Analysis and elimination backflow power in bidirectional DC-DC isolation converter

被引：0
|
作者：
Wei T.-F. [1 ]
Wang X.-L. [1 ]
Li X.-X. [1 ]
机构：
[1] College of Electrical and Information Engineering, Lanzhou University of Technology, Lanzhou
来源：
Dianji yu Kongzhi Xuebao/Electric Machines and Control | 2019年 / 23卷 / 11期
关键词：
Backflow power; Bidirectional converter; DC converter; Pulse width modulation;
D O I：
10.15938/j.emc.2019.11.013
中图分类号：
学科分类号：
摘要：
Bidirectional isolated full-bridge DC-DC converter is widely used in DC microgrid and other occasions. Bakes backflow power is caused by traditional single phase and double phase control in the converter. In order to eliminate backflow power of bidirectional converter, a inductor current zero-crossing control strategy was proposed. Power transmission model of bidirectional converter was established, principle of inductance current zero-crossing control and working state of the converter are analyzed, and inductance current zero-crossing control system was designed. A hardware experiment platform based on FPGA was built to verify effectiveness of the proposed control strategy in eliminating backflow power. © 2019, Harbin University of Science and Technology Publication. All right reserved.
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页码：100 / 108and117
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