A new combined index applied for anticipatory load shedding with voltage stability consideration

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  • Sayyad Nojavan1,
  • Vahid Fathi2,
  • Morteza Nojavan3,
  • Kazem Zare3,
  1. University of Tabriz
  2. University of Tabriz, Tabriz, Iran
  3. Department of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran

Published in Issue 2024-02-20

How to Cite

Nojavan, S., Fathi, V., Nojavan, M., & Zare, K. (2024). A new combined index applied for anticipatory load shedding with voltage stability consideration. Majlesi Journal of Electrical Engineering, 9(3). https://oiccpress.com/mjee/article/view/5316

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Abstract

Under-voltage load shedding is an important measurement to maintain the voltage stability in power systems. In this paper, a new combined index is proposed for under-voltage load shedding. The proposed index is weighted combination of importance, sensitivity and value of loads. This is of paramount importance, since three vital factors such as importance of load, sensitivity of minimum eigenvalue of load ï¬ow Jacobian respect to load and the amount of loads are considered for optimal under-voltage load shedding. The algorithm accounts constraints not only in present operating condition but also for predicted next interval load. The proposed method is implemented on IEEE 14-bus test system. Results have been compared with those researches based on sensitivity analysis. The results show effectiveness of proposed index.

Keywords

  • Modified PWM method,
  • New combined index,
  • NLP approach,
  • under-voltage load shedding
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