Cubic boost conversion system with bootstrap circuit

• Main Authors: XIAN DASHUAI, TUO HANYU, WANG CHENG, LIU SHULIN, WANG WENQIANG, HAO YUMENG
• Format: Patent
• Language: Chinese; English
• Published: 24.08.2021
• 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; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The invention relates to a cubic boost conversion system with a bootstrap circuit, which is connected between a power supply and a load and comprises a secondary BOOST circuit, a BOOST circuit and a bootstrap circuit, the secondary BOOST circuit comprises a first input side inductor, a second input side inductor, an input side capacitor and a switching tube, one end of the first input side inductor is connected with a positive electrode of the power supply, the other end of the input side capacitor is connected with a power supply cathode and a load cathode, the other end of the second input side inductor is connected with one end of a switch tube, a control end of the switch tube is used for being connected with an external controller, and the other end of the switch tube is connected with the other end of the input side capacitor and the load cathode; and the BOOST circuit is connected with the first input side inductor in parallel, and the bootstrap boost circuit is connected between the other end of the s