Circuit arrangement and method and device for operating the circuit arrangement

• Main Author: GYOERI CSABA
• Format: Patent
• Language: Chinese; English
• Published: 24.10.2012
• Subjects: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; MOTOR VEHICLES; PERFORMING OPERATIONS; TRAILERS; TRANSPORTING

The invention relates to a circuit arrangement (CA) for an electric machine (EM) comprising a plurality of stator windings (ST1, ST2, ST3), wherein each stator winding (ST1, ST2, ST3) comprises at least one first phase winding (L1, L3, L5) and a second phase winding (L2, L4, L6). The circuit arrangement (CA) comprises at least one predetermined first and a predetermined second selection of several half bridges (HB1_1-HB1_3, H2_1-H2_3) in each case. A common connection of the two switch elements (T1_1-T1_4, T1_2- T1_5, T1_3-T1_6) of the respective half bridge (HB1_1, HB1_2, HB1_3) of the first selection can be electrically coupled in each case to a connection of the first phase winding (L1, L3, L5) of the associated stator winding (ST1, ST2, ST3). A common connection of the two circuit elements (T2_1-T2_ 4, T2_2-T2_5, T2_3-T2_6) of the respective half bridge (HB2_1, HB2_2, HB2_3) of the second selection can be electrically coupled to a connection of the second phase winding (L2, L4, L6) of the associated phase