A Single Switch High Step-Up Converter

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A Single Switch High Step-Up Converter

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Description

ABSTRACT

In this paper, a non-isolated bidirectional dc–dc converter is presented. The proposed converter consists of voltage gain and reduced switching stress. High Gain DC-DC converter with their body diodes are employed in the proposed converter .The voltage gain of the proposed converter is higher than previous. The Solar is the source of the Converter. The stress on converters devices and the efficiency of the proposed converter discussed in this paper. Finally, the proposed converter prototype circuit is implemented to justify the validity of the analysis. In this proposal the switching stresses and switching losses are somewhat reduced comparing to Existing System.

DEMO VIDEO

EXISTING SYSTEM

In the Existing method was derived from the conventional Buck/Boost Converter. This system has more switching losses as well as switching stresses. And its gain value also low comparing to the proposed converter.

PROPOSED SYSTEM

In the proposed system, the High gain DC-DC converter is proposed. Here, Solar module taken as an Input for the converter. In this proposal switching losses and switching stress also minimized. The overall efficiency of the converter increasing with the converter. The gain and output variations are taken in simulation. The high gain value get in Matlab Simulink.

BLOCK DIAGRAM

A Single Switch High Step-Up Converter

A Single Switch High Step-Up Converter

HARDWARE & SOFTWARE REQUIREMENTS

HARDWARE 

  • PIC microcontroller(PIC16F877A)
  • Driver Board

SOFTWARE 

  • Matlab/Simulink

ADVANTAGES

  • Switching Losses Reduced
  • Efficiency of the system Increase

APPLICATIONS

  • Renewable energy conversion
  • High gain applications

CONCLUSION

In this paper, dc–dc converter with large voltage gain was analyzed. The proposed converter consists of four switches, two inductors, and a capacitor. The voltage gain of the proposed converter in step-up mode is more proper than the conventional method. Besides, the input current is divided to the inductors and it causes the efficiency to be high. The steady-state analysis of the proposed converter was discussed thoroughly in this paper. The efficiency of the proposed converter and also the stresses on the converters devices were compared in this paper.

RESULTS

A Single Switch High Step-Up Converter

REFERENCES

1)H. Ardi, R. Reza Ahrabi, and S. N. Ravandanagh, “Non-isolated bidirectional DC–DC converter analysis and implementation,” IET Power Electron., vol. 5, no. 12, pp. 3033–3044, Dec. 2014.

2)Z. Zhang, O. C. Thomsen, M. A. E. Andersen, and H. R. Nielsen,“Dual-input isolated full-bridge boost dc–dc converter based on the distributed transformers,” IET Power Electron, vol. 5, no. 7, pp. 1074–1083,Aug. 2012. 

3)Y. P. Hsieh, J. F. Chen, T. J. Liang, and L. S. Yang, “Analysis and implementation of a novel single-switch high step-up DC–DC converter,” IET Power Electron., vol. 5, no. 1, pp. 11–21,Jan. 2012.

4)C. C. Lin, L. S. Yang, and G. W. Wu, “Study of a non-isolated bidirectional DC–DC converter,” IET Power Electron., vol. 6, no. 1, pp. 30–37, Jan. 2013. 

5)R.Y.Duan and J. D. Lee, “High-efficiency bidirectionalDC–DC converter with coupled inductor,” IET Power Electron., vol. 5, no. 1, pp. 115–123, Jan. 2012.

6)W. Li and X. He, “Review of non-isolated high-step-up DC/DC converters in photovoltaic grid-connected applications,” IEEE Trans. Ind. Electron., vol. 58, no. 4, pp. 1239–1250, Apr. 2011.

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Additional information

Weight3.000000 kg

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