REN Chong,NIU Shuanbao,KE Xianbo,et al.Clustering Analysis of Transmission Section Modes for Power Grid with Renewable Energy[J].Automation of Electric Power Systems,2022,46(1):69-75.
REN Chong,NIU Shuanbao,KE Xianbo,et al.Clustering Analysis of Transmission Section Modes for Power Grid with Renewable Energy[J].Automation of Electric Power Systems,2022,46(1):69-75. DOI: 10.7500/AEPS20210302008.
Clustering Analysis of Transmission Section Modes for Power Grid with Renewable Energy
When the transmission section limit is formulated by adopting the traditional operation modes
the worst operation modes of power grids are mainly considered to ensure the safety
which can not adapt to the complex and variable characteristics of the operation modes of the power grid with high proportion of renewable energy. There are the problems such as insufficient operation mode scenarios and too large safety margins
etc. Therefore
a clustering analysis method for the transmission section modes of the power grid with renewable energy is proposed. Firstly
the key sections of the power grid are discovered based on the historical data statistics
and the relevant factors that affect the transmission power of the key sections of the power grid are discovered by correlation analysis. Secondly
the key factors are sorted according to the correlation index
and the operation modes of the power grid are clustered according to the key factors of the top ranking. Thirdly
according to the clustering results
the transmission section limits at each level of the boundary modes are optimized to increase the transmission capacity of the power grid. Finally
the effectiveness and practicability of the proposed method are verified by the simulation analysis of Northwest China power grid.
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Related Author
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Related Institution
College of Electrical Engineering, Sichuan University
Northwest Branch of Sated Grid Corporation of China