2015/019653A1
The present invention relates to a motor control device for a vehicle used, for example, for an electric power steering control device which generates an assistive force with an electric motor as a driving source in accordance with a ste...  
WO/2015/019678A1
Provided are a rotating electric machine and rotating electric machine drive apparatus that enhance torque accuracy. A motor (2) provided with a stator having teeth (26) disposed in the circumferential direction of the inner circumferent...  
WO/2015/019786A1
The present invention pertains to a control device and a control method for multi-phase electric motors, having each phase coil connected by a star connection. This control device comprises an inverter circuit, a relay connected in serie...  
WO/2015/019143A3
Provided is a motor controller for controlling a motor system including a power converter, a smoothing capacitor and a three-phase AC motor. The motor controller includes a generation unit configured to generate a modulation signal by ad...  
WO/2015/021360A3
An actuation system (104) includes an electrical positioning driver (106) and an electrically-driven actuator (108). A voltage boost converter (204) in the electrical positioning driver receives an input voltage. The voltage boost conver...  
WO/2015/020009A1
A vehicle-use control device of an embodiment of the present invention is provided with an inverter that converts direct-current power into three-phase alternating-current power and supplies the alternating-current power to a motor for d...  
WO/2015/019905A1
A control device for an induction motor calculates a torque current command value and a magnetic flux current command value on the basis of the rotational speed of an induction motor and a torque command value and calculates a torque axi...  
WO/2015/019787A1
The present invention pertains to an electric motor control device and a control method. The control device comprises a drive circuit connected to the neutral point of a multi-phase electric motor having each phase coil connected by a st...  
WO/2015/016034A1
The present invention relates to: an electric motor driving apparatus that is provided with an inverter circuit, and a power supply relay, which is disposed on a power supply line of the inverter circuit, and which is configured from a s...  
WO/2015/015117A1
The method according to the invention is implemented in an alternator-starter (1) comprising phase windings (u,v,w) connected to an inverter (3) linked to an onboard electrical network (2) powered by a battery for operation as a starter....  
WO/2015/015878A1
The first purpose of the present invention is to increase the reliability of, extend the life of, and reduce the size of a means for, when a failure occurs, disconnecting a failed phase and connecting a drive circuit to a motor terminal ...  
WO/2015/011945A1
In order to achieve both a more compact device overall and reduced product costs, the present invention pertains to a drive device (1) comprising an AC rotary electric machine (PM), an inverter (40), and a case (2). The inverter (40) is ...  
WO/2015/011943A1
The present invention pertains to a drive device (1) that, in order to minimize effects on control precision of a rotary electric machine and to reduce product cost, comprises an AC rotary electric machine (PM) and an inverter (40). The ...  
WO/2015/011944A1
In order to minimize effects on control precision of a rotary electric machine and to reduce product cost, the present invention pertains to a drive device comprising a rotary electric machine (MG) for wheel drive, an AC rotary electric ...  
WO/2015/008486A1
Provided is a washing machine comprising: a drum (106) for storing clothes (105); and a motor (109) equipped with permanent magnets (100, 101), and three-phase windings (102, 103, 104) for driving the drum (106). The washing machine furt...  
WO/2015/004994A1
Provided are an inverter device deterring PWM voltage error even if high inverter output frequencies are used for overmodulation driving and an electric vehicle equipped with the inverter device. In an angular section where the output vo...  
WO/2015/005016A1
A device for controlling an inverter (6) for driving a motor (10) comprises: a current command value calculation means for, based on an input torque command value and a rotating state, calculating a current command value for the motor (1...  
WO/2015/003619A1
A motor control system of an electric vehicle, a controlling method for the motor control system and an electric vehicle are provided. The motor control system includes: an IGBT module, connected with a motor of the electric vehicle; a d...  
WO/2015/001612A1
The present invention is provided with: a power conversion unit which generates a three-phase voltage on the basis of a voltage command value, and supplies said voltage to a motor; an induced-voltage estimation unit which estimates an in...  
WO/2014/206692A3
The invention relates to a method for operating an asynchronous machine (1) comprising a rotor (3) and a stator (2), in which a torque of the asynchronous machine (1) is adjusted by specifying a desired magnetic flux of a surrounding mag...  
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...  

Matches 551 - 600 out of 31,647