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

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 21 Jan 2022 Russian Federation Publisher:MDPI AGJournal:Energies, volume 15, page 765 (eissn: 1996-1073,

Authors: Aminjon Gulakhmadov; Salima Asanova; Damira Asanova; Murodbek Safaraliev; Alexander Tavlintsev; Egor Lyukhanov; Sergey Semenenko; +1 Authors

doi: 10.3390/en15030765

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

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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 Unom≤35 kV and Unom≥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.

Country

Russian Federation

Related Organizations

Chinese Academy of Sciences
China (People's Republic of)
Research Center for Ecology and Environment of Central Asia
China (People's Republic of)
Kyrgyz State Technical University
Kyrgyzstan
Ural Federal University
Russian Federation
FEDERAL STATE AUTONOMOUS EDUCATIONAL INSTITUTION OF HIGHER PROFESSIONAL EDUCATION NOTHERN (ARCTIC) FEDERAL UNIVERSITY
Russian Federation

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Keywords

Technology, DISTRIBUTION ELECTRIC NETWORKS, POWER FLOW CALCULATIONS, STRUCTURED HIERARCHICAL-MULTILEVEL APPROACH, TRANSFORMER, structured hierarchical-multilevel approach, DIRECTED GRAPH, directed graph, ELECTRICITY LOSS, ELECTRICITY LOSSES, MULTILEVEL APPROACH, distribution electric networks; electricity losses; transformer; structured hierarchical-multilevel approach; load; directed graph; algorithm, ALGORITHM, LOAD, electricity losses, distribution electric networks, T, ELECTRICAL NETWORKS, ELECTRIC NETWORK ANALYSIS, POWERLOSS, load, FLOW GRAPHS, ELECTRIC NETWORK PARAMETERS, HIERARCHICAL MULTILEVEL, transformer, ELECTRIC LOAD FLOW, DISTRIBUTION ELECTRIC NETWORK

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	3
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average