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Impact of Renewable Energy Sources on Power System Flexibility Requirements

Author

Listed:
  • Valeri Mladenov

    (Faculty of Automatics, Technical University of Sofia, 1000 Sofia, Bulgaria)

  • Vesselin Chobanov

    (Faculty of Automatics, Technical University of Sofia, 1000 Sofia, Bulgaria)

  • Angel Georgiev

    (National Dispatching Center at Electricity System Operator (ESO), 1618 Sofia, Bulgaria)

Abstract

A power system can be defined as flexible if it can within economic and technological boundaries respond quickly and adequately to variations in supply and demand. The ongoing penetration of variable and intermittent renewable energy sources (RES) like wind and solar imposes additional and more critical requirement on power system flexibility. In this paper we propose a method to quantify these requirements based on the comparison of seven demand side parameters describing the statistical properties of the net load and the residual load of the referred power system. Each one of these parameters reflects a separate requirement on the available conventional generation in hourly and daily time scales—ramp up and ramp-down capabilities, technological minimum of generation, daily variation of generation. The proposed approach can be used to predict the requirements for generation flexibility according to the expected scenario of RES penetration in the future development of energy power system. It has been applied and integrated from the Bulgarian Transmission System Operator (TSO) which name is the Bulgarian Electricity System Operator (ESO).

Suggested Citation

  • Valeri Mladenov & Vesselin Chobanov & Angel Georgiev, 2021. "Impact of Renewable Energy Sources on Power System Flexibility Requirements," Energies, MDPI, vol. 14(10), pages 1-20, May.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:10:p:2813-:d:554266
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    Citations

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    Cited by:

    1. Mariano G. Ippolito & Fabio Massaro & Rossano Musca & Gaetano Zizzo, 2021. "An Original Control Strategy of Storage Systems for the Frequency Stability of Autonomous Grids with Renewable Power Generation," Energies, MDPI, vol. 14(15), pages 1-22, July.
    2. A. J. Jin & C. Li & J. Su & J. Tan, 2022. "Fundamental Studies of Smart Distributed Energy Resources along with Energy Blockchain," Energies, MDPI, vol. 15(21), pages 1-12, October.
    3. Marialaura Di Somma & Martina Caliano & Viviana Cigolotti & Giorgio Graditi, 2021. "Investigating Hydrogen-Based Non-Conventional Storage for PV Power in Eco-Energetic Optimization of a Multi-Energy System," Energies, MDPI, vol. 14(23), pages 1-17, December.

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