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WO/2023/144881A1 |
An electric motor drive device (100) comprises: a wiring connection determination control unit (30) that outputs a wiring connection switching signal indicating which of the windings of a stator of an electric motor (2) should be switche...
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WO/2023/145598A1 |
Disclosed is a drive device for a field winding-type rotating electrical machine that drives a field winding-type rotating electrical machine in which a rotor winding is wound around a rotor core. The drive device comprises an electrical...
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WO/2023/145732A1 |
In the present invention, an electric machine system comprises an electric machine and a controller. The electric machine has a stator including a first winding set and a second winding set, and a rotor which includes a magnet and is cap...
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WO/2023/143754A1 |
The invention relates to a method for determining an advance control angle (W) of a synchronous motor (10), comprising the following method steps: actuating a winding system (14) of the synchronous motor (10) to set a defined operating p...
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WO/2023/145174A1 |
The present invention comprises a coil 107 that includes a core 105 and a winding 106, a current detector 109 that detects current flowing through the winding 106 of the coil 107, a drive unit 108 that supplies voltage to the coil 107, a...
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WO/2023/143714A1 |
The invention relates to a method for determining a load angle (LW) of a synchronous motor (10; 110), having the following steps: actuating a winding system (14) of the synchronous motor (10; 110) in order to set a defined working point ...
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WO/2023/139734A1 |
This variable speed synchronous generator-motor device, in which current control is performed by connecting a frequency converter to an armature coil of a synchronous machine and converting the armature current of the synchronous machine...
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WO/2023/135309A1 |
An inverter for an electric motor comprises first, second, third, and fourth current sensors configured to generate signals indicative of first, second, fourth, and sixth phase currents flowing through first, second, fourth, and sixth ph...
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WO/2023/135936A1 |
The linear transport system of the present invention comprises: a move command generation unit 41 for generating a move command for a mover 3 that is movable along a rail; a plurality of drive modules 42-1, 42-2 disposed along the rail a...
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WO/2023/135893A1 |
In a linear motor, three coils are driven by applying a current in which the U phase, V phase, and W phase differ by 120°. Because a core is discontinuous at both ends in the movement direction of an armature, there is a difference in t...
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WO/2023/137257A1 |
An example converter for a switched reluctance (SR) generator (108) includes one or more gate driver circuits (112) that are not only used to synchronously control switches, such as insulated gate bipolar transistors (IGBTs) (Q7,Q8, Q9, ...
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WO/2023/123783A1 |
Provided are multi-phase motor control method and apparatuses, and a readable storage medium. The method comprises: when a multi-phase motor has a phase loss fault, acquiring a current position of a rotor of the multi-phase motor; accord...
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WO/2023/123741A1 |
Provided is a full speed range flying start method for a high-speed permanent magnet synchronous machine, relating to the technical fields of power generation, power transformation or power distribution. It is directed to starting based ...
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WO/2023/124921A1 |
Disclosed in the present invention are a torque estimation method and apparatus for a permanent magnet synchronous motor, and a device and a storage medium. The method comprises: acquiring a motor operation parameter in real time; and in...
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WO/2023/126356A1 |
To specify an improved method in comparison with the prior art for operating an electromagnetic transport device (1), a region summation current (I m ∑) is determined for a neutral point region of the long stator (2) of the transport d...
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WO/2023/115711A1 |
Provided is a current distribution control method for a claw-pole motor. When an input instruction torque Tref is met, a reasonable distribution ratio of excitation current If of a rotor to current Iq of a stator armature winding enables...
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WO/2023/120568A1 |
A switching device (10) for an AC motor is a device for controlling switching of an AC motor (4), and comprises a switching unit (20) for switching the connection state of multi-phase windings (71, 72, 73). The switching unit (20) switch...
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WO/2023/120148A1 |
A stator (40) comprises a stator core (41) and a coil (42). The coil (42) has a plurality of phase windings each having at least a first winding (74A) and a second winding (74B), and the connection states of the first winding (74A) and t...
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WO/2023/116133A1 |
Disclosed in the present application are a motor-based vibration sense adjustment method and device, and a computer-readable storage medium. The method comprises the following steps: performing displacement prediction on a motor by frequ...
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WO/2023/120147A1 |
This stator (40) comprises a stator core (41) and a coil (42). The coil (42) has a plurality of phases of phase windings including at least a first winding (74A) and a second winding (74B), and the connection state of the first winding (...
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WO/2023/115861A1 |
Provided are a method and apparatus for controlling a switched reluctance electric motor, and a cooking device and a storage medium. The method comprises: when it is detected that a switched reluctance electric motor starts a target rota...
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WO/2023/120799A1 |
Disclosed are a device and a method for controlling the thrust ripple of a linear transport system including a magnet plate and a coil, or a stator and a mover that are equipped with a coil and a magnet plate, respectively. The control d...
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WO/2023/111415A1 |
The invention relates to a control device for controlling a synchronous electric motor comprising a rotor and a stator, said stator being equipped with a winding (Ph1, Ph2, Ph3) that is energized electrically by an inverter, said inverte...
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WO/2023/114837A1 |
Power tools that include a housing, a motor supported by the housing, a battery pack interface configured to receive a battery pack that includes a plurality of battery cells, an inverter positioned between and electrically connected to ...
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WO/2023/111682A1 |
According to an embodiment, a DC/DC voltage converter (108, 112) is disclosed, configured as an electrical supply for a magnetic bearing control system (111) comprising a regulation unit, configured to regulate the DC/DC voltage converte...
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WO/2023/109421A1 |
A dead zone compensation method and apparatus, a computer device, a computer readable storage medium, and a computer program product. The method comprises: (S102) acquiring a dead zone compensation time setting value and an action time s...
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WO/2023/107976A1 |
A power tool includes a motor, a switching module, a plurality of rotor position sensors, and a controller. The switching module includes a plurality of high-side switches and a plurality of low-side switches. The rotor position sensors ...
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WO/2023/107529A1 |
A driver system (100) operable to supply a drive signal to a motor includes a system input (106) adapted to be coupled to an input voltage and a system output (110) adapted to be coupled to the motor. The driver system (100) includes a h...
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WO/2023/097915A1 |
A field weakening control method and apparatus for a motor, a motor controller, a motor control system, and a medium. The method comprises: acquiring a direct current bus voltage, and determining the phase of an alternating current input...
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WO/2023/099061A1 |
The invention relates to a method for operating an electric drive system (7) comprising: an electric machine (1) which has a rotor (3) having a rotor shaft (5); a sensor assembly for measuring a rotor angle (α) of the rotor (3); a trans...
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WO/2023/098941A1 |
The invention relates to a method for controlling the position of a rotor (103) of an electric machine, in particular a permanently-excited synchronous machine, with two separate winding systems, wherein each of the winding systems is co...
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WO/2023/095578A1 |
A linear conveying system 1 is provided with a stator 2 and a plurality of movers 3 driven with respect to the stator 2 and comprises: magnetic scales 321 attached to the movers 3 and serving as a target to be positioned; a magnetic posi...
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WO/2023/092808A1 |
A method for controlling counter-electromotive force in a train, comprising: a train control and management system (TCMS) delivering to a traction control unit (TCU) an instruction of opening a main circuit breaker (S101); and after the ...
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WO/2023/089737A1 |
This linear motor comprises: a stator member that includes a stator; a movable element that moves by being guided by the stator member; a detection unit that detects the state of the stator member; and a control unit that controls the dr...
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WO/2023/087516A1 |
A fracturing apparatus and an activation method therefor, and a fracturing apparatus set. The fracturing apparatus (100) comprises a fracturing pump (110), an electric motor (120), and an activation device (130), wherein the fracturing p...
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WO/2023/088283A1 |
Disclosed in the present invention are a pole changing method for an asynchronous electric motor, a derived system, a component, a new energy vehicle, etc. In the present invention, the number of poles of an asynchronous electric motor (...
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WO/2023/087607A1 |
A nonlinear and adaptive alternating-current servo electric motor angular position control method and system. The method comprises: acquiring original electric motor rotor angular position data; inputting the original electric motor roto...
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WO/2023/084438A1 |
Method for reconfiguring an electric machine including a rotor arranged to rotate with an angular speed (ω), the electric machine being arranged to pass from a first configuration (config1) to a second configuration (config2), the metho...
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WO/2023/084435A1 |
An electric or hybrid electric-endothermic traction system comprises an electric machine (2), an inverter (5), a battery pack (Batt), and a switching device (4) associated with the electric machine (2) and configured to switch it between...
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WO/2023/084432A1 |
An electric or hybrid electric-endothermic traction system, comprises an electric machine (2), an inverter (5), a battery pack (Batt), and a switching device (4) connected to the electric machine (2) and configured to switch it between a...
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WO/2023/084901A1 |
Provided is a conveyance device that conveys a conveyance object having a magnetic body, said conveyance device comprising: a plurality of coils that generate magnetic flux which acts on the magnetic body; a coil driving unit that applie...
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WO/2023/086339A1 |
A safety switching system and method for braking an electric motor in a mobile device. A multi-phase shorting system brakes the motor by diverting power from the motor windings. Multiple independent switching units each include a switch ...
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WO/2023/077930A1 |
A linear motor driving method and circuit, and a related apparatus. The method is applied to a linear motor driving circuit. The linear motor driving circuit comprises a power source module, a control module, a driving module, a linear m...
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WO/2023/078798A1 |
The invention relates to a measuring assembly (21) having a measuring circuit (22), which is arranged on or in an electrical machine (10), and an evaluation unit (24), which is arranged outside the electrical machine (10) and is connecte...
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WO/2023/078667A1 |
The invention relates to an inductively electrically excited synchronous machine (1), comprising: - a rotor (2), which has a rotor coil (5) for generating a rotor field and a transformer secondary coil (6) for supplying the rotor coil wi...
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WO/2023/078740A1 |
The invention relates to an electric drive (17) comprising an electric machine (1) which is designed as a synchronous motor, a reluctance motor, or a permanent magnet-supported synchronous reluctance machine, wherein the stator windings ...
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WO/2023/078669A1 |
The invention relates to data transmission between a secondary side (3) of a transformer device (1), which is used for inductively transmitting electrical energy from a DC voltage source (4) to a consumer (11), and a primary side (2) of ...
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WO/2023/078668A1 |
The present invention relates to an inductively electrically excited synchronous machine (1), having: a rotor (2), which has a rotor coil (5) for generating a rotor field and a transformer secondary coil (6) for supplying the rotor coil ...
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WO/2023/071641A1 |
The present invention belongs to the technical field of linear resonant actuators. Disclosed are a control method and apparatus for a linear resonant actuator, and a device and a medium. The method comprises: acquiring the current vibrat...
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WO/2023/071644A1 |
The present application relates to a construction method and apparatus for a directional vibration waveform and an adjustment method and apparatus for a directional vibration waveform. The construction method comprises: constructing a pi...
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