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Matches 1 - 50 out of 11,396

Document Document Title
WO/2019/156342A1
The present invention relates to a motor driving device which can reduce a load burden on a rotating shaft when a magnetic bearing is initially operated. When a rotor and a stator are initially aligned, the motor driving device can apply...  
WO/2019/145038A1
An electronically commutated electric motor (10) comprising a stator (12) with at least one stator coil (42), a permanent magnet rotor (14) rota table relative to the stator (14) about an axis of rotation (A) thereby generating an revolv...  
WO/2019/126843A1
A motor apparatus having a rotor that includes one or more permanent magnets disposed in ring-like manner, wherein similar poles of adjacent magnets face one another, and further wherein a gear mechanism (e.g., a toothed ring) is configu...  
WO/2019/129384A1
A motor control system includes a motor switching assembly comprising a power converter positioned on a converter path, a first relay positioned on the converter path upstream of the power converter, a second relay positioned on a bypass...  
WO/2019/129385A1
A compact motor control system for selectively controlling power from a power source to a load includes a motor switching assembly having a solid state contactor with a plurality of solid state switches. The motor switching assembly also...  
WO/2019/125205A1
The invention relates to the field of electrical engineering and can be used for independently supplying electrical consumers with electrical power. The technical result achieved consists in the manifold increase in continuous operating ...  
WO/2019/110090A1
The invention relates to an arrangement (1) comprising an asynchronous machine (5) having a rotor (7) and a stator (6), wherein the arrangement is set up in a generator mode for feeding electrical energy into an AC voltage network (4). T...  
WO/2019/097268A1
The invention is a control method for a centrifuge, wherein a motor (10) of the centrifuge is driven by a motor drive unit (15) and a control signal determining a desired motion of the centrifuge is supplied to the motor drive unit (15),...  
WO/2019/087364A1
As a means for determining the presence or absence of a failure of a rotation sensor, a control device of a direct current (DC) motor is provided which is capable of using an output signal of an inexpensive Hall element to generate posit...  
WO/2019/081366A1
The invention relates to a method for operating a double-fed asynchronous machine (1), the method having the following steps: - exciting an excitation winding (30) of a rotor (3) of the asynchronous machine (1) by an excitation unit (4),...  
WO/2019/072327A1
The invention relates to a method for starting and operating a BLDC motor, wherein the BLDC motor has a rotor (1), a stator (2) and a control and evaluation unit (3), wherein the rotor (1) has exciter magnets, and the stator (2) has at l...  
WO/2019/069363A1
A motor control device according to the present invention drive-controls a plurality of motors connected in parallel with each other, wherein the motor control device comprises: a power conversion device for converting electric power fro...  
WO/2019/067853A1
Unique systems, methods, techniques and apparatuses of an exciterless synchronous machine are disclosed. One exemplary embodiment is a salient pole rotor for an electric machine comprising one set of pole pairs including a first, second,...  
WO/2019/057931A1
An AC-AC power converter, such as a motor soft starter, includes an input connectable to an AC source with a disconnect switch, an output connectable to an AC load, and phase lines connecting the input and output to transmit power. In-li...  
WO/2019/052640A1
The invention relates to a method for operating a permanently excited synchronous machine (1), which has a stator (2) having a stator winding, a rotor (3) and a thyristor controller (4) for controlling phase currents (iu, iv, iw) of the ...  
WO/2019/052639A1
The invention relates to a method for operating a permanently excited synchronous machine (1) which is connected to a three-phase power system (8) and has a stator (2) with a three-phase stator winding, a rotor (3) and a thyristor contro...  
WO/2019/036506A1
A system comprises a stator magnetically coupled to a rotor and a plurality of conductor assemblies distributed evenly along a perimeter of the device, wherein each conductor assembly is evenly distributed into at least two branches of c...  
WO/2019/026110A1
The present invention has a control device (100) that is capable of switching windings between a star connection and a delta connection. The control device (100) controls an inverter (30) that applies a frequency- and voltage-variable al...  
WO/2019/026083A1
The present invention relates to a squirrel cage motor, comprising:a stator;a rotor core rotatably disposed axially in the stator; the rotor core having a first end face and a second end face; and a plurality of longitudinal slots radial...  
WO/2018/235189A1
A thyristor starting device (100) for accelerating a synchronous machine (20) from a stopped state to a prescribed rotation speed by sequentially executing a first mode for performing inverter (2) commutation by intermittently switching ...  
WO/2018/235187A1
A thyristor starting device (100) for accelerating a synchronous machine (20) from a stopped state to a prescribed rotation speed by sequentially executing a first mode for performing inverter (2) commutation by intermittently switching ...  
WO/2018/233211A1
Provided is a method for controlling a reversible magnetic starter of an explosion-proof electric multi-turn actuator, which is applied to an underground coal mine with an explosion-proof requirement. When a test/work mode selection swit...  
WO/2018/227121A1
A load control device may control power delivered from a power source, such as an alternating-current (AC) power source, to at least two electrical loads, such as a lighting load and a motor load. The load control device may include mult...  
WO/2018/209892A1
The invention discloses a dedicated controller and method for a household kitchen garbage disposal, wherein a circuit structure of the controller comprises a double-pole double-throw relay (K1) for controlling the switching of a motor se...  
WO/2018/202277A1
The invention relates to a method (100) for operating an electric motor (10), in particular a permanently excited synchronous motor, comprising the steps of: a) establishing an orientation (25) of the rotor (14) in relation to the stator...  
WO/2018/198406A1
The purpose of the present invention is to provide a motor control apparatus provided with a rotation position detector capable of detecting the rotation position of the motor every 90° by electric angle, wherein the phase at the start ...  
WO/2018/195559A3
A rotating field machine (200) including a stator (140) and a rotor (150) are provided. In particular, a dual-winding rotating field machine (200) in which the stator (140) includes two separate windings can be provided. In one example i...  
WO/2018/195559A2
A rotating field machine (200) including a stator (140) and a rotor (150) are provided. In particular, a dual-winding rotating field machine (200) in which the stator (140) includes two separate windings can be provided. In one example i...  
WO/2018/185511A1
This method for controlling an asynchronous electrical motor (32) of a compressor system (10), comprises: - connecting (100) a capacitor bank (50) of the compressor system (10) in parallel with a first electrical motor (32) of the compre...  
WO/2018/185514A1
This method for controlling asynchronous electrical motors of a compressor system, comprises: - receiving an order to start a first asynchronous electrical motor and a second asynchronous electrical motor of a compressor system; - unload...  
WO/2018/187346A1
A drive circuit for an electric pump motor is provided. The drive circuit includes an inverter and a contactor. The inverter is configured to supply variable frequency current to the electric motor. The contactor is configured to supply ...  
WO/2018/183783A1
A multispeed alternating current (AC) machine circuit is for an AC power source having a first side and a second side. The AC machine circuit includes two or more pairs of power switches, one or more windings, and a control circuit to cl...  
WO/2018/166553A1
The invention relates to a method for maintaining a detected absolute position of an electric motor operating as an actuator during a critical operation. The electric motor (2) is controlled by a controller (1) which is supplied with ene...  
WO/2018/167342A1
The invention consists in combining the use of a switched system in a permanent-magnet three-phase electric motor, by means of which the winding of the motor can be connected selectively in star or delta connection in order to increase t...  
WO/2018/168161A1
Provided is an electric hoisting machine with which, even in cases where a starting capacitor or and drive capacitor are mounted, an increase in size can be prevented and/or an increase in man-hours for mounting can be prevented. This el...  
WO/2018/162192A1
The invention relates to a method for operating an inverter (130) for a drive system (100). The inverter (130) is designed to electrically couple a direct-current source (110) to a drive device (120) of the drive system (100). The method...  
WO/2018/158220A1
The invention relates to a drive system for a working machine, comprising an electric main drive; a switching device for connecting the main drive to an electric main grid; an electric auxiliary drive; a frequency converter for controlli...  
WO/2018/160122A1
An electrical synchronous machine (1) comprises a rotor (20) with rotor field windings (22) and a stator (10) with stator windings as well as a rotor power supply (50) and a stator power supply (60). The rotor power supply (50) is arrang...  
WO/2018/160950A1
A motor control assembly (700, 900) may include a transformer (930) having a primary winding (932) through which AC power to a run winding of the motor passes, an AC current sensing circuit (770, 1000) connected to a secondary winding (9...  
WO/2018/150240A1
The invention of resistive soft start electromotor is a new method to resolve the problems and drawbacks of present soft starters including primary shock of current inrush and both conserves energy and is cost-effective. The inventive me...  
WO/2018/134840A1
The present invention relates to secured externally controllable standalone domestic board breaker system with available protection system which replaces electro-thermo-mechanical era of domestic supply board system, said system comprisi...  
WO/2018/132042A1
The invention relates to the field of operating and maintaining electric motors and is intended for restoring winding insulation to its original parameters. A method for controlling an electric motor is proposed, in which the resistance ...  
WO/2018/123524A1
A power generation device comprising: an electric motor (18) that has a first object, a second object, permanent magnets, and windings (15, 16, 17), and that generates an electromotive force in the windings by relative motion between the...  
WO/2018/112567A1
The present invention relates to a centrifugal switch (100) for activating a single-phase rotating electrical machine, comprising a support (200), an activating disc (300), counterweights (400), and elastic elements (500), wherein each c...  
WO/2018/108651A1
The invention describes a method for the computer-assisted operation of an electric motor (M) which is exposed to a thermal load as a result of the rotational motion of its rotor (T) during operation. In this method, measured data is rec...  
WO/2018/104417A1
Method for controlling the speed of rotation of an electric motor (M), notably an asynchronous electric motor, by means of a variable speed drive (10) supplied with power by a mains electrical power supply (L1, L2, L3), in which method i...  
WO/2018/104754A3
A method of controlling a switched reluctance motor is disclosed herein. The motor comprises a stator carrying a plurality of phase windings and a rotor. The method comprises activating the phase windings in a sequence selected to apply ...  
WO/2018/104754A2
A method of controlling a switched reluctance motor is disclosed herein. The motor comprises a stator carrying a plurality of phase windings and a rotor. The method comprises activating the phase windings in a sequence selected to apply ...  
WO/2018/096218A1
A dual actuated power pack (300) comprises a battery (104) and first (101) and second (102) electric motors, as well as a power generator (103). The first electric motor (101) is powered by the battery (104) and the second electric motor...  
WO/2018/086688A1
In order to achieve the energy efficiency class IE4 defined in IEC standard 60034, it is necessary to operate permanent-magnet synchronous machines directly from the supply system. Since this is not readily possible, soft-starting device...  

Matches 1 - 50 out of 11,396