Micro-grid distributed synchronous detection method for false injection attack

A technology of injection attack and synchronous detection, applied in electrical components, circuit devices, AC network circuits, etc., can solve the problems of lack of effective security protection, increase the risk of malicious network attacks on information systems, and threaten the security of power systems

Active Publication Date: 2021-08-20
SOUTHEAST UNIV
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  • Abstract
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Problems solved by technology

[0004] However, a large number of sensing, measurement and control devices lacking effective security protection are connected to the microgrid. At the same time, third-party applications in the public communication network can flexibly access the information system of the microgrid to provide auxiliary services, which brings more potential for the information system of the microgrid. network attack access points, which increases the risk of in

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  • Micro-grid distributed synchronous detection method for false injection attack
  • Micro-grid distributed synchronous detection method for false injection attack
  • Micro-grid distributed synchronous detection method for false injection attack

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present disclosure with reference to the accompanying drawings in the embodiments of the present disclosure. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present disclosure.

[0036] The present invention designs a micro-grid distributed elastic collaborative control method based on confidence factors, which is used to realize elastic control of reactive power and average voltage in an island micro-grid under false data injection attacks. In practical applications, such as figure 1 As shown, it specifically includes the following steps:

[0037] Step 1) Carry out a control according to formula (1) to maintain the powe...

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Abstract

The invention relates to a micro-grid distributed synchronous detection method for a false injection attack, and belongs to the technical field of micro-grid operation control. The detection method comprises the specific steps of performing primary droop control and distributed secondary voltage reactive power control on the micro-grid, determining a detection signal of a distributed power supply, calculating a detection index according to a feedback function, and analyzing an abnormal index to detect a false data injection attack. The detection method is based on consistency control of a multi-agent system, is a distributed method, can adapt to delay and packet loss in a communication network, and has different sensitivities to attack signals.

Description

technical field [0001] The disclosure belongs to the technical field of micro-grid operation control, and specifically relates to a micro-grid distributed synchronization detection method for false injection attacks. Background technique [0002] With the depletion of the earth's resources and people's attention to environmental issues, the access to renewable energy has attracted more and more attention from all over the world. Microgrid is an emerging energy transmission mode that increases the penetration of renewable energy and distributed energy in the energy supply system, and its components include different types of distributed energy (including micro gas turbines, wind turbines, photovoltaics, fuel cells, energy storage equipment, etc.), user terminals of various electrical loads and / or thermal loads, and related monitoring and protection devices. [0003] The power supply inside the microgrid is mainly responsible for energy conversion by power electronic devices ...

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Application Information

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IPC IPC(8): H02J3/50H02J3/24
CPCH02J3/50H02J3/241H02J2300/20H02J2300/22H02J2300/28H02J2203/20Y04S40/20
Inventor 叶曹戈顾伟楼冠男盛丽娜
Owner SOUTHEAST UNIV
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