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Matches 1 - 50 out of 11,510

Document Document Title
WO/2021/069315A1
Disclosed is a motor protection device (1). The motor protection device (1) includes an interrupter unit (11, Q1, Q2) for electrically connecting a power supply (Vcc) and an electric motor (M) in an operation mode and electrically discon...  
WO/2021/069926A1
A method of testing a motor of a robot arm for a fault during a start-up procedure of the robot arm. The robot arm comprises a first link connected to a second link by a joint, the joint permitting the second link to move relative to the...  
WO/2021/043769A1
The subject of the invention is a method for ascertaining the direction of rotation of a rotating field, wherein the rotating field is generated by three phase-offset AC currents. The rotating field corresponds to a rotating magnetic fie...  
WO/2021/043240A1
Provided are a pulse-width modulation (PWM) control-based motor phase current measurement method and air conditioner; said phase current measurement method comprises: during the process of starting a motor, measuring a current signal of ...  
WO/2021/032302A1
The invention is directed to a method for starting a sensorless single-phase electric motor (10), the electric motor comprising (10): - a permanent magnetic motor rotor (24), - an electromagnetic motor stator (12) with a stator coil (16)...  
WO/2021/010635A1
The present invention relates to a 4-phase switched reluctance motor which is configured as a 4-phase motor by coaxially arranging two 2-phase motor units, is capable of effectively driving forward and backward by calculating a switching...  
WO/2020/240593A1
A motor system includes a motor. The motor has a stator, which has a first stator winding. A relay is connected in series with the first stator winding. The motor system acquires a plurality of samples of voltage supplied to the motor an...  
WO/2020/240580A1
The motor system includes a motor, a quick disconnect (QD) relay, and a main relay. The motor includes a stator having a first stator winding. The motor system estimates power supplied to the motor based on a plurality of samples of the ...  
WO/2020/239385A1
The invention relates to a commutation method and to a single-strand EC motor with a winding strand with two winding connections, comprising a current regulating device in the winding strands between the winding connections, wherein the ...  
WO/2020/221985A1
A method of operating an electric or hybrid system comprising a synchronous reluctance electric motor coupled to an electric or hybrid powertrain is described herein. The method comprises determining (i) a torque demand required of the e...  
WO/2020/202469A1
This electric motor control device has: a power conversion device for supplying a voltage to a plurality of electric motors connected in parallel with each other; a plurality of relays provided corresponding to the plurality of electric ...  
WO/2020/201113A1
An automatic door operator is disclosed, including a main control circuit, an actuating unit configured to output torque, and a transmission device. The main control circuit controls operation of the actuating unit to drive a movement of...  
WO/2020/193054A1
The invention relates to a method for operating a drive system (100) of an electric vehicle, comprising an electric machine (54), an inverter unit (30) for actuating the electric machine (54), which has a torque control unit (32) and act...  
WO/2020/177262A1
Disclosed are a changeover switch control apparatus (200), a changeover switch and a rail vehicle. The changeover switch control apparatus (200) comprises a first trigger button (201), a first control circuit (202), a second trigger butt...  
WO/2020/178864A1
A system and method for starting a single phase brushed generator having an IC engine coupled with an alternator (100) is disclosed. The system comprises a voltage source (300), an electronic control unit (ECU) (200). The ECU is configur...  
WO/2020/162734A1
The present invention relates to an electromagnetic machine comprising: rotation shaft; a stator comprising a multi-phase winding wire; a mover (rotor 1) comprising the multi-phase winding wire and spaced apart from the stator at a prese...  
WO/2020/158196A1
This current control circuit controls drive current supplied to an inductive load and has: a first mode in which the duty of the drive current is controlled to 100% until the current value of the drive current reaches a first target curr...  
WO/2020/151883A1
The invention relates to a method for operating switching elements (40 to 56) of a multilevel energy converter (28) which uses at least three electric potentials (22, 24, 26) and to which a multiphase electrical machine (30) is connected...  
WO/2020/142942A1
A control method and controller for a motor, a distance measurement sensor, and a mobile platform. The method comprises: at step S110, detecting whether the ambient temperature of the motor is lower than a temperature threshold; at step ...  
WO/2020/128058A1
Method for determination of a location of a short circuit fault in a generator arrangement, generator arrangement, wind turbine, computer program and electronically readable medium Method for determination of a location of a short circui...  
WO/2020/119335A1
The present invention provides a wireless control motor start and stop system, comprising a motor, an alternating current contactor S3, a relay K1, a switch S1, a switch S2, a relay K2, a relay K3 and a control module, the control module...  
WO/2020/120587A1
The invention relates to an apparatus for providing packaging material, such as a corrugated board web section or a paper cushion material strand, by manipulation, in particular forming, conveying and/or separating a fiber starting mater...  
WO/2020/115630A1
DAHLANDER electromotor startup module automatically (after modifying the factors that cause the DAHLANDER electromotor to stop) used to launch and control the DAHLANDER electromotor in the field of industrial electricity. This module is ...  
WO/2020/114816A1
The invention relates to a method for a network synchronization of a permanently excited three-phase machine (M) with a soft starter (SS) which comprises thyristors (24) and with mechanical bypass contacts (26) for bridging the thyristor...  
WO/2020/109285A1
The invention relates to a modular switch apparatus (10) for controlling at least one electric drive (120), wherein the modular switch apparatus (10) has a mounting rail bus system (80) having a control line (81) and two power supply lin...  
WO/2020/099412A1
The proposed solution relates to an electric motor assembly, comprising at least one electric motor (1) and a control device (2) for controlling the electric motor (1), as well as an electronic detection device (3a, 3b) for detecting at ...  
WO/2020/097506A2
Techniques for managing a distributed control system for a motor control switch are described. A request to implement a first controller for a motor control switch is received. Embodiments determine a plurality of functional modules for ...  
WO/2020/080024A1
A power conversion device for converting electrical power from a DC power supply (30) and feeding the converted electrical power to a dynamo electrical machine (40), and driving the dynamo electrical machine, wherein the power conversion...  
WO/2020/078701A1
The invention relates to a brushed DC motor for driving a compressor, in particular compressed-air generation with a compressor and a brushed DC motor, preferably for a pneumatic spring system, a brake system or similar compressed-air co...  
WO/2020/069584A1
A starter assembly (1) comprising a circuit breaker (2), an electromagnetic contactor (3) coupled to an auxiliary module assembly (4) that includes an upper auxiliary module (4a) associated with the circuit breaker (2) and including a fi...  
WO/2020/064098A1
In order to achieve the energy efficiency class IE4 defined in the IEC standard 60034, it is necessary to operate permanently excited synchronous machines directly from the power supply system. Since this is not readily possible, soft st...  
WO/2020/064097A1
In order to achieve the energy efficiency class IE4 defined in IEC standard 60034, it is necessary to operate permanently excited synchronous machines directly on the mains. Since this is not readily possible, soft starters come into con...  
WO/2020/064099A1
In order to achieve the energy efficiency class IE4 defined in IEC standard 60034, it is necessary to operate permanently excited synchronous machines directly from the mains. Since this is not readily possible, soft-starting devices com...  
WO/2020/057823A1
The present invention relates to an electric motor (1) wherein the connection type is easily and correctly changed as delta or star connection by means of the terminal block plate (8) comprising the slide plate (9) without using any tools.  
WO/2020/043339A1
A method of controlling an electrical machine comprising stator windings which are re-configurable between a 3-phase configuration and a 3N-phase configuration, where n is an integer in the range of 1 to N, wherein the method comprises: ...  
WO/2020/016074A1
The invention relates to a drive unit (1). The drive unit (1) has at least two permanently excited synchronous motors (11, 12), at least two asynchronous motors (13, 14) and a transmission unit (20). The two permanently excited synchrono...  
WO/2020/016548A1
A method of controlling a brushless permanent magnet motor (14) includes measuring a mains power supply voltage of the motor (14). The method includes determining whether the mains power supply voltage lies within a first range represent...  
WO/2020/001515A1
The present application discloses an upper cover of a motor controller, a motor controller, a drive assembly and a vehicle. The upper cover of the motor controller comprises: a cover body, the surface of the cover body being provided wit...  
WO/2020/001945A1
The invention relates to a method for determining the position (ӨR) and the rotational speed (nR) of a rotor of an electrical machine during an active short circuit and a rotor-state determining device (10) designed to carry out the met...  
WO/2019/239704A1
The purpose of the present invention is to provide an electric cylinder system that initiates operation when a brake is definitely released. An electric cylinder system (100) comprises: an electric cylinder (10) that comprises a cylinder...  
WO/2019/232564A1
A method (500) for detecting a stall condition of an electric motor. The method can include initiating an open-loop phase (502). During the open-loop phase, the method can include increasing a rotational speed of an electric motor and ob...  
WO/2019/215195A1
Rotating electric machine comprising a main electric machine, an excitation machine whose rotor is adapted to rotate with a rotor of the main electric machine and produce magnetizing power to the main electric machine, and a controllable...  
WO/2019/211355A1
The present invention provides a drive control method applicable to a drive system comprising a driver, a bus and a motor, wherein the motor is directly connected to the bus (first connection mode) or connected to the driver (second conn...  
WO/2019/201824A1
The invention relates to a method for monitoring a start-up time (tA) of an electric motor (5) via a motor control device (10) connected upstream of the electric motor (5). The method comprises the following steps: detecting a start time...  
WO/2019/196321A1
Disclosed is a single-phase asynchronous motor, comprising a first working loop. The first working loop comprises a first main winding, a first auxiliary winding, and a first capacitor. The first auxiliary winding and the first capacitor...  
WO/2019/193621A1
By performing direct-current energization before start-up of first and second synchronous motors (7A, 7B), rotors of the synchronous motors (7A, 7B) are pulled into designated positions. In the direct-current energization, a difference b...  
WO/2019/184835A1
A three-phase asynchronous motor starting device and a starting method therefor, relating to the technical field of motors for solving the technical problem of improving the starting performance of a motor. The device comprises a three-p...  
WO/2019/180426A1
A turbogenerator method is described, the method comprising providing (101) a turbogenerator system comprising a generator, a turbine configured to rotate within said generator, and power electronics, providing (102) electrical power to ...  
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...  

Matches 1 - 50 out of 11,510