Constant Power Generation in Solar Farms Using Flexible Power Point Tracking Algorithm to Improve Passive Defense Indices

Document Type : Original Article

Authors

1 PhD student, Malik Ashtar University of Technology, Tehran, Iran.

2 Assistant Professor, Malik Ashtar University of Technology, Tehran, Iran.

3 Associate Professor, Malik Ashtar University of Technology, Tehran, Iran.

Abstract

The widespread access to energy sources in photovoltaic systems has made these types of systems considered from the passive defense point of view and can be an efficient alternative to fossil fuels in the event of special and abnormal conditions. Since the efficiency of photovoltaic systems changes drastically with changing the angle of radiation, the need for appropriate control techniques to achieve the desired power is considered necessary and inevitable. Flexible power point tracking algorithm is one of the techniques used for this purpose. The purpose of this algorithm is to adjust the output power of the solar cell in the reference power value. The reference power value is determined based on operating conditions and network requirements. The proposed algorithm, after observing and detecting operating conditions, calculates the step voltage and finally obtains the reference voltage. The previously proposed algorithms have disadvantages such as power fluctuations, instability due to changing environmental conditions and slow dynamics. In this regard, the proposed algorithm eliminates the disadvantages of the previous algorithms. For example, environmental conditions may be unstable due to the passage of clouds. In this situation, the proposed algorithm not only minimizes power fluctuations, but also has fast dynamics and high accuracy, while maintaining its stability.

Keywords

References

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Journal of Advanced Defense Science & Technology
Volume 12, Issue 4 - Serial Number 46
February 2022
Pages 419-429

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History

  • Receive Date: 21 November 2021
  • Revise Date: 03 January 2022
  • Accept Date: 08 January 2022

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