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Power Flows and Losses Calculation in Radial Networks by Representing the Network Topology in the Hierarchical Structure Form

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  • Aminjon Gulakhmadov

    (Research Center for Ecology and Environment of Central Asia, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
    State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
    Ministry of Energy and Water Resources of the Republic of Tajikistan, Dushanbe 734064, Tajikistan
    Institute of Water Problems, Hydropower and Ecology of the National Academy of Sciences of Tajikistan, Dushanbe 734002, Tajikistan)

  • Salima Asanova

    (Faculty of Energy, Kyrgyz State Technical University Named After I. Razzakov, Bishkek 720044, Kyrgyzstan)

  • Damira Asanova

    (Faculty of Energy, Kyrgyz State Technical University Named After I. Razzakov, Bishkek 720044, Kyrgyzstan)

  • Murodbek Safaraliev

    (Department of Automated Electrical Systems, Ural Federal University, 620002 Yekaterinburg, Russia)

  • Alexander Tavlintsev

    (Department of Automated Electrical Systems, Ural Federal University, 620002 Yekaterinburg, Russia)

  • Egor Lyukhanov

    (Department of Automated Electrical Systems, Ural Federal University, 620002 Yekaterinburg, Russia)

  • Sergey Semenenko

    (Department of Automated Electrical Systems, Ural Federal University, 620002 Yekaterinburg, Russia)

  • Ismoil Odinaev

    (Department of Automated Electrical Systems, Ural Federal University, 620002 Yekaterinburg, Russia)

Abstract

This paper proposes a structured hierarchical-multilevel approach to calculating the power flows and losses of electricity in radial electrical networks with different nominal voltages at given loads and voltages of the power source. The researched electrical networks are characterized by high dimensionality, dynamism of development, but also insufficient completeness and reliability of state information. The approach is based on the representation of the initial network graph in the form of a hierarchical-multilevel structure, divided into two stages with rated voltages U n o m ≤ 35 kV and U n o m ≥ 35 kV, and using the traditional (manual) engineering two-stage method, where the calculation is performed in a sequence from bottom to top (stage 1) and from top to bottom (stage 2), moving along the structure of the network. The application of the above approach makes it possible to obtain an algorithm for implementation on a computer, which is characterized by universality (for an arbitrary configuration and complexity of the network), high performance and low requirements for the computer memory.

Suggested Citation

  • Aminjon Gulakhmadov & Salima Asanova & Damira Asanova & Murodbek Safaraliev & Alexander Tavlintsev & Egor Lyukhanov & Sergey Semenenko & Ismoil Odinaev, 2022. "Power Flows and Losses Calculation in Radial Networks by Representing the Network Topology in the Hierarchical Structure Form," Energies, MDPI, vol. 15(3), pages 1-13, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:3:p:765-:d:729981
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    References listed on IDEAS

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    1. Carlos Eduardo Moreira Rodrigues & Maria Emilia de Lima Tostes & Ubiratan Holanda Bezerra & Thiago Mota Soares & Edson Ortiz de Matos & Lázaro Serra Soares Filho & Elaine Cristina dos Santos Silva & M, 2021. "Technical Loss Calculation in Distribution Grids Using Equivalent Minimum Order Networks and an Iterative Power Factor Correction Procedure," Energies, MDPI, vol. 14(3), pages 1-23, January.
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    Cited by:

    1. Benedetto-Giuseppe Risi & Francesco Riganti-Fulginei & Antonino Laudani, 2022. "Modern Techniques for the Optimal Power Flow Problem: State of the Art," Energies, MDPI, vol. 15(17), pages 1-20, September.

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