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Analysis of DC Link Capacitor Performance and Capacitor Life In Back to Back Converters With Respect to Converter Switching


Affiliations
1 Energy Efficiency and Renewable Enenrgy Division, Central Power Research Institute, Bangalore- 560080, India
2 E&E department, Manipal Institute of Technology, Manipal 576104, India
3 Diagnostics Cables and capacitors Division, Central Power Research Institute, Bangalore-560080, India
4 Energy Efficiency and Renewable Energy Division, Central Power Research Institute, Bangalore -560080, India
     

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Back to Back converters are commonly used converters in many ac to ac conversion applications. Even though Converters without intermediate energy storage element are developed, Those with DC link capacitors still continue to be most popular due to the inherent advantages. The performance of such converters is affected by the operation of DC link capacitors used. This paper gives a detailed study of various types of back to back converters and considerations in DC link capacitor design and selection. A MATLAB program is also developed to analyze the effect of RMS (Root mean Square) ripple current and consequent effect on the life of the DC link capacitors in Voltage link back to back converters.

Keywords

Back to back converters; matrix converter, DC link capacitors.
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  • Analysis of DC Link Capacitor Performance and Capacitor Life In Back to Back Converters With Respect to Converter Switching

Abstract Views: 198  |  PDF Views: 0

Authors

Vani Vijay
Energy Efficiency and Renewable Enenrgy Division, Central Power Research Institute, Bangalore- 560080, India
Giridhar Kini P.
E&E department, Manipal Institute of Technology, Manipal 576104, India
Viswanatha C.
Diagnostics Cables and capacitors Division, Central Power Research Institute, Bangalore-560080, India
Jothibasu S.
Energy Efficiency and Renewable Energy Division, Central Power Research Institute, Bangalore -560080, India

Abstract


Back to Back converters are commonly used converters in many ac to ac conversion applications. Even though Converters without intermediate energy storage element are developed, Those with DC link capacitors still continue to be most popular due to the inherent advantages. The performance of such converters is affected by the operation of DC link capacitors used. This paper gives a detailed study of various types of back to back converters and considerations in DC link capacitor design and selection. A MATLAB program is also developed to analyze the effect of RMS (Root mean Square) ripple current and consequent effect on the life of the DC link capacitors in Voltage link back to back converters.

Keywords


Back to back converters; matrix converter, DC link capacitors.



DOI: https://doi.org/10.33686/prj.v10i2.189529