Interleaved parallel intermittent power supply traction controller based on multiple bridge arms

• Main Authors: SHAN BAOYU, LI HEQUN, WANG ZHIPENG
• Format: Patent
• Language: Chinese; English
• Published: 12.10.2021
• 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; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONTROL OR REGULATION THEREOF; 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; SYSTEMS FOR STORING ELECTRIC ENERGY; TRANSPORTING; VEHICLES IN GENERAL

The invention discloses an interleaved parallel intermittent power supply traction controller based on multiple bridge arms. The interleaved parallel intermittent power supply traction controller comprises a pre-charging loop module, a filtering loop module, a traction system module and a DCDC system module, the input end of the pre-charging loop module is connected with an external power supply module, and the output end is connected with the input end of the filtering loop module; the output end of the filtering loop module is connected with the input end of the traction system module and the input end of the DCDC system module; the output end of the traction system module is connected with a motor load and a brake resistor; the output end of the DCDC system module is connected with an energy storage device; and the DCDC system module comprises at least two groups of DCDC bridge arm control units, a DCDC output reactance unit, a DCDC bus voltage sensor unit, a DCDC filtering unit and a DCDC fusing unit. Acc