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WO/2021/047343A1 |
Provided are a method and device for protecting a DC line of a DC electrical power distribution grid, comprising: according to an electric current and voltage on the present side of a circuit, determining whether a line protection start ...
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WO/2021/049327A1 |
Provided is an actuator capable of obtaining high energy efficiency at low speed while having a compact configuration. This actuator is provided with a stator and a rotor. The stator includes a disk, a pillar including a permanent magnet...
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WO/2021/046993A1 |
Disclosed is a silent carbon-brush-free water stirring motor for a water stirring device, the water stirring motor comprising a water stirring motor bottom shell (1), wherein an inner cavity of the water stirring motor bottom shell (1) i...
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WO/2021/049133A1 |
The present invention provides a battery control apparatus with which it is possible to suppress temperature rise in a battery more effectively compared with conventional products in cases where the heat of the battery is absorbed using ...
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WO/2021/047729A1 |
The invention relates to an electrical machine (1) for driving a motor vehicle, comprising a housing (2), a stator (3), which is fixedly accommodated in the housing (2), and a rotor (4), which is mounted rotatably relative to the stator ...
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WO/2021/049787A1 |
An electronic apparatus includes: a plurality of input ports to which a plurality of first external devices are connected; a converter; an output port to which a second external device is connected; and a processor that controls the conv...
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WO/2021/050104A1 |
A system includes a motor operating with an angular velocity and an operational current, a motor controller circuit to issue control signals to the motor, and a stator resistance calculation circuit. The calculation circuit is to introdu...
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WO/2021/048935A1 |
In the present invention, a dual inverter is connected to the open-ended three-phase coil of a three-phase motor. The three-phase coil is connected to a three-phase grid and a DC power supply. The battery-side three-phase inverter of the...
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WO/2021/049517A1 |
An antenna device (101) is provided with a first coil (10) and a second coil (20). A part of the first coil (10) overlaps a coil opening (CO2) of the second coil (20), and a part of the second coil (20) overlaps a coil opening (CO1) of t...
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WO/2021/048978A1 |
A first power conversion circuit (150a) and a second power conversion circuit (150b) are connected in common to a power receiving part (110) connected to an input power supply (10) via a first noise filter circuit (25a) and a second nois...
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WO/2021/049124A1 |
This electric work machine is provided with: a motor having a stator and a rotor that is disposed inside the stator and that is rotatable about a rotational axis; and an output shaft that has an end tool mounted thereon and that is drive...
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WO/2021/047724A1 |
The invention relates to a rotor (22) for an electric motor (10), said rotor comprising: a rotor magnet carrier (24) which can be rotated about a rotational axis (14) and has at least one magnet recess (34); and at least one magnet (32) ...
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WO/2021/050650A1 |
A cell management module for a power supply module including a plurality of power cells includes at least one cell-sensing circuit and a current measurement circuit connected to the at least one cell-sensing circuit. The at least one cel...
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WO/2021/049720A1 |
A switching unit includes a plurality of switches for alternately switching a direct current voltage so as to convert the direct current voltage to an alternating current voltage, a resonance circuit unit is connected to the switching un...
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WO/2021/048408A1 |
The invention relates to a method and a device (10) for forming hairpin winding elements or similarly shaped winding elements from a conductor piece (12). According to the invention, a conductor piece (12) is continuously formed by a piv...
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WO/2021/046760A1 |
A method (100) for controlling a FID including a plurality of converters and a FID. The method comprises: receiving (102) a plurality of voltage signals indicating respective voltages of a plurality of load branches and a plurality of cu...
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WO/2021/047768A1 |
An electrical converter unit and a method for reducing thermal stress of a power semiconductor switch, such as an IGBT, of an electrical converter unit, the electrical converter unit comprising at least a gate control circuit wherein the...
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WO/2021/048999A1 |
To provide an electric power conversion device capable of suppressing error in output voltage due to deadtime, even if the pulse width of gate signals is narrow.　Provided are: a deadtime imparting unit (33) that imparts deadtime to onl...
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WO/2021/047221A1 |
A charging-discharging circuit and system, and an electric vehicle. The charging-discharging circuit comprises a battery (1), an electric motor (5), a first charging interface (6), a first bridge arm (2), a second bridge arm (3), a third...
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WO/2021/046687A1 |
An assembly (10) for indicating a working status of withdrawable circuit breaker, a corresponding withdrawable circuit breaker and method of producing the assembly (10). Then assembly (10) comprises a chassis (20), an input component (30...
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WO/2021/048666A1 |
A suspension assembly (10) comprising: a support member (12) for supporting an item; an elongate suspension article (14) defining a securing opening (30); and a securing device (16) on the support member (12). The support member (12) def...
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WO/2021/050607A1 |
The invention generally provides a busbar for use in mechanically and electrically connecting components in a device. The busbar includes a plurality of conductors arranged to provide two opposed end portions and an intermediate portion,...
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WO/2021/047983A1 |
The invention relates to an energy delivery system consisting of energy delivery devices for energy transmission independently of position through an air gap to at least one energy receiver; the energy delivery devices being arranged adj...
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WO/2021/048909A1 |
In the present invention, a rotor/stator is configured by stacking a plurality of thin magnets to form a rotor, and then layering a plurality of the rotors spaced apart from each other so that electromotive iron-core coils can be passed ...
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WO/2021/050004A1 |
The present disclosure relates to an apparatus for producing negative air ions from a plant, comprising:- a power supply module; a voltage pulse module connectable to the power supply module, the power supply module being configured to p...
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WO/2021/050630A1 |
A system includes an input voltage supply (102) and a switching converter coupled to the input voltage supply (102). The switching converter includes a transformer (T2) having a primary coil and a secondary coil. The switching converter ...
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WO/2021/047818A1 |
The invention relates to a method and an apparatus for the closed-loop control of the actual value of a controlled variable (y) of a system (1), in which (I) a control error (e) of the actual value of a controlled variable (y) from a pre...
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WO/2021/051117A1 |
The disclosed solar plank snow fence performs two separate but unique functions in one structure. The structure is capable of harnessing solar power through the use of photovoltaics to produce electricity and acting as a snow fence to mi...
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WO/2021/049500A1 |
This rotating electric machine (500) having a slotless structure has a cylindrical part (WA1) provided inside a stator core (522) in a radial direction and a facing plate part (550) extending radially outward from the cylindrical part. A...
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WO/2021/047956A1 |
The invention relates to a rotor (R) for an electric machine, the rotor (R) having a plurality of annular laminated core segments (BS) that are arranged one behind the other in the longitudinal direction of the rotor (R), and each lamina...
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WO/2021/049404A1 |
A control circuit 11 of the present invention controls the discharge of an X capacitor C100 connected between power supply lines AC1, AC2 of an AC-DC converter 51, the power supply lines being lines of alternating current of opposite pol...
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WO/2021/049757A1 |
Disclosed are a power supply device using a current transformer and a method for operating same. A power supply device using a current transformer according to an embodiment of the present invention comprises: a capacitor charged on the ...
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WO/2021/049452A1 |
This electric motor (1) comprises: a rotor (20) that has a shaft (21); a commutator (30) that is attached to the shaft (21); a first energizing brush (41) and a second energizing brush (42) in contact with the commutator (30); and a firs...
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WO/2021/050050A1 |
A plurality of wireless charging systems may be employed within a network at a venue or other physical area to precisely locate a battery-operated node of the network. The location of the node may then be used to manage a transaction bet...
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WO/2021/047722A1 |
The invention relates to a power electronics module (1) for an electrical drive machine (10) of a motor vehicle (2a, 2b, 2c), comprising multiple bus bars (2a, 2b, 2c) and a potting element (3) supporting the bus bars (2a, 2b, 2c) such t...
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WO/2021/047382A1 |
The present invention belongs to the technical field of wind power generation, and disclosed is a yaw motor. The objective of the present invention is to overcome the defect in which a brake in an existing yaw motor easily heats up and i...
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WO/2021/047762A1 |
Disclosed is a supply station (1) for supplying driving power means to a corresponding vehicle (27), the supply station (1) comprising a supply cable handling assembly (2) for handling a supply cable (3), the supply cable (3) having a fi...
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WO/2021/049620A1 |
The purpose of the present invention is to improve workability related to a terminal end portion of a branch line part while restricting a direction in which a base end portion of the branch line part extends with respect to a trunk line...
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WO/2021/049957A1 |
The invention relates to a power substation comprising all of the typical components, which allows reduced construction time, improved maintenance, disassembly and re-use, and reduced occupational hazards. For this purpose, each of the c...
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WO/2021/050847A1 |
A contactless charging apparatus (10) and method for contactless charging are disclosed. In one embodiment of the contactless charging apparatus (10), a primary electromagnetic structure (26) and a secondary electromagnetic structure (36...
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WO/2021/047679A1 |
A biped robot motor drive system and a smart temperature protection method. The motor drive system detects the temperature of key components such as a motor, a power switch transistor and a busbar electrolytic capacitor. After the temper...
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WO/2021/049622A1 |
Provided is a holding device capable of holding an electric device preferably. A battery replacement machine (10) holding a mobile battery (12) is provided with: a battery tray (16) on which the mobile battery (2) is held and which is pr...
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WO/2021/049516A1 |
This electronic device (201A) is provided with: a rectangular plate-shaped case (100) that has a first side (S1) and a second side (S2), which are the long sides thereof, and a third side (S3) and a fourth side (S4), which are the short ...
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WO/2021/048086A1 |
The invention relates to a stator (1) for an electric machine (401), comprising a plurality of pins (2, 21, 22, 23, 24, 25, 26, 31, 32, 33, 34, 35, 36) which are arranged in grooves (5, 51, 52, 53, 54, 55, 56, 57, 58) in the stator (1) i...
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WO/2021/049091A1 |
Provided is an electric power conversion device that is obtained by parallel connection of a plurality of power semiconductor modules and that can reduce switching loss while suppressing parasitic oscillation generated during switching o...
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WO/2021/049043A1 |
[Problem] To provide, in inverter devices having a DC/AC inverter and the like, parallel inverter devices in which parallel operation control associated with, for example, the increase of a power capacity can be easily performed without ...
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WO/2021/049453A1 |
An electric motor (1) comprises: a commutator (30) having a plurality of commutator segments (31); a first energizing brush (41) and a second energizing brush (42) which are in contact with the commutator (30); and a first auxiliary brus...
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WO/2021/046594A1 |
The invention is directed towards a modular energy storage system for receiving power from a source, storing energy within a storage module, and delivering power to a load. The system includes a master unit containing the storage module ...
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WO/2021/047568A1 |
Disclosed is a method for restraining a tail current and preventing malfunction protection maloperation. A fault current is processed by means of a differential filtering algorithm to acquire first current data; the fault current is proc...
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WO/2021/048183A1 |
The present invention concerns a stretching device (1), comprising at least a bracket (2) and a support (4) for a stretching rod (5) mounted so as to be able to move relative to the bracket (2), means for moving the support (4) verticall...
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