Fault tolerant inverter for local phase loss in multi-phase electrical machines

• Main Authors: KRISHNAMURTHY, SUDHIR, ARAFAT AKRAM, MURTHY BAYLOR DIPAK SUNDARESAN
• Format: Patent
• Language: Chinese; English
• Published: 31.01.2023
• 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; CONTROLLING; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERATION; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; PHYSICS; REGULATING; SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES; TRANSPORTING; VEHICLES IN GENERAL

A method and system of operating a multi-phase electric machine includes operating an inverter to control the multi-phase electric machine. The inverter has a plurality of inverter branches including an auxiliary inverter branch. Each of the plurality of inverter branches has at least one switching...