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A platform for research: civil engineering, architecture and urbanism
Research on unit commitment optimization of high permeability wind power generation and P2G
As an important form of future energy utilization, the operation of combined electricity-gas energy systems is also threatened by high-level penetration intermittent renewable energy. The application of power to gas (P2G) technology has deepened the coupling between the concerned power system and the natural gas system, and hence, bidirectional energy flow between the power system and the natural gas system can be implemented. P2G technology provides an alternative solution for the optimal operation of the combined electricity-gas energy systems to accommodate intermittent renewable energy, particularly, wind power. In this new environment, the unit commitment optimization of high permeability wind power and P2G is addressed, where the objective is to minimize the total operating cost of combined electricity-gas energy systems. First, the P2G technology and the application and supportive policies are introduced. Second, considering the characteristics of P2G devices and the combined system, a two-level economic dispatch model of the combined system with security constraints is proposed. Third, based on the Karush Kuhn Tucker optimality condition, the two-level optimization model is transformed into a mixed integer linear programming. Finally, the case study shows that the proposed unit commitment model is effective and accurate in optimizing the combined energy systems with high penetration level wind power.
Research on unit commitment optimization of high permeability wind power generation and P2G
As an important form of future energy utilization, the operation of combined electricity-gas energy systems is also threatened by high-level penetration intermittent renewable energy. The application of power to gas (P2G) technology has deepened the coupling between the concerned power system and the natural gas system, and hence, bidirectional energy flow between the power system and the natural gas system can be implemented. P2G technology provides an alternative solution for the optimal operation of the combined electricity-gas energy systems to accommodate intermittent renewable energy, particularly, wind power. In this new environment, the unit commitment optimization of high permeability wind power and P2G is addressed, where the objective is to minimize the total operating cost of combined electricity-gas energy systems. First, the P2G technology and the application and supportive policies are introduced. Second, considering the characteristics of P2G devices and the combined system, a two-level economic dispatch model of the combined system with security constraints is proposed. Third, based on the Karush Kuhn Tucker optimality condition, the two-level optimization model is transformed into a mixed integer linear programming. Finally, the case study shows that the proposed unit commitment model is effective and accurate in optimizing the combined energy systems with high penetration level wind power.
Research on unit commitment optimization of high permeability wind power generation and P2G
Ge, Shaoyun (author) / Liu, Xiaoou (author) / Liu, Hong (author) / Gu, Chenghong (author) / Ge, Lukun (author)
2018-05-01
22 pages
Article (Journal)
Electronic Resource
English
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