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Matches 151 - 200 out of 13,536

Document Document Title
WO/2015/090755A1
The invention results in improved switching from the idling mode to an active short circuit mode of an electric machine. According to the invention, the switch from the idling mode to the active electric short circuit mode is delayed unt...  
WO/2015/095149A1
A catheter procedure system includes a bedside system having a percutaneous device, at least one drive mechanism coupled to the percutaneous device and at least one motor coupled to the at least one drive mechanism. The system also inclu...  
WO/2015/093872A1
The present invention relates to an apparatus and method for supplying hybrid power using regenerative power generated from an offshore plant. According to one embodiment of the present invention, provided is an apparatus for supplying h...  
WO/2015/093873A1
The present invention relates to an apparatus and method for supplying hybrid power using a regenerative power generated in a marine plant. An embodiment of the present invention provides a hybrid power supply apparatus in a marine plant...  
WO/2015/090756A1
The present invention provides a device and a method for changing over an electric machine from the regular operating mode into the open-circuit mode. In order to avoid excessive increases in voltage and associated adverse effects on the...  
WO/2015/094238A1
A regenerative drive device and a method for configuring the DC link of a regenerative drive device are disclosed. The multilevel regenerative drive device may include an inverter having a plurality of power components and a converter ha...  
WO/2015/090754A1
The present invention provides a method and a device for operating an electric machine for a soft changeover from a normal or free-wheel mode to an active short-circuit. To this end, a voltage with which the electric machine is actuated ...  
WO/2015/093871A1
The present invention relates to an apparatus and a method for supplying hybrid power by using regenerative power generated at an offshore plant. According to an embodiment of the present invention, provided is an apparatus for supplying...  
WO/2015/082766A1
A motor assembly comprising a three-phase asynchronous machine equipped with three stator phases (L1, L2, L3), a capacitor assembly (10) to establish self-excited generator operation of the asynchronous machine, a load resistor assembly ...  
WO/2015/083213A1
A control device is used in an electric vehicle that uses a motor as a traveling drive source and is decelerated by the regenerative braking force of the motor when an accelerator operation amount decreases or becomes zero. The control d...  
WO/2015/079574A1
A control device for an electric vehicle in which a motor is a travel drive source and which decelerates using the regenerative braking force of the motor if the accelerator operation amount is decreased or is zero, wherein if the accele...  
WO/2015/068827A1
A vehicle control apparatus (100) is provided with an upper controlling device (17b) and a lower controlling device (17a). The upper controlling deice has: a first determining device (172) configured to determine whether or not the numbe...  
WO/2014/154317A3
The invention relates to a device, in particular a machine or plant, and method for operating a device, wherein an energy store and at least one inverter can be supplied in parallel from a DC/DC converter.  
WO/2015/063892A1
[Problem] To determine the occurrence of abnormality in a gate buffer. [Solution] A motor control device (1) that controls a motor and that comprises: a gate drive circuit unit (30) that drives an inverter unit; a PWM control unit (60) t...  
WO/2015/063865A1
A motor control device (2a) has a DC voltage unit (24a) for receiving DC voltage, a regenerative circuit (26a) provided in the DC voltage unit (24a), an inverter (21a) for converting the DC voltage of the DC voltage unit (24a) into AC vo...  
WO/2015/062708A2
The invention relates to a drive system comprising an inverter and a motor powered from the inverter by supply lines, wherein an electromagnetically actuated brake is mounted at the motor and wherein said brake can be supplied and theref...  
WO/2015/059555A1
A control device for a vehicle is equipped with second determination means for determining that the vehicle is stopped when first determination means determines that a rotational speed of a three-phase alternating-current electric motor ...  
WO/2015/051190A2
Systems and methods for energy storage and management may be useful for a variety of applications, including launch devices. A system can include a direct current (DC) bus configured to operate within a predetermined range of voltages. T...  
WO/2015/045740A1
An electric tool includes a brushless motor and an output part, which is driven by the brushless motor and to which a tip tool is mounted, and a tumbler switch. The tumbler switch applies, to the control unit, a stop signal for stopping ...  
WO/2014/096113A3
The invention relates to a method for controlling a sluice drive (200) for a sluice (100), in particular for a roller-type sluice, preferably in a water power plant (1000), wherein the drive has an electrical machine, in particular an as...  
WO/2015/039781A1
The invention relates to a system comprising a turbine and an electric machine (3) coupled mechanically thereto, wherein the electric machine generates electrical energy in the case of a drive by the turbine in an operating rotational di...  
WO/2014/181349A3
The present invention relates to a wind turbine with braking system for generating power at rated wind speed and stopping the turbine at predetermined conditions by means of selected number of generators (1). The wind turbine with brakin...  
WO/2015/020838A1
A CT system includes a gantry having a rotatable base and having an opening for receiving an object to be scanned, and an AC-to-DC converter coupleable to a 3-phase AC facility power, and coupled through a DC bus to a gantry motor to rot...  
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/2015/000930A1
The invention relates to a method for actuating a multiphase frequency converter for actuating an electric machine 8, said electric machine 8 being suitable as a traction drive of a vehicle. The frequency converter comprises power switch...  
WO/2015/000669A1
The description covers a method for controlling a multi-phase output stage of a permanent magnet electric machine (6), wherein the electric machine (6) is used to drive a motor vehicle, wherein the output stage comprises power switch pai...  
WO/2014/204551A2
A bidirectional low voltage power supply (LVPS) for providing power to motor drive electronics. The bidirectional LVPS includes two simple, discrete converters. A first converter is used to provide power to an output and the second conve...  
WO/2014/185123A1
The purpose of the present invention is to provide a motor control device for controlling a motor drive device which employs a regeneration resistance scheme, said motor control device allowing for accurate measurement of power consumpti...  
WO/2014/185278A1
An electric brake device in which, if a brake system stops while an electric brake is in operation, excessive retraction of friction pads can be prevented without consuming electrical power. When using an electric motor (12) to reverse a...  
WO/2014/181349A2
The present invention relates to a wind turbine with braking system for generating power at rated wind speed and stopping the turbine at predetermined conditions by means of selected number of generators (1). The wind turbine with brakin...  
WO/2014/182291A1
Embodiments are directed to charging a lead acid battery, providing by the battery a majority of energy required by a load and providing a remainder of the energy required by the load via an energy storage device, and capturing by the ba...  
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/2014/174633A1
A motor with a brake comprises: a motor body; an electromagnetic brake for braking the motor body; a DC voltage control circuit receiving a DC power supply voltage and outputting a DC voltage to the electromagnetic brake; and a motor hou...  
WO/2014/090830A3
The invention relates to a regulating body for a wristwatch, comprising: a generator provided with a rotor (12) and a stator with M+N coils (10, 10'), M being a whole number higher than, or equal to, 1; and an electronic regulating circu...  
WO/2014/149808A1
A window shade (60) having a power actuation system. The window shade includes a fixed member (63); a rotatable member (62) that is rotatable relative to the fixed member; a reversible motor (64) mounted to the fixed member, wherein the ...  
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/2013/124538A8
The invention relates to the monitoring of a brake (400, 500). The brake (400, 500) comprises first and second braking surfaces (204, 206) and magnetizing means (210) arranged to move the braking surfaces (204, 206) to an open state, in ...  
WO/2014/130201A1
An electric motor controller is configured to be coupled to an electric motor. The controller is also configured to control the electric motor to produce torque when direct current (DC) link voltage has a 100% voltage ripple, or when dir...  
WO/2014/125604A1
A motor drive circuit comprises: a CPU for controlling the operation of a bridge circuit by controlling the control voltage output from a pre-driver; a voltage detection circuit for detecting the voltage of a battery on the basis of the ...  
WO/2014/123713A2
A system or method controlling a variable speed drive based on PWM techniques, wherein a first PWM method is used when the input current is less than a predetermined threshold value, for higher efficiency and lower total harmonic distort...  
WO/2014/054031A3
A wind power turbine for producing and feeding electric energy to an electric power grid (9); the wind power turbine (1) having : a blade assembly (5); at least one electric machine (6) connected to the blade assembly (5) to generate ele...  
WO/2014/096113A2
The invention relates to a method for controlling a sluice drive (200) for a sluice (100), in particular for a roller-type sluice, preferably in a water power plant (1000), wherein the drive has an electrical machine, in particular an as...  
WO/2014/091602A1
This motor control device is provided with: an inverter circuit that has a plurality of P-side switching elements and a plurality of N-side switching elements and that drives a motor via a plurality of motor terminals; a first dynamic br...  
WO/2014/089255A2
Embodiments of methods of controlling a motor for driving a load are disclosed herein. Exemplary methods include providing energy to a motor, sensing a parameter indicative of current. Determining the end of an inrush current and a start...  
WO/2014/075742A1
The invention relates to a switching device (1) with a control apparatus (2), a supply connection (7), a power supply (19) and a first flow path of current (15), wherein the supply connection (7) is connected to the power supply (19) and...  
WO/2014/075743A1
The invention relates to a switching device (1) with a control apparatus (2), a supply connection (7), a power supply (19) and a first flow path of current (15) which comprises a first electromechanical switch (11) and a parallel circuit...  
WO/2014/053704A1
Monitoring a brake (402) that comprises first (202,204) and second (206,204) braking surfaces and magnetizing means (210) that, in response to the electric current supplied to them, are arranged to generate a magnetic field that is arran...  
WO/2014/054031A2
A wind power turbine for producing and feeding electric energy to an electric power grid (9); the wind power turbine (1) having : a blade assembly (5); at least one electric machine (6) connected to the blade assembly (5) to generate ele...  
WO/2013/137480A3
An electric tool for driving a tip tool, the electric tool includes: a removable battery; the brushless motor configured to generate a driving force for driving the tip tool; an inverter circuit configured to supply drive power from the ...  
WO/2014/045728A1
In the present invention, so-called a no-excitation-activation type electromagnetic brake control device is equipped with: a first brake control circuit (201) that has a first arithmetic unit (121) for performing arithmetic processing in...  

Matches 151 - 200 out of 13,536