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1. WO2020193353 - INDUCTION MOTOR

Publication Number WO/2020/193353
Publication Date 01.10.2020
International Application No. PCT/EP2020/057582
International Filing Date 19.03.2020
Chapter 2 Demand Filed 07.07.2020
IPC
H02K 3/02 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
3Details of windings
02Windings characterised by the conductor material
H02K 17/16 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
17Asynchronous induction motors; Asynchronous induction generators
02Asynchronous induction motors
16having rotors with internally short-circuited windings, e.g. cage rotors
H02K 19/10 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
19Synchronous motors or generators
02Synchronous motors
10for multi-phase current
H02K 19/14 2006.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
19Synchronous motors or generators
02Synchronous motors
14having additional short-circuited windings for starting as asynchronous motors
CPC
H02K 17/165
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
17Asynchronous induction motors; Asynchronous induction generators
02Asynchronous induction motors
16having rotors with internally short-circuited windings, e.g. cage rotors
165characterised by the squirrel-cage or other short-circuited windings
H02K 19/10
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
19Synchronous motors or generators
02Synchronous motors
10for multi-phase current
H02K 19/14
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
19Synchronous motors or generators
02Synchronous motors
14having additional short-circuited windings for starting as asynchronous motors
H02K 3/02
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
3Details of windings
02Windings characterised by the conductor material
Applicants
  • ABB SCHWEIZ AG [CH]/[CH]
Inventors
  • GROP, Henrik
  • PERSSON, Holger
Agents
  • KRANSELL & WENNBORG KB
Priority Data
19164551.422.03.2019EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) INDUCTION MOTOR
(FR) MOTEUR À INDUCTION
Abstract
(EN)
A rotor (3) for an electric machine (1) is described. The rotor (3) comprises a rotor axis (4) about which the rotor (3) is configured to rotate, and at least one conducting element configured to conduct current in the direction of the rotor axis (4). The rotor is characterized in that the resistivity within the conducting element decreases with a decreasing distance from the rotor axis (4).
(FR)
L'invention concerne un rotor (3) pour une machine électrique (1). Le rotor (3) comprend un axe de rotor (4) autour duquel le rotor (3) est conçu pour tourner, et au moins un élément conducteur conçu pour conduire un courant dans la direction de l'axe de rotor (4). Le rotor est caractérisé en ce que la résistivité à l'intérieur de l'élément conducteur diminue avec une distance décroissante par rapport à l'axe du rotor (4).
Also published as
Latest bibliographic data on file with the International Bureau