Information physical collaboration coping method of island microgrid considering communication interruption

A technology of communication interruption and information physics, applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve problems such as ignoring the role of the information layer, and achieve the effect of solving interruption

Active Publication Date: 2018-09-11
YANSHAN UNIV
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  • Abstract
  • Description
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Problems solved by technology

At present, most of the researches focus on designing appropriate strategies to solve the interrupt problem at the physical layer, while ignoring the role of the information layer.

Method used

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  • Information physical collaboration coping method of island microgrid considering communication interruption
  • Information physical collaboration coping method of island microgrid considering communication interruption
  • Information physical collaboration coping method of island microgrid considering communication interruption

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Embodiment Construction

[0071] The present invention will be further described below in conjunction with accompanying drawing:

[0072] The inventive method comprises the following steps:

[0073] step 1,

[0074] 1. Concept of CPS: Step 1 Cyber-Physical Convergence System (CPS) is a combination of communication system and physical system, including computing, network and physical entities. The large-scale engineering system of real-time function perception, dynamic control and information service is through organic integration and deep 3C cooperation (control, calculation, communication). Information layer: In the information layer, each DER is regarded as an agent, and each agent has two functions: data communication and consistency calculation; Designed. In the information layer, it includes: communication network, communicator, sensor and consistency control link, etc. Physical layer: P-ω / Q-U droop control is used as the primary control of the output voltage and frequency of each DER in the i...

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Abstract

The invention discloses an information physically collaborative coping method of an island microgrid considering communication interruption. At a network layer, a path planning method combining the graph theory with the improved genetic algorithm (GA) is proposed to solve the communication interruption problem between communicators. At a physical layer, a prediction compensation method combining the extreme learning machine (ELM) with the model prediction control (MPC) is proposed for the problem of the communication interruption between sensors. Finally, the effectiveness of the collaborativeresponse strategy proposed in the invention is verified by using the MATLAB. By adoption of the method disclosed by the invention, the communication interruption problem occurring in a secondary control process of the island microgrid can be effectively solved.

Description

technical field [0001] The invention relates to the field of smart grid control, in particular to a design method of a cyber-physical coordination coping strategy for an isolated island micro-grid considering communication interruption. Background technique [0002] Cyber-physical system (CPS) is a combination of communication system and physical system. It is a complex system that includes computing, communication networks, and physical entities. Its real-time monitoring function, dynamic control function and self-service information service function are realized through the organic integration and deep cooperation of 3C (control, computing, communication) technology. CPS is a key research object of next-generation engineering systems that realize the integration of computing, communication and control technologies. With the rapid development of embedded technology and communication technology, the concept of CPS is more and more widely used in power engineering, thus for...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/703H04L12/733H04L29/08H02J3/38H04L45/122H04L45/28
CPCH02J3/381H04L41/0654H04L41/12H04L41/142H04L41/145H04L41/147H04L45/126H04L45/28H04L67/12H04L67/125H02J3/388
Inventor 窦春霞张博滕升起李远哲米雪
Owner YANSHAN UNIV
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