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Multi-area interconnected microgrid system decentralized coordination scheduling method and device

A decentralized coordination and scheduling method technology, applied in the direction of circuit devices, AC network circuits, instruments, etc., can solve the problems of decentralized coordination and optimization of multi-regional integrated energy systems to be studied, so as to reduce communication burden, improve convergence efficiency, and data confidentiality enhanced effect

Pending Publication Date: 2021-01-29
XIAMEN ELECTRIC POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER
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Problems solved by technology

[0003] In recent years, scholars at home and abroad have conducted research on the decentralized coordination dispatching problem of interconnected power systems, but the current research only deals with the distributed dispatching method of multi-regional power systems, and the decentralized coordination optimization of multi-regional integrated energy systems remains to be studied

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  • Multi-area interconnected microgrid system decentralized coordination scheduling method and device
  • Multi-area interconnected microgrid system decentralized coordination scheduling method and device
  • Multi-area interconnected microgrid system decentralized coordination scheduling method and device

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[0050] The present disclosure will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific implementation manners described here are only used to explain relevant content, rather than to limit the present disclosure. It should also be noted that, for ease of description, only parts related to the present disclosure are shown in the drawings.

[0051] It should be noted that, in the case of no conflict, the implementation modes and the features in the implementation modes in the present disclosure can be combined with each other. The present disclosure will be described in detail below with reference to the drawings and embodiments.

[0052] It should be noted that the numbering of the steps in the text is only for the convenience of explanation of the specific embodiments, and does not serve as a function of limiting the execution order of the steps.

[0053] The methods provided in some embodiments of the p...

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Abstract

The invention provides a multi-area interconnected microgrid system decentralized coordination scheduling method and device. The scheduling method comprises the following steps: S1, establishing MISOCP models of electro-pneumatic integrated energy systems of multiple areas; S2, obtaining an SOCP model according to the MISOCP model; s3, adopting an ADMM algorithm to initialize the SOCP model; s4, fixing the solved shared information value, and updating the value of the integer variable; s5, adopting a continuous cone optimization algorithm for each area, and autonomously solving an MISOCP modelof each area; S6, fixing the solved value of the integer variable of each area to obtain an updated SOCP model; s7, adopting an ADMM algorithm to carry out distributed optimization on the updated SOCP model; s8, judging the change condition of the integer variable, and if the integer variable does not change any more, returning the current area scheduling plan as a final scheduling result, otherwise, executing the step S9; and S9, increasing the number of iterations by 1, and repeatedly executing the steps S4-S8. According to the scheduling method disclosed by the invention, the information exchange amount between the areas can be reduced, and the convergence efficiency in the solving process is improved.

Description

technical field [0001] The disclosure relates to the technical field of regulation and control of urban comprehensive energy systems, and in particular to a method and device for decentralized coordination and dispatching of a multi-area interconnected microgrid system. Background technique [0002] Hierarchical partition interconnection operation is a remarkable feature of modern power systems. For such a complex large-scale system, it is difficult to conduct centralized optimal dispatch and control by the only power dispatch center. Generally, a multi-level power dispatching center should be established to coordinate and dispatch the interconnection system in order to reduce the calculation scale, reduce the data communication volume and maintain the independent and autonomous operation of the regional power grids. Under this dispatching framework, the computers of the upper and lower dispatching control centers are connected through various means of communication. Multip...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06G06F17/11H02J3/00
CPCG06Q10/0637G06Q50/06G06F17/11H02J3/00H02J2203/10
Inventor 刘文亮熊军梅超郑建柏王小辉
Owner XIAMEN ELECTRIC POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER
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