Fault tolerance method for open-winding motor bridge arm fault of double-three-level inverter topology
The invention relates to a fault tolerance method for an open-winding motor bridge arm fault of a double-three-level inverter topology, belonging to the technical field of inverter fault tolerance. According to the invention, six bidirectional thyristors are respectively arranged among three bridge...
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| creator | GENG YIWEN CHEN XIANG XIA SHUAI HAN PENG ZHENG JINGGANG CHEN RUICHENG |
| description | The invention relates to a fault tolerance method for an open-winding motor bridge arm fault of a double-three-level inverter topology, belonging to the technical field of inverter fault tolerance. According to the invention, six bidirectional thyristors are respectively arranged among three bridge arms of an inverter 1 and an inverter 2, wherein the bidirectional thyristor TR1 is separately connected with a bridge arm A1 and a bridge arm B2; the bidirectional thyristor TR2 is separately connected with a bridge arm B1 and a bridge arm C2; the bidirectional thyristor TR3 is separately connectedwith a bridge arm C1 and a bridge arm A2; the bidirectional thyristor TR4 is separately connected with the bridge arm A1 and the bridge arm C2; the bidirectional thyristor TR5 is separately connectedwith the bridge arm B1 and the bridge arm A2; the bidirectional thyristor TR6 is separately connected with the bridge arm C1 and the bridge arm B2; when the inverter 1 and the inverter 2 have no faults, all the bidirectional |
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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
| title | Fault tolerance method for open-winding motor bridge arm fault of double-three-level inverter topology |
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