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Matches 351 - 400 out of 31,785

Document Document Title
WO/2016/163458A1
In the present invention, windings (7U-7W) are provided with respective intermediate taps (8U-8W) so as to allow a rotating electrical machine (4) of an electromotive power-generator device (1) to vary actual turn count by phase. A drive...  
WO/2016/157391A1
This drive device is provided with: a rotary electric machine; a matrix converter having a power conversion unit that converts power from an alternating current power supply into alternating current power for output; a battery connected ...  
WO/2016/157306A1
This control device (10) for an AC rotating machine (1) comprises: a current detecting unit (3); a command generating unit (4) that generates a voltage command using an inertia moment J; a speed estimating unit (6) that calculates an est...  
WO/2016/155694A3
The invention relates to a circuit and to a method for operating an electrical machine (M) connected to at least three phases (L1, L2, L3) of a power supply network by means of a frequency converter (1) that has a DC link (3), wherein, b...  
WO/2016/155927A1
The invention relates to a method for estimating a temperature contribution of an inverter used to energize an electrical machine, in particular a synchronous machine. The method comprises the steps for calculating oscillating temperatur...  
WO/2016/158133A1
Provided is an electric tool in which peak electric current can be controlled without increasing the size of the tool body. In an electric circular saw (100) provided with a motor (1), a rectifying circuit (91) for rectifying AC voltage ...  
WO/2016/152203A1
This motor control device is provided with: an electrical power converter for converting a direct current voltage to a three-phase alternating current voltage using a PWM control to output the converted voltage to a motor; and a carrier ...  
WO/2016/152250A1
The present invention addresses the problem of reducing a harmonic loss, which occurs when an alternating-current motor is driven in an over-modulated manner, by means of asynchronous PWM control without increasing the switching freque...  
WO/2016/148423A1
A motor driving apparatus includes an AC-DC conversion unit configured to rectify an AC power supplied from an external AC power source, a DC link unit configured to stabilize a voltage rectified by the AC-DC conversion unit, and a DC-AC...  
WO/2016/143465A1
[Problem] To provide a current detection circuit capable of reducing computation and eliminating takeover of abnormal data. [Solution] The present invention comprises: a control unit (16) that PWM controls a switching element (Q1) for ap...  
WO/2016/143608A1
With a motor control apparatus according an embodiment of the present invention, a current detection control unit: sets a first detection scheme wherein a two-phase PWM signal is outputted if a current detection rate is high when the mot...  
WO/2016/143120A1
An AC rotating electric machine control device is provided with an AC rotating electric machine having x-phase windings (where, x is 3 or more), an angle detector, a current detector, a voltage command calculator, and a power converter. ...  
WO/2016/135889A1
In order to obtain a motor drive control device in which the amount of heat generation can be effectively suppressed and the reactor volume can be reduced, a motor drive control device 20 is provided with: a rectifier 2 connected to a th...  
WO/2016/135925A1
A refrigeration cycle device 100 is provided with the following: an electric leakage sensor 400 that detects leakage of DC power which is supplied from a DC power device 200; and a DC breaker 401 that cuts off the DC power supplied from ...  
WO/2016/136815A1
Provided is an electric power system capable of rapidly slowing an electric motor and quickly discharging a capacitor when an abnormality occurs. If an abnormality detection device (30) detects an abnormality, a control device (34) of an...  
WO/2016/134908A1
The invention relates to a domestic refrigeration device (1) and to a method for operating a domestic refrigeration device (1). The domestic refrigeration device (1) comprises a heat-insulated body (10) with a coolable inner container (2...  
WO/2016/135805A1
During normal operation, this electric drive device implements control such that the current supplied to windings becomes less than a normal-time current limit value determined from the heat-generation properties and the heat-dissipation...  
WO/2016/134946A1
According to some embodiments, functionality of a conventional variable speed drive (VSD) for driving a subsea electric motor is "split" with the CPU with frequency converter control being located topside and the low-level switching hard...  
WO/2016/137759A1
A power system including a first drive including a first drive output, a second drive including a second drive output, wherein the first drive output is larger than the first drive output, at least one inductor operably coupled to the fi...  
WO/2016/132450A1
The present invention provides a permanent magnet three-phase duplex motor capable of ensuring, when one system fails, motor performance equivalent to that in a normal time without increasing the size of the motor, and an electric power ...  
WO/2016/132426A1
A first offset voltage, which is to be added to each voltage command of a first three-phase voltage command calculated on the basis of a control command issued to an AC rotating machine, and a second offset voltage, which is to be added ...  
WO/2016/133370A1
A contactor control system having a primary microprocessor, a secondary microprocessor, a high side contactor control circuit, and a low side contactor control circuit is provided. The primary microprocessor sends a first command signal ...  
WO/2016/132421A1
In a system in which an electric motor (5) is driven by a power conversion device (3A) that outputs an AC power, a power conversion device control device (7A) controls the power conversion device and is provided with: a control pulse gen...  
WO/2016/132573A1
The present invention relates to a dry vacuum pump device and a method of controlling the same, with which it is possible for rotation of a vacuum pump to be restarted immediately following a power failure such as a 'momentary power fail...  
WO/2016/132427A1
The present invention is provided with a configuration in which, if a first intermediate phase voltage command and a first minimum phase voltage command in a first three-phase voltage command are close to each other, switching from first...  
WO/2016/129071A1
A power conversion device (1) is provided with: current supply circuits (41, 43) for supplying mutually independent currents to multi-phase stator windings (31, 32) provided in a motor (3A); and a control circuit (6) for controlling the ...  
WO/2016/126782A1
A drive and motor system and method for a six phase machine with negligible common-mode voltage is provided. The six-phase machine includes six phase windings divided into at least two windings groups configured to generate a zero common...  
WO/2016/125567A1
A synchronous machine control device is provided with: a synchronous machine having a field permanent magnet; a stress estimator for estimating the stress acting on the permanent magnet; and a first magnet temperature corrector for calcu...  
WO/2016/125557A1
Provided is a motor drive device in which a 0-axis current can be controlled to a predetermined value. A motor drive device (inverter device 100) for an open winding-type motor 200 in which a stator winding comprises independent windings...  
WO/2016/125559A1
Provided is a motor control device with which it is possible to appropriately compensate for inverter output voltage fluctuation during a dead time. A motor control device for converting a DC voltage into an AC voltage using an inverter ...  
WO/2016/121113A1
This inverter device is provided with: a converter circuit unit 11 that converts an alternating current voltage into a direct current voltage; an inverter circuit unit 12, which converts the direct current voltage into an alternating cur...  
WO/2016/121751A1
[Problem] To provide an inverter control apparatus and a driving system which are capable of estimating, with high accuracy, a rotation phase angle of a motor in a high-speed and low-load state. [Solution] An inverter control apparatus a...  
WO/2016/121373A1
This motor control device has at least a speed control unit for controlling the rotation speed of a motor. The motor control device is provided with a torque correction means for performing corrections to minimize variability of the torq...  
WO/2016/117047A1
A control device for an AC rotator including first and second three-phase windings having a phase difference, wherein: a voltage is imparted to each phase of the first three-phase winding during an off interval or on interval no less tha...  
WO/2016/117067A1
This control device for an AC rotary machine includes a first winding and a second winding, which have a phase difference, and has an estimated current sum calculator. When the current in the first winding is determined to be detectable,...  
WO/2016/117672A1
A first operation part in a device for controlling a dynamo-electric machine performs control for a prescribed first region that is set in relation to a control amount, and a second region that is greater than the first region. As contro...  
WO/2016/117217A1
The present invention obtains a permanent-magnet-type rotating electrical machine capable of being driven using a negative d axis current that minimizes electromagnetic excitation force during a prescribed rotation speed at which electro...  
WO/2016/113029A1
The invention relates to a method and a control device (13) for regulating a drive device (1) which comprises an electric motor (5) with a motor shaft (7) and a converter (11) for supplying power to the electric motor (5). To this end, m...  
WO/2016/114353A1
A pole-number-changing rotating electric machine and a method for driving said pole-number-changing rotating electric machine are obtained, the pole-number-changing rotating electric machine having exceptional torque-current characterist...  
WO/2016/110643A1
The present invention relates to a power-conversion method (10) for a vehicle comprising: a three-phase electric motor, - two three-phase inverters, each inverter being controlled via modulation of at least six spatial vectors, the outpu...  
WO/2016/111508A1
Disclosed are an apparatus for driving a motor and a method for controlling the same. The apparatus for driving a motor may comprise: an inverter for supplying driving power to the motor; a power unit for supplying direct current power t...  
WO/2016/104318A1
In the present invention, even if the supply of power to an inverter control device is cut off, fail-safe control is appropriately carried out on a rotating electric drive device provided with an inverter. A rotating electric machine con...  
WO/2016/103325A1
A power conversion device equipped with: a primary circuit capacitor 4 connected directly or indirectly to the output terminal of a diode bridge 2; a compensation capacitor 4a connected in parallel with the primary circuit capacitor 4; a...  
WO/2016/101467A1
An isolation speed regulation interface circuit and an electrical equipment system using same. The isolation speed regulation interface circuit is installed on a main control circuit board of an ECM electric motor and electrical equipmen...  
WO/2016/104328A1
Switching of a converter is stopped from the start of operation until a harmonic current reaches a restriction value. A first voltage value is then set as a step-up target value and the converter is caused to perform a switching operatio...  
WO/2016/101074A1
The invention relates to fluid drive systems used in fluid wells and brake systems for permanent magnet wellhead direct drives. The braking controller connects or disconnects a brake resistor from a back EMF. A variable frequency drive (...  
WO/2016/098693A1
The purpose of the present invention is to prevent decreases in the precision of torque control that occur when DC bus current is controlled so as to be equal to or less than a desired limit value in an electric power steering device and...  
WO/2016/098410A1
The objective of the present invention is, simultaneously, to reduce the size of an electric power converting device and improve the productivity thereof, to suppress temperature increases in a smoothing capacitor, and to reduce motor no...  
WO/2016/098487A1
A control device which controls a starter generator is provided with an electric current estimating unit and an applied voltage calculating unit. The electric current estimating unit estimates the electric current flowing between a batte...  
WO/2016/098373A1
In the load following method according to the present invention, the load factor and the rotation speed of an induction motor are detected to constantly match the input power of the motor to the load, and relevant parameters of the motor...  

Matches 351 - 400 out of 31,785