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SCIENTIA SINICA Informationis, Volume 48, Issue 10: 1333-1347(2018) https://doi.org/10.1360/N112018-00016

Bilevel planning of active distribution networks considering demand-side management and DG penetration

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  • ReceivedJan 16, 2018
  • AcceptedApr 12, 2018
  • PublishedOct 8, 2018

Abstract

The integration of large-scale distributed generations (DGs) in power grids has enabled the movement of the traditional distribution network toward the active distribution network. However, this transition poses new challenges to the planning of distribution network frameworks under active management mode. The proposed work addressed these challenges by proposing a bilevel planning model of active distribution network frameworks with DGs that considers demand-side management. In the bilevel model, considering the influence of DG penetration level and the installed capacity of wind turbine generator and photovoltaic generator on the planning of distribution network, the upper distribution network planning model is established by taking lowest annual comprehensive cost as the upper-level objective. Then, the lower level model optimized DG curtailment and interruptible load shedding by accounting for the uncertainty of load and the intermittent DG output of wind farms and photovoltaic generators. The above models were solved through an improved pertheno-genetic algorithm and prime-dual interior point method. Finally, case studies were conducted on a 29-bus distribution network. Simulation results showed that by considering demand-side management, the network framework scheme and node voltage of the distribution network improved and the annual comprehensive cost decreased. By adjusting the DG penetration and installment capacity proportion of the wind turbine generator , the network planning scheme can be further optimized to minimize the annual comprehensive cost.


Funded by

国家自然科学基金(61773253)

国家自然科学基金(61633016)

上海市科学技术委员会(15JC1401900)

上海市科学技术委员会(15220710400)


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