Stability Analysis of Stacked Interleaved DC-DC Step-Down Converter for Resistance Welding Application

被引：0
|
作者：
Karbivska, Tetiana [1 ]
Kozhushko, Yuliia [1 ]
Prieditis, Marcis [2 ]
Pires, Vitor Fernao [3 ]
Bondarenko, Oleksandr [1 ]
机构：
[1] Igor Sikorsky Kyiv Polytech Inst, Dept Elect Devices & Syst, Kiev, Ukraine
[2] Riga Techn Univ, Inst Int Elect & Elect Engn, Liepaja, Latvia
[3] Inst Politecn Setubal INESC ID Lisboa, ESTSetubat, Dept Elect Engn, Sustain RD, Setubal, Portugal
来源：
2022 IEEE 63TH INTERNATIONAL SCIENTIFIC CONFERENCE ON POWER AND ELECTRICAL ENGINEERING OF RIGA TECHNICAL UNIVERSITY (RTUCON) | 2022年
关键词：
resistance welding; stacked interleaved buck converter; modular structure; mathematical model;
D O I：
10.1109/RTUCON56726.2022.9978829
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The study proposes stacked interleaved DC-DC step-down converter with low output ripple level for resistance welding application. The low ripple level in the output allows to provide high quality junctions of small-scale details without splashes of metal. Accurate state-space model of the converter is used to analyze converter stability by means of Nyquist stability criterion. The results show that the proposed stacked interleaved DC-DC step-down converter stays stable regardless of the variations of duty cycle.
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页数：6
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