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1. WO2020067576 - CONTROL DEVICE FOR POWER CONVERSION DEVICE, AND MOTOR DRIVE SYSTEM

Publication Number WO/2020/067576
Publication Date 02.04.2020
International Application No. PCT/JP2019/038828
International Filing Date 25.09.2019
IPC
H02P 23/30 2016.01
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
23Arrangements or methods for the control of AC motors characterised by a control method other than vector control
30Direct torque control or field acceleration method
CPC
H02P 21/09
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
21Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
06Rotor flux based control involving the use of rotor position or rotor speed sensors
08Indirect field-oriented control; Rotor flux feed-forward control
09Field phase angle calculation based on rotor voltage equation by adding slip frequency and speed proportional frequency
H02P 21/13
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
21Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
13Observer control, e.g. using Luenberger observers or Kalman filters
H02P 21/141
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
21Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
14Estimation or adaptation of machine parameters, e.g. flux, current or voltage
141Flux estimation
H02P 21/18
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
21Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
14Estimation or adaptation of machine parameters, e.g. flux, current or voltage
18Estimation of position or speed
H02P 21/20
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
21Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
14Estimation or adaptation of machine parameters, e.g. flux, current or voltage
20Estimation of torque
H02P 21/22
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
21Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
22Current control, e.g. using a current control loop
Applicants
  • TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION [JP]/[JP]
Inventors
  • XU, Yang
  • BIXEL, Paul
  • MORITO, Chikara
Agents
  • TANAI, Sumio
Priority Data
16/264,03131.01.2019US
62/737,12527.09.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CONTROL DEVICE FOR POWER CONVERSION DEVICE, AND MOTOR DRIVE SYSTEM
(FR) DISPOSITIF DE COMMANDE DE DISPOSITIF DE CONVERSION DE PUISSANCE, ET SYSTÈME D'ENTRAÎNEMENT DE MOTEUR
Abstract
(EN)
A control device (10) for a power conversion device (3) according to an embodiment includes a drive control unit (16) controlling a current that is caused to flow through a stator winding of a motor (2), a drive quantity adjustment unit (14) calculating a drive quantity command value defining a drive quantity of the motor, a magnetic flux observer (22) calculating calculates a first estimated value of a stator magnetic flux of the motor and a first estimated value of a rotor magnetic flux of the motor, a current observer (21) calculating a first estimated value of the current flowing through the stator winding of the motor, and an average correction unit (30) performing calculation on the first estimated values of the stator magnetic flux of the motor. The drive quantity adjustment unit (14) calculates a control quantity defining the drive quantity of the motor on the basis of the first estimated values of the stator magnetic flux of the motor.
(FR)
L'invention, selon un mode de réalisation, concerne un dispositif de commande (10) de dispositif de conversion de puissance (3) comprenant une unité de commande d'entraînement (16) commandant un courant qui est amené à circuler à travers un enroulement de stator d'un moteur (2), une unité de réglage de quantité d'entraînement (14) calculant une valeur d'instruction de quantité d'entraînement définissant une quantité d'entraînement du moteur, un observateur de flux magnétique (22) calculant une première valeur estimée d'un flux magnétique de stator du moteur et une première valeur estimée d'un flux magnétique de rotor du moteur, un observateur de courant (21) calculant une première valeur estimée du courant circulant à travers l'enroulement de stator du moteur, et une unité de correction de moyenne (30) appliquant un calcul aux premières valeurs estimées du flux magnétique de stator du moteur. L'unité de réglage de quantité d'entraînement (14) calcule une quantité de commande définissant la quantité d'entraînement du moteur sur la base des premières valeurs estimées du flux magnétique de stator du moteur.
Also published as
Latest bibliographic data on file with the International Bureau