Isolated high-power discharge regulating circuit for space

• Main Authors: XU QIFENG, YANG LEI, SONG JUNCHAO, XIN YUBAO, YANG ZHANLIN, WANG GUOJUN
• Format: Patent
• Language: Chinese; English
• Published: 18.01.2022
• 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; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The utility model relates to an isolation type high-power discharge adjusting circuit for space, which comprises a main circuit and a control circuit, and is characterized in that the main circuit comprises a storage battery pack, a DCDC isolation converter and a load; the output end of the storage battery pack is connected with the input end of the DCDC isolation converter, and the voltage of the storage battery pack is regulated by the DCDC isolation converter and then is input into a load; the control circuit comprises a voltage sampling circuit, a current sampling circuit, a double-loop control circuit and an isolation driving circuit. The output voltage and the output current of the DCDC isolation converter are respectively input into the voltage sampling circuit and the current sampling circuit, and a voltage sampling signal and a current sampling signal are respectively output to two input ends of the double-loop control circuit; and the double-loop control performs duty ratio modulation and outputs fo