Three-path direct-current electric energy conversion circuit and three-path direct-current electric energy conversion device

• Main Author: MAO GUANGFU
• Format: Patent
• Language: Chinese; English
• Published: 08.04.2022
• 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; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention is applicable to the technical field of switching power supplies, and particularly relates to a three-path direct-current electric energy conversion circuit and a three-path direct-current electric energy conversion device.The three-path direct-current electric energy conversion circuit comprises a first bidirectional power conversion circuit, a second bidirectional power conversion circuit, a third bidirectional power conversion circuit and a controller; the controller outputs a switch control signal to the first bidirectional power conversion circuit, the second bidirectional power conversion circuit and the third bidirectional power conversion circuit, so that the first battery pack, the second battery pack and the high-voltage power supply module carry out bidirectional charging and discharging pairwise; and any one of the other two power supply modules can be used for charging, so that energy flow and sharing between high voltage and low voltage as well as between low voltage and low voltag