DC/DC Full-Bridge Converter for Cathodic Protection Application with Phase-Shift Control Method and No Auxiliary Circuit

被引：2
|
作者：
Valadkhani, Shokoufeh [1 ]
Mirsalim, Mojtaba [1 ]
Khorsandi, Amir [1 ]
机构：
[1] Amirkabir Univ Technol, Tehran Polytech, Dept Elect Engn, Tehran, Iran
来源：
2020 11TH POWER ELECTRONICS, DRIVE SYSTEMS, AND TECHNOLOGIES CONFERENCE (PEDSTC) | 2020年
关键词：
Cathodic protection; DC/DC full bridge; Zero voltage switching; Variable frequency pulse width modulation; Variable DC output power; LIGHT-LOAD; EFFICIENCY;
D O I：
10.1109/pedstc49159.2020.9088420
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Cathodic protection (CP) DC/DC converters are the external power sources used in CP applications in which the fix DC voltage converts to variable output DC voltage and bring about variable output current as well. In low to medium output voltages, where the duty cycle is less than 30%, zero voltage switching (ZVS) is unattainable. Therefore, a switching control method which is the combination of ZVS and variable frequency pulse width modulation (VFPWM) is suggested in the article. By using this hybrid control method, the DC/DC full bridge structure operates under an extended range of voltage up to 75V in the output and the output current from 0 to 25A with high efficiency. Simulation results demonstrate the accuracy of this method.
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页数：5
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