Abstract
Due to the shortage of fossil energy and its pollution to the environment, the proportion of renewable energy in the power system is gradually increasing, and the capacity of the power system to accommodate renewable energy needs to be improved urgently. As a large amount of renewable energy is integrated into the power grid, network congestion may occur, making it difficult to accommodate renewable energy. This paper takes optimal transmission switching (OTS) as an important means of accommodating renewable energy, and participates in the operation of the power grid together with the deep peak regulation of thermal power units, forming an interactive mode of coordinated operation of source and network. A stochastic unit commitment model considering deep peak regulation and OTS is established, and the role of OTS for further promoting the accommodation of renewable energy is analyzed quantitatively. Case studies based on the IEEE 30-bus system demonstrate that OTS can further release the potential of deep peak regulation and promote the accommodation of renewable energy
Published Version
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