Linear electric motor (1) comprising a stator (3) comprising a plurality of stator segments (3a, 3b, ...3n) and a drive system comprising at least one pair of drive units (4), a first drive unit (4a) of said pair connected to a first stator segment (3a) and a second drive unit (4b) of said pair connected to a second stator segment (3b) adjacent the first stator segment, the drive units (4a, 4b) connected to a DC voltage source (6), each drive unit comprising a DC input circuit section (14) and a multi-level inverter (7) connected to the DC voltage source via the DC input section, the multi-level inverter comprising a multiphase output (10) connected to coils (5) of the corresponding stator segment. The DC circuit section of the drive units comprises at least two link capacitors (C1, C2) connected between a positive and a negative voltage supply line (V+, V-) and having a mid-point (8) therebetween. The mid-point of the first multi-level inverter (7a) is connected via a bridge connection (9) to a mid-point of the second multi-level inverter (7b) such that the mid-points of the first and second multi-level inverters are at a common electric potential. The drive circuit connection end (12) of the first multi-level inverter is arranged adjacent the drive circuit connection end of the second multi-level inverter (7b), or a star connection end of the coils (5) of a first stator segment (3a) is positioned adjacent a star connection end (11) of a second stator segment (3b).
LINEAR ELECTRIC MOTOR COMPRISING A STATOR
ELEKTRISCHER LINEARMOTOR MIT EINEM STATOR
MOTEUR ÉLECTRIQUE LINÉAIRE COMPRENANT UN STATOR
2023-10-18
Patent
Elektronische Ressource
Englisch
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B61B RAILWAY SYSTEMS , Eisenbahnanlagen / B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES |
Controlling long-stator linear motor coils of a long-stator linear motor stator
Europäisches Patentamt | 2020
|