Multi-level Voltage Coordination Optimization Strategy of Distribution Network Considering Multiple Devices

Liang, Caishuai; Wang, Mingqiang; Sun, Fengbin; Zhang, Xia

doi:10.1109/aeees61147.2024.10544710

2024 6th Asia Energy and Electrical Engineering Symposium (AEEES) 2024

DOI: 10.1109/aeees61147.2024.10544710

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Multi-level Voltage Coordination Optimization Strategy of Distribution Network Considering Multiple Devices

Caishuai Liang,

Mingqiang Wang,

Fengbin Sun

et al.

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Optimization study of computational methods in coordinated integrated carrying capacity assessment of multi-voltage hierarchies

Wang,

Liu,

et al. 2024

Applied Mathematics and Nonlinear Sciences

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In this paper, we take a two-level distribution grid as the infrastructure of a multilevel distribution grid and study the comprehensive carrying capacity assessment model in depth. The minimum value of the maximum access capacity under each scenario is used to assess the maximum carrying capacity of the distribution network, and the maximum access volume of the multilevel distribution network is taken as the objective function, and the particle swarm algorithm is improved to establish the maximum carrying capacity assessment model. Using the alternating direction multiplier method, a two-level distribution grid carrying capacity distributed optimization model is established, and the multilevel distribution grid access volume problem is transformed into the maximum access volume subproblem at all levels of the distribution grid. Comparing the whale algorithm and particle swarm algorithm, the model in this paper converges at 7465 kW access capacity and about 12 iterations, respectively, and the weak degree is below 0.4 at different distribution network states, which is a good performance in terms of optimization accuracy and weak degree. We conduct simulation experiments with the modified IEEE33 nodes and find that using this paper’s model to participate in optimal scheduling reduces the total operating cost of the distribution network system by more than 6.24% compared to not using it. Finally, we use the model in this paper to evaluate the comprehensive carrying capacity of the distribution network in Ningxia, China.

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Optimization study of computational methods in coordinated integrated carrying capacity assessment of multi-voltage hierarchies

Wang,

Liu,

et al. 2024

Applied Mathematics and Nonlinear Sciences

View full text Add to dashboard Cite

show abstract

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Multi-level Voltage Coordination Optimization Strategy of Distribution Network Considering Multiple Devices

Cited by 1 publication

References 11 publications

Optimization study of computational methods in coordinated integrated carrying capacity assessment of multi-voltage hierarchies

Optimization study of computational methods in coordinated integrated carrying capacity assessment of multi-voltage hierarchies

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