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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...
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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...
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WO/2020/074116A1 |
Method for monitoring the operation of an electric motor, and lifting mechanism, wherein the motor current is detected, wherein the electric motor has a, in particular electromagnetically operable, brake, in particular a holding brake, w...
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WO/2020/069737A1 |
The invention relates to a brake system (1) for a rail vehicle (40). The rail vehicle (40) comprises a plurality N of wheelsets (10), each wheelset (10) comprising a first wheel (11) and a second wheel (12) which are connected to a wheel...
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WO/2020/069766A1 |
The invention relates to a wheelset (1) for a standard-gauge railway vehicle, comprising a first wheel (1) and a second wheel (12) connected thereto by means of a wheelset shaft (13). According to the invention, at least one recuperative...
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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...
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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...
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WO/2020/064422A1 |
The invention relates to a belt conveyor device (1) and to a method for stopping a belt conveyor device (1) in a controlled manner. In particular for directly driven belt conveyor devices (1), an event (E) such as a power failure can lea...
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WO/2020/058445A1 |
The invention relates to a control device (2) for an inverter (1) which comprises three half-bridges (9u, 9v, 9w) each having a first power switching element (11u, 11v, 11w) connected to a first DC voltage potential (10) and having a sec...
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WO/2020/052851A1 |
The invention relates to a method for controlling the rotational speed or the torque of a motor for protecting a suppressor diode (13) in a control device of a vehicle, wherein the suppressor diode (13) converts recovered energy from the...
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WO/2020/049079A1 |
For controlling an electric motor to maintain a current motor position, a motor controller determines the current motor position of the electric motor and selects (S41 ) from a set of stable positions, defined by cogging torque of the el...
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WO/2020/045146A1 |
This shift range control device (40) controls the drive of a motor (10) having a motor winding (11), thereby switching a shift range and is provided with a drive circuit (41) and a control unit (50). The drive circuit (41) has switching ...
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WO/2020/044458A1 |
This electric motor drive device for ship propulsion of an embodiment has a power conversion unit and a control unit. The control unit operates an induction motor by controlling the power conversion unit on the basis of a first reference...
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WO/2020/025634A1 |
The invention mainly concerns an assembly for a motor vehicle, comprising: - a battery (24) comprising an internal resistance (r), and - at least one rotating electric machine (19) associated with a power inverter (21), the rotating elec...
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WO/2020/025164A1 |
The invention relates to a method for operating a drive system, and to a drive system, comprising a rectifier, at least one inverter having an electric motor, wherein the electric motor is connected to the AC-voltage side of the inverter...
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WO/2020/025611A1 |
The invention relates mainly to an assembly for a motor vehicle, comprising: a rotating electrical machine (19) that can operate in a motor mode and in a generator mode, particularly during a regenerative braking phase, said rotating ele...
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WO/2020/020719A1 |
Inverter-based apparatus (1) configured to control an electric motor (2), the inverter-based apparatus comprising: an input stage (4) configured to convert an alternating voltage AC to a rectified DC voltage; an electrolytic-capacitor-le...
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WO/2020/021005A1 |
Laundry treating machine (100) comprising: a casing (103), a laundry drum (104) mounted inside the casing (103) to rotate about a rotation axis, an electric motor (2) designed to rotate the laundry drum (104), an inverter-based apparatus...
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WO/2020/002211A1 |
The invention relates to a device for speed-dependent braking torque control for electrical machines excited by permanent magnets, wherein a switching element (2) deliberately short-circuits the electrical machine (3) and thus generates ...
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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...
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WO/2019/245064A1 |
The present invention relates to a generator and a generator control method, the generator comprising: an input shaft rotated by an external force; a first generation module including a first rotor, which has a fixed first magnetic force...
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WO/2019/240168A1 |
[Problem] The purpose of the present invention is to provide a brake circuit discharge system that can quickly and reliably stop a power source. [Solution] A brake circuit discharge system 100 of the present invention comprises: a motor ...
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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...
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WO/2019/229791A1 |
An inverter device (3x) comprises: a voltage detection unit (33x) that detects a direct-current voltage between DC busbars (2x) and outputs a detected voltage (Vdcx); a regeneration circuit (34x) that has a series circuit of a resistor (...
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WO/2019/208473A1 |
This power consumption device is made to consume power until a current flowing through a power consumption element (for example, a resistance element) reaches a prescribed upper limit. A monitor voltage conversion unit 20 converts a volt...
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WO/2019/206551A1 |
The invention relates to a device for protecting an electrical machine in the event of a fault, the electrical machine having six phase terminals. The device has a monitoring unit for detecting a fault of the electrical machine and a swi...
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WO/2019/204455A1 |
A brake-generator system and associated method including: a rotor secured to a vehicle wheel, the rotor including a housing cylinder and a plurality of magnets affixed to an inner surface of the housing cylinder, where the plurality of m...
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WO/2019/197668A1 |
The invention relates to an electric actuator (20) comprising a casing (35) having a base (15), on which an electric motor (1) is fixed having a stator (22) with radially extending straight teeth and having a plurality of coils (23) and ...
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WO/2019/187059A1 |
This motor drive device is provided with an inverter (4) capable of being connected to n (n is an integer of 2 or more) motors (41, 42) each having a permanent magnet in the rotor. The motor drive device performs a braking operation on i...
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WO/2019/170351A1 |
The approach presented here relates to a method for operating a drive system (105) for a vehicle (100). The drive system (105) comprises an electric drive device (115), a battery (120) with a battery contactor (125) and an inverter (130)...
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WO/2019/166189A1 |
A safety device comprising a safety module (3) and a safety control module (4) and a method to reduce a speed of an unwanted clutch engagement when a malfunction of a motor (2) for a clutch control actuator occurs (the power supply for t...
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WO/2019/167427A1 |
The motor drive control device (1) according to the embodiments comprises: an interphase short circuit part (40) that is connected to at least two phases of coil from among three phases of coil (Lu, Lv, Lw) and, in response to a short ci...
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WO/2019/167428A1 |
The motor drive control device (1) according to the embodiments comprises: a motor drive part (10) that selectively energizes three phases of coil (Lu, Lv, Lw) of a motor 3; a motor control part (20) that outputs a drive control signal t...
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WO/2019/154567A1 |
The invention relates to a brake device for an electric motor (12), which has at least one armature winding (14) and at least one field winding (16), comprising at least one open-loop and/or closed-loop control unit (18) at least for ope...
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WO/2019/149416A1 |
The invention relates to a device for protecting at least one consumer in an on-board power supply, particularly of a motor vehicle, comprising at least one switching means (32) for supplying at least one consumer (22, 26, 28, 46) with e...
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WO/2019/150793A1 |
The present invention quickly stops rotation of an electric compressor while preventing damage to a switching element. An electric compressor 1 comprises a motor drive circuit 52 having a plurality of switching elements IGBT Q1 to Q6, a ...
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WO/2019/137865A1 |
The invention relates to a brake device for an electric motor (12) comprising at least one first switch unit (14), which has at least two switch element (16, 18, 20), and at least one second switch unit (22), which has at least two switc...
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WO/2019/138006A1 |
The invention relates to a method for controlling a multi-phase motor by means of a control circuit, in which the control circuit comprises a plurality of transistors, and a first path and a second path are provided for each phase of the...
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WO/2019/137818A1 |
The invention discloses an electrically driven tool having an electric motor for directly or indirectly driving a tool holder and tool inserted in the tool holder, at least one actuator for braking the tool holder, an energy store or a c...
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WO/2019/136492A1 |
Systems and methods are disclosed for adaptive regeneration systems for electric vehicles. In one embodiment, an example method may include determining, by an adaptive regeneration system, that an electric vehicle is decelerating, determ...
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WO/2019/136130A1 |
A power tool including a three-phase DC motor, a power switching network, a power source, and an electronic processor. A first phase of the motor is connected between a first high side electronic switch and a first low side electronic sw...
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WO/2019/131331A1 |
This shift range control device (40) switches a shift range by controlling the driving of a motor (10). An angle calculation unit (51) calculates a motor angle that is a rotation angle of the motor (10) on the basis of a detected value d...
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WO/2019/122224A1 |
The invention describes an electromechanical system for transferring rotational energy, torque and power in a powertrain, to which a first, a second and a third machine for energy conversion (2, 3, 4) are coupled, and a superimposed gear...
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WO/2019/121917A1 |
Control unit (17) for controlling an inverter (3) with a DC link capacitor (6), with a plurality of output phases (20) and with a plurality of switching elements (13, 14) being arranged in half bridges (10) and being connected to the DC ...
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WO/2019/116551A1 |
This motor drive system (5) is provided with a plurality of inverter devices (3a)-(3n) connected in parallel with each other to a DC bus line (2). The inverter devices (3) are each provided with: a power conversion circuit (31) for conve...
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WO/2019/107872A1 |
A home appliance having a motor according to the present invention comprises: an inverter unit; and an inverter control unit for controlling a switching operation of the inverter unit, wherein the inverter control unit generates a brakin...
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WO/2019/107871A1 |
In order to achieve a solution to a technical problem to be solved by the present invention, a motor drive apparatus according to the present invention comprises: a DC-side capacitor charged with direct current power; an inverter unit co...
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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),...
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WO/2019/081227A1 |
The invention relates to an electrical control system for an electric motor of a robot, which comprises a rectifier circuit, a DC voltage intermediate circuit and a multichannel inverter module. A first inverter circuit of the inverter m...
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WO/2019/078045A1 |
The present invention obtains a motor drive device having a long life. The motor drive device (11) is provided with a motor drive circuit (3) for supplying AC current to a motor (2) and a dynamic brake circuit (4). The dynamic brake circ...
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