A non-intrusive interception detection method for illegal access to power dispatching service network

Abstract

The present invention relates to the field of power system dispatching automation, in particular to a method for detecting illegal access to a non-intervention interception power dispatching service network. The method transmits the intercepted data to the ARM through the PCI bus through the FPGA programmable logic array chip for processing The ARM processor performs concurrent analysis and processing, and sends the analysis results to the host computer. The visual interface of the host computer displays the problem nodes in a graphical way, and realizes the detection of illegal access to the power dispatching service network. Compared with the prior art, the present invention uses the FPGA programmable logic array chip to realize real-time interception of the power dispatching service network network, performs high-speed analysis and alarm through the ARM processor, and establishes a secondary equipment situation model of the power dispatching service network, Finally, the non-destructively captured network communication is displayed graphically in a visual way.

Description

technical field [0001] The invention relates to the field of power system dispatching automation, in particular to a method for detecting illegal access to a non-intervention interception power dispatching service network. Background technique [0002] With the rapid development of the national economy, the construction of the national power grid is accelerating, and the power grid dispatching automation system has achieved unprecedented development. further manifested. [0003] The power grid dispatching automation system is the core system responsible for the safe production of the power system. It is the center for dispatching and controlling power plants, substations, and lines. It monitors and controls the operation of remote power plants and substations, providing a strong guarantee for the safety, economy, and high-efficiency power supply of power grid operations. Therefore, the power grid dispatching automation system is connected to many power plants, substations,...

AI Technical Summary

Problems solved by technology

Therefore, the power grid dispatching automation system is connected to many power plants, substations, and lines (hereinafter collectively referred to as sub-stations) for management, and these sub-stations are connected due to technical inconsistencies at several levels such as integration manufacturers and operation management personnel. The latter part of the substations often fails, and some failures not only affect their own substations, but also affect the safety of other substations and even the power grid in the area

For example, during the construction process, the computers of some manufacturers’ engineering personnel access the substation system for debugging. Since the grid dispatching automation system is a large communication network in terms of communication structure, it is likely to cause IP conflicts and affect normal substation communication.

At the same time, in this process, the virus is likely to be brought into the entire dispatch automation network, which will have a great impact on the normal operation of substations and hidden safety hazards, and even lead to the collapse of the entire power grid dispatch automation system

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