Design of an AC/DC Converter with using Supercapacitors as Energy Storage

Authors

  • พิสิทธิ วิสุทธิเมธีกร ภาควิชาวิศวกรรมระบบวัดคุมและเมคคาทรอนิกส์ คณะวิศวกรรมศาสตร์ มหาวิทยาลัยเทคโนโลยีมหานคร
  • วิบูลย์ ชื่นแขก ภาควิชาวิศวกรรมไฟฟ้าและคอมพิวเตอร์ คณะวิศวกรรมศาสตร์ มหาวิทยาลัยเทคโนโลยีพระจอมเกล้าพระนครเหนือ

Keywords:

Supercapacitors, AC/DC converter, Bidirectional DC/DC converter

Abstract

This paper presents a design of a high power factor AC/DC converter with using supercapacitors as energy storage.The proposed system consists of a cuk topology based AC/DC power converter and a bidirectional DC/DC converter which is connected between the AC/DC converter and supercapacitors for transferring electrical energy between the system output and supercapacitors. In normal mode, load is energized by the AC line via the AC/DC converter and the DC/DC converter is controlled to charge supercapacitors. In the case of the AC line faults, the bidirectional DC/DC converter is controlled to transfer energy from supercapacitors to load. To verify the proposed system concept, the AC/DC converter and the bidirectional DC/DC converter were built and 25V/10F supercapacitors are used as energy storage. The output voltage of the AC/DC converter is 48 V at 250 W output power. From the experimental results, the input power factor of the AC/DC converter is about 0.99 and the backup time is 7s for 100 W of output power.

References

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Published

2019-04-19

How to Cite

วิสุทธิเมธีกร พ., & ชื่นแขก ว. (2019). Design of an AC/DC Converter with using Supercapacitors as Energy Storage. RMUTL Engineering Journal, 1(1), 23–31. Retrieved from https://ph01.tci-thaijo.org/index.php/RMUTLEngJ/article/view/184088

Issue

Section

Research Article