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Matches 251 - 300 out of 19,464

Document Document Title
WO/2014/085888A2
The present invention relates to a circuit and device for protecting bivolt motors, preferably for induction motors used in refrigerator hermetic compressors. Provision is also made for an induction motor and a control and protection sys...  
WO/2014/085888A3
The present invention relates to a circuit and device for protecting bivolt motors, preferably for induction motors used in refrigerator hermetic compressors. Provision is also made for an induction motor and a control and protection sys...  
WO/2014/083963A1
In order to provide a motor capable of detecting the temperature of a magnet (21) embedded in a rotor (20), the motor comprises: a stator (25) having a coil (24); a case (22) for fixing the stator (25); a rotor (20) supported by the case...  
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/2014/083946A1
[Problem] To provide an electromagnetic rotating device and a vacuum pump equipped with the electromagnetic rotating device whereby it is possible to reduce the size and costs by consuming power during regeneration through an electromagn...  
WO/2014/082766A2
The invention relation to a device for increasing fault clearing time, with load resistors (14, 18, 21) connectable in the event of a fault, the turbine power transmitted to the shaft being electrically absorbed by the generator (5) and ...  
WO/2014/082766A3
The invention relation to a device for increasing fault clearing time, with load resistors (14, 18, 21) connectable in the event of a fault, the turbine power transmitted to the shaft being electrically absorbed by the generator (5) and ...  
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/2014/079453A3
A method is provided for reducing an impact of an unbalanced short circuit event that occurs in a polyphase permanent magnet generator of a wind turbine. According to the method, an unbalanced short circuit event is detected in the gener...  
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/2014/072409A2
The invention relates to a system with a first electric motor (12) and a second electric motor (14) which are mechanically coupled to each other via a common line section (17) of the system. The line section (17) exhibits a natural torsi...  
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/2014/072409A3
The invention relates to a system with a first electric motor (12) and a second electric motor (14) which are mechanically coupled to each other via a common line section (17) of the system. The line section (17) exhibits a natural torsi...  
WO/2014/067806A3
The invention relates to a method for operating an electronically commutated electric machine (2), having the following steps: Activating a driver circuit (3) in accordance with a commutation schema by switching power semiconductor switc...  
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/2014/063926A3
A tracking circuit and method are disclosed for tracking an orientation of a rotor of a motor, such as a three-phase sensorless, synchronous, sine wave permanent-magnet motor, during a loss of source power to a motor drive. The circuit c...  
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/2014/057533A1
[Problem] To more accurately detect the overload state of a motor while achieving maximum motor performance. [Solution] A serial converter (3) has: an overload determination unit (35) for comparing, against a threshold, the detection val...  
WO/2014/057558A1
In order to accurately estimate the temperature of a permanent magnet used in the rotor of a motor, a motor control device of a vehicle provided with a motor as a power source includes: an estimation mode setting unit that makes an elect...  
WO/2014/056799A3
The invention relates to a motor control system and a method for the field-oriented control of an electric motor for driving a vehicle. The motor control system comprises a current setpoint creator (1), which is designed to receive a tor...  
WO/2014/055639A1
An active suspension system for a sprung mass. The suspension system has an electromagnetic motor that produces force on the sprung mass and that is powered by power from a power source. The motor has an armature, and a stator with coils...  
WO/2014/054142A1
[Problem] To easily execute selection processing of motor equipment in a multi-axis drive system provided with a plurality of mechanisms to be driven. [Solution] An equipment selection device for selecting motor equipment displays an ope...  
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/2014/050404A1
A motor control device (1) comprises: a communication unit (11) which receives a control command including a motor type identification signal representing the type of a motor (2) to be controlled and a signal designating the target rotat...  
WO/2014/045705A1
An audio signal which is outputted from a sound source circuit (14) is passed through a coil (16) within a transducer which oscillates a sound board, and a sound signal is emitted by the oscillation of the sound board. A microcomputer (3...  
WO/2014/041720A1
This motor control device (110), which controls a motor (105) that drives a fan (104), is equipped with: an air volume calculation unit (113) that calculates the air volume (Q) supplied by a fan (104); and a torque command generation uni...  
WO/2014/032718A1
The invention relates to a switchgear (1) which comprises a control unit (2), a supply connection (7) and a first current path (15), the first current path (15) comprising a first electromechanical switch (11) and, connected in series to...  
WO/2014/033201A2
A variable speed drive system employing an electric motor and a frequency converter arranged between an AC power source and the electric motor is operated. The frequency converter functions to convert AC power obtained from the AC power ...  
WO/2014/033201A3
A variable speed drive system employing an electric motor and a frequency converter arranged between an AC power source and the electric motor is operated. The frequency converter functions to convert AC power obtained from the AC power ...  
WO/2014/024360A8
Provided are a motor control device and a motor control method with which control can be implemented to accurately achieve a constant air quantity without relying upon pressure loss conditions and electrostatic pressure variation, while ...  
WO/2014/024359A1
Provided is a motor control device, a motor control method, and an air-blowing device with which control can be implemented to achieve a constant air quantity without relying upon pressure loss conditions and electrostatic pressure varia...  
WO/2014/023888A2
System for controlling the electromagnetic torque of an electric machine in particular for motor vehicle. System for control (1) of the electromagnetic torque of a permanent-magnet three-phase electric machine (10), comprising means (2) ...  
WO/2014/024360A1
Provided are a motor control device and a motor control method with which control can be implemented to accurately achieve a constant air quantity without relying upon pressure loss conditions and electrostatic pressure variation, while ...  
WO/2014/019882A1
The present invention relates to a method for detecting a fault in an electrical machine, in particular a synchronous motor, and to a motor control unit for controlling an electrical machine. In addition, the invention relates to a motor...  
WO/2014/017487A1
A main control circuit (11) for driving a motor is configured so as to have: a Pch FET (T11), which is provided in series with a diode (D1), and the source (S) of which is connected to a secondary-side contact (MC2) of a main contactor (...  
WO/2014/017019A1
A method for determining irregularity in an industrial machine driven using a motor. An irregularity is determined to be occurring in the industrial machine when the current difference between the motor current command value and the moto...  
WO/2014/017444A1
An audio signal that is output from an audio source circuit (14) is passed to a coil (16) in a transducer that vibrates a soundboard, and thereby generates an audio signal by vibration of the soundboard. A microcomputer (30) inputs the a...  
WO/2014/016767A1
An electric motor (1) with onboard inverter, comprising a motor body (2) which is associated with at least one output shaft (3) and supports an inverter (4) for adjusting the speed of the output shaft (3); the electric motor (1) comprise...  
WO/2014/017146A1
Provided is a technology of detecting not only a main direct current voltage, but also a sub-direct current voltage, thereby contributing to protection of a main rectifying circuit and a sub-rectifying circuit. A main power supply circui...  
WO/2014/012712A2
Methods for protecting an electric motor from overload, which serves to drive an actuation device, wherein first a critical operating state of the electric motor is deduced and, when a critical operating state is detected, measures for p...  
WO/2014/012712A3
Methods for protecting an electric motor from overload, which serves to drive an actuation device, wherein first a critical operating state of the electric motor is deduced and, when a critical operating state is detected, measures for p...  
WO/2014/010063A1
A motor controller comprises: a position detector having a detection element for outputting an analog sine wave in accordance with the movement of an object to be detected, an analog filter for filtering the analog sine wave outputted fr...  
WO/2014/005593A3
This invention relates to a method of controlling and a control system (100) for a superconductive rotating electric machine (200) comprising at least one superconductive winding (102; 103), where the control system (100) is adapted to c...  
WO/2014/006368A3
A method of controlling a brushless motor comprising sensing a temperature, using the sensed temperature to define a current limit, and sequentially energising and de-energising a winding of the motor, the winding being de-energised in r...  
WO/2014/006368A2
A method of controlling a brushless motor comprising sensing a temperature, using the sensed temperature to define a current limit, and sequentially energising and de-energising a winding of the motor, the winding being de-energised in r...  
WO/2013/189635A3
The invention relates to a method for controlling an inverter (10) using space-vector pulse width modulation, in particular to control an electric machine, the inverter being equipped with a plurality of controllable switches (S) and bei...  
WO/2013/189518A1
The invention relates to a method for transmitting information between an electric motor (2) and a motor control unit (4) by means of at least one transfer signal (T1, T2), wherein, as information, motion state information of the electri...  
WO/2013/189630A1
The invention relates to a method (40) for controlling an inverter (10) using space-vector pulse width modulation, in particular to control an electric machine (14), said inverter (10) being equipped with a plurality of controllable swit...  
WO/2013/189632A3
The invention relates to a method (60) for controlling an inverter (10) using space-vector pulse width modulation, in particular to control an electric machine (14), said inverter (10) being equipped with a plurality of controllable swit...  
WO/2013/189629A3
The invention relates to a method for controlling an inverter (10) using space-vector pulse width modulation, in particular to control an electric machine (14), the inverter (10) being equipped with a plurality of controllable switches (...  

Matches 251 - 300 out of 19,464