Active-reactive power scheduling of integrated electricity-gas network with multi-microgrids

Jiang, Tao; Dong, Xinru; Zhang, Rufeng; Li, Xue; Chen, Houhe; Li, Guoqing

doi:10.1007/s11708-022-0857-1

Cited by 7 publications

(3 citation statements)

References 38 publications

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“…In the given equations, Equation ( 13) represents the node model in the DHS. Equations ( 14), ( 16) and (18) correspond to the thermal model in the supply network. On the other hand, Equations ( 15), ( 17) and ( 19) represent the thermal model in the return network.…”

Section: Heating Systemmentioning

confidence: 99%

“…However, this work formulated the problem as a mixed-integer nonlinear programming (MINLP) problem. Diverging from the aforementioned studies, reference [18] introduced electricity-gas coupling into the AC/DC power system for optimal scheduling, incorporating the influence of market environments to enrich the optimization problem. As the problem was nonlinear, the second-order cone programming method was employed to transform it into a mixed-integer linear programming problem (MILP) for improved solvability.…”

Section: Introductionmentioning

confidence: 99%

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Economic Dispatch of AC/DC Power System Considering Thermal Dynamics

Ma,

Liang,

Dong

et al. 2023

Processes

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Advance in renewable penetration has promoted the interaction between the AC and DC power system and multi-energy sources. However, the disparate nature of different energy utilization technologies presents strong challenges for the economic dispatch of such a complex system. This paper proposes a comprehensive characterization of the AC/DC power system considering multi-energy and renewable integration. Detailed models are elaborated for the AC/DC power grid, the district heating system (DHS), coupling units, and renewables to describe their inner interactions accurately. On this basis, an economic dispatch method is developed to minimize the operation cost and renewable’s abandonment. Simulations indicate that the interaction between the AC/DC power systems and multi-energy sources can enhance voltage levels and improve operational economy.

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Section: Heating Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Economic Dispatch of AC/DC Power System Considering Thermal Dynamics

Ma,

Liang,

Dong

et al. 2023

Processes

View full text Add to dashboard Cite

show abstract

“…Simple active or reactive power optimization scheduling is difficult to meet the safe operation and economic requirements of the distribution network, and the uncertainty of distributed power output will cause serious voltage fluctuations. Therefore, it is necessary to coordinate and optimize the active power and reactive power resources in the distribution network (Liu et al, 2022a;Jiang. et al, 2023a).…”

Section: Introductionmentioning

confidence: 99%

Collaborative scheduling method of active-reactive power for rural distribution systems with a high proportion of renewable energy

Liu,

Li,

et al. 2024

Front. Energy Res.

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Large-scale distributed renewable energy connected to the rural distribution network has given birth to a new rural distribution system with a high proportion of new energy typical characteristics, and the optimal scheduling of the new rural distribution system has become an important issue to ensure the safe and stable operation of the power grid. This paper proposes a method of active-reactive power collaborative optimization scheduling for rural power distribution system with a high proportion of renewable energy. Firstly, the active support capability evaluation model is established, and the active power support capability and reactive power support capability of rural power distribution system are quantitatively evaluated, which provides data basis and boundary conditions for the scheduling part. Then, considering power-loss cost, distribution network operation cost, and penalty cost, a method of active-reactive power collaborative optimization scheduling for rural power distribution systems with a high proportion of renewable energy is proposed. Finally, the active support capability evaluation and regulation platform of the rural power distribution system is built to provide technical support services for the safe and stable operation of the rural power distribution system. Given the problems of overload and overvoltage faced by rural power distribution systems with a high proportion of renewable energy, this paper aims to solve the key technical challenges of optimization and regulation of new rural power distribution systems. The results show that the optimized control method proposed in this paper has better security and economy, and is conducive to promoting the construction and operation of the new rural power distribution system.

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Hybrid data-driven operation method for demand response of community integrated energy systems utilizing virtual and physical energy storage

Bu,

Yu,

et al. 2024

Applied Energy

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Active-reactive power scheduling of integrated electricity-gas network with multi-microgrids

Cited by 7 publications

References 38 publications

Economic Dispatch of AC/DC Power System Considering Thermal Dynamics

Economic Dispatch of AC/DC Power System Considering Thermal Dynamics

Collaborative scheduling method of active-reactive power for rural distribution systems with a high proportion of renewable energy

Hybrid data-driven operation method for demand response of community integrated energy systems utilizing virtual and physical energy storage

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