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A Hierarchical Control Method for Island Microgrid Considering Communication Data Disturbance Under the Concept of CPS

A technology of communication data and hierarchical control, which is applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve the problems that the voltage value and frequency value of the microgrid system cannot reach the expected reference value, etc.

Active Publication Date: 2021-05-28
无锡享源信息科技有限公司
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  • Claims
  • Application Information

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Problems solved by technology

Simple droop control cannot achieve the expected reference value for the voltage and frequency of the microgrid system

Method used

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  • A Hierarchical Control Method for Island Microgrid Considering Communication Data Disturbance Under the Concept of CPS
  • A Hierarchical Control Method for Island Microgrid Considering Communication Data Disturbance Under the Concept of CPS
  • A Hierarchical Control Method for Island Microgrid Considering Communication Data Disturbance Under the Concept of CPS

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing, the content of the present invention is described in further detail:

[0023] A layered control method for an islanded microgrid considering the disturbance of communication data under the concept of CPS of the present invention, its specific content includes the following steps:

[0024] Step 1: Firstly, the concept of CPS technology is expounded, and the CPS technology is applied to the micro-grid system to form a power CPS, and the micro-grid layered control structure is constructed. The layered control structure includes the network layer and the physical layer.

[0025] CPS concept: Cyber-physical fusion system (CPS) is a combination of communication system and physical system. It is a complex system that includes computing, networks, 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 cooperatio...

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Abstract

The invention discloses a layered control method for isolated island micro-grids considering communication data disturbance under the concept of CPS. The present invention is based on the concept of CPS, and utilizes the internal communication network of the microgrid to divide the layered control structure into two layers: the network layer and the physical layer; in the network layer, the influence of CDD on the system control effect is analyzed, and a The strategy of backpropagation neural network is used to complete data compensation and eliminate the influence of CDD. In the physical layer, the P‑ω / Q‑U droop control is used as the primary control of the voltage and frequency of the microgrid. At the same time, the communication data in the network layer and the consistency protocol with the virtual leader are used to complete the control of the output voltage and frequency of each DER. The secondary control of the angular frequency ensures reliable control of the voltage and angular frequency of the microgrid.

Description

technical field [0001] The invention belongs to the field of smart grid control, and in particular relates to a layered control method for an islanded microgrid considering the disturbance of communication data under the concept of a cyber-physical system (CPS). Background technique [0002] Cyber-Physical Systems (CPS) is a combination of communication systems and physical systems. 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 the key research object of the next generation engineering system that realizes the integration of computing, communication and control technology. With the rapid development of embedded technology and communication technology, the concept of CPS is more and more widely use...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/38
CPCH02J3/38H02J3/388Y02A30/60
Inventor 杨秋霞袁冬梅张博支成
Owner 无锡享源信息科技有限公司
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