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1. (WO1985004535) ARRANGEMENT FOR THE CONTROL OR REGULATION OF THE ROTATION SPEED AND/OR THE TORQUE OF AN INDUCTION MOTOR
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1985/004535 International Application No.: PCT/EP1985/000144
Publication Date: 10.10.1985 International Filing Date: 02.04.1985
IPC:
G05F 1/38 (2006.01)
G PHYSICS
05
CONTROLLING; REGULATING
F
SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
1
Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
10
Regulating voltage or current
12
wherein the variable is actually regulated by the final control device is ac
32
using magnetic devices having a controllable degree of saturation as final control devices
34
combined with discharge tubes or semiconductor devices
38
semiconductor devices only
Applicants:
IFL AG [CH/CH]; Bellerivestrasse 55 CH-8008 Zürich, CH (AllExceptUS)
DÜRR, Walter [DE/DE]; DE (UsOnly)
WEISSE, Hans-Dietrich [DE/DE]; DE (UsOnly)
SIMON, Ulrich [DE/DE]; DE (UsOnly)
Inventors:
DÜRR, Walter; DE
WEISSE, Hans-Dietrich; DE
SIMON, Ulrich; DE
Agent:
STOFFREGEN, Hans-Herbert; Salzstrasse 11a D-6450 Hanau 1 @, DE
Priority Data:
P 34 12 205.202.04.1984DE
Title (EN) ARRANGEMENT FOR THE CONTROL OR REGULATION OF THE ROTATION SPEED AND/OR THE TORQUE OF AN INDUCTION MOTOR
(FR) INSTALLATION DE COMMANDE OU DE REGLAGE DE LA VITESSE DE ROTATION ET/OU DU COUPLE D'UN MOTEUR
Abstract:
(EN) Arrangement for the control or regulation of the rotation speed and/or the torque of an induction motor (1) which is supplied by an inverter (5). The inverter is connected to a rectifier (14) connected via a transducer (20) to an alternating or three-phase supply network. The inverter (5) comprises power transistors (7-12) with which diodes (13) are mounted in parallel. The transducer (20) is provided with a control winding (21) of which the control current is adjustable. The power transistors (7-12) are connected by their control electrodes to a pulse generator (23) producing pulsed voltages of which the frequency and/or pulse duration/pulse interval ratio and/or the phase relation are optionally changeable within a pulse period.
(FR) Installation de commande ou de réglage de la vitesse de rotation et/ou du couple d'un moteur à induction (1) qui est alimenté par un onduleur (5). L'onduleur (5) est relié à un redresseur (14) raccordé au secteur alternatif ou triphasé par le biais d'un transducteur (20). L'onduleur (5) contient des transistors de puissance (7 à 12) avec lesquels des diodes (13) sont montées en parallèle. Le transducteur (20) est doté d'un enroulement de commande (21) dont le courant de commande est réglable. Les transistors de puissance (7 à 12) sont raccordés par leurs électrodes de commande à un générateur d'impulsions (23) produisant des tensions pulsées dont la fréquence et/ou la durée d'impulsion / le rapport d'impulsions et/ou la relation des phases sont modifiables facultativement à l'intérieur d'une période d'impulsion.
Designated States: AU, FI, HU, JP, NO, RO, SU, US
European Patent Office (AT, BE, CH, DE, FR, GB, IT, LU, NL, SE)
Publication Language: German (DE)
Filing Language: German (DE)
Also published as:
NO19854750EP0177525AU1985041582