A Cyber-Physical Collaborative Coping Method for Island Microgrid Considering Communication Interruption

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

Active Publication Date: 2021-01-08
YANSHAN UNIV
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  • Abstract
  • Description
  • Claims
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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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  • A Cyber-Physical Collaborative Coping Method for Island Microgrid Considering Communication Interruption
  • A Cyber-Physical Collaborative Coping Method for Island Microgrid Considering Communication Interruption
  • A Cyber-Physical Collaborative Coping Method for 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 a cyber-physical collaborative coping method for isolated island microgrids considering communication interruptions. At the network layer, a path planning method combining graph theory and improved genetic algorithm (GA) is proposed to solve communication interruptions between communicators question. At the physical layer, a predictive compensation method combining extreme learning machine (ELM) and model predictive control (MPC) is proposed to solve the problem of communication interruption between sensors. Finally, the validity of the cooperative response strategy proposed in this paper is verified by MATLAB. The method of the invention can effectively solve the communication interruption problem in the secondary control process of the isolated island microgrid.

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 Patents(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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