CN110970921A - Novel anti-attack mechanism of power grid multi-defense system - Google Patents
Novel anti-attack mechanism of power grid multi-defense system Download PDFInfo
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- 238000004458 analytical method Methods 0.000 claims abstract description 23
- 238000004146 energy storage Methods 0.000 claims abstract description 18
- 238000013480 data collection Methods 0.000 claims abstract description 10
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1441—Countermeasures against malicious traffic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security
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Abstract
The invention discloses an anti-attack mechanism of a novel power grid multi-defense system, which comprises a smart distributed energy management cloud platform, a data center, a micro-grid energy management unit, an energy storage module, an environment-friendly power generation module, a defense algorithm module, a data credit evaluation module, a data credit analysis module, a data collection unit, a storage module and an intelligent distribution network terminal, wherein the smart distributed energy management cloud platform is interactively connected with the data center, the data center is respectively connected with the defense algorithm module, the storage module and the intelligent distribution network terminal, the defense algorithm module is connected with the data credit evaluation module, and the data credit evaluation module is connected with the data credit analysis module; the invention realizes the purpose of preventing the attack of the malicious intelligent terminal through the credit evaluation mechanism, combines the credit mechanism with the communication behavior of the intelligent terminal, and evaluates the credit degree of the intelligent terminal by utilizing the direct credit and the indirect credit, thereby isolating the malicious intelligent terminal and ensuring the safe operation of the defense system.
Description
The technical field is as follows:
the invention relates to the technical field of power grid defense, in particular to an anti-attack mechanism of a novel power grid multi-defense system.
Background art:
with the progress of the economic society and the wide application of advanced communication, information and other technologies, intellectualization has become a new trend of the development of defense systems. The defense system has the characteristics of informatization, automation and interaction, and the bidirectional interaction of the intelligent terminals is enhanced, so that more risks are brought to the defense system by the access of a large number of intelligent terminals, and a new safety problem is brought to the development of the defense system. How to ensure the safe and reliable operation of a defense system, especially prevent the attack and the damage of a malicious intelligent terminal, thereby realizing the optimal configuration and the efficient utilization of power distribution network resources and the comprehensive control and the timely disposal of risks, and becoming one of the important research directions in the field of intelligent power grid information security.
The defense system is characterized by realizing distributed energy integration, bidirectional current, equipment intellectualization and dynamic pricing, and is connected with a large number of intelligent electrical equipment and distributed energy (such as electric vehicles, solar energy and the like) in homes or buildings to complete a series of tasks of collecting power consumption information, monitoring the state of the electrical equipment, sending control information, sending price information and the like. But the access of a large number of intelligent terminals brings great potential safety hazards to the defense system.
The defense system mainly comprises a power distribution main station and a power distribution terminal, wherein the power distribution main station is the core of data processing/storage, man-machine contact and realization of various application functions, and the power distribution terminal is an automation device arranged on the operation site of primary equipment and selects different types according to specific application objects. Before communication, the intelligent power distribution terminal is connected into the defense system, and then the intelligent power distribution terminal and the main station system perform bidirectional communication to complete the functions of remote control, remote measurement and/or remote signaling of the main station system to the intelligent terminal.
At present, the information security measures of the defense system include technologies such as identity authentication, access control, encryption transmission and the like, wherein the identity authentication prevents illegal access by identifying the identity of the intelligent terminal, the access control prevents unauthorized operation by limiting the authority of the intelligent terminal, and the encryption transmission ensures confidentiality of data streams through encryption. By the method, the security of the defense system is improved to a certain extent, the security risk of the defense system is reduced, but trust interaction is carried out on the intelligent terminal after identity authentication, and prevention of attack after identity invasion of an internal malicious intelligent terminal, an internal controlled intelligent terminal and an external malicious intelligent terminal is not realized. Research and practice show that: compared with other security technologies, the credit evaluation mechanism has the irreplaceable advantage in the aspect of preventing attacks from any malicious intelligent terminal, and therefore, an anti-attack mechanism of a novel power grid multiple defense system is provided.
The invention content is as follows:
the invention aims to provide an anti-attack mechanism of a novel power grid multiple defense system to solve the problems in the background technology.
The invention is implemented by the following technical scheme: an anti-attack mechanism of a novel power grid multi-defense system comprises a smart distributed energy management cloud platform, a data center, a micro-grid energy management unit, an energy storage module, an environment-friendly power generation module, a defense algorithm module, a data credit evaluation module, a data credit analysis module, a data collection unit, a storage module and an intelligent distribution network terminal, wherein the smart distributed energy management cloud platform is connected with the data center in an interactive manner, the data center is respectively connected with the defense algorithm module, the storage module and the intelligent distribution network terminal, the defense algorithm module is connected with the data credit evaluation module, the data credit evaluation module is connected with the data credit analysis module, the data credit analysis module is connected with the data collection unit, the smart distributed energy management cloud platform is connected with the micro-grid energy management unit, and the micro-grid energy management unit is connected with the energy storage module in an interactive manner, the energy storage module is connected with the environment-friendly power generation module;
the intelligent distributed energy management cloud platform is used for realizing remote monitoring, operation and maintenance and simultaneously realizing a control algorithm;
the data center is used for a distributed cloud data center capable of performing data backup processing;
the micro-grid energy management unit is used for controlling loads such as distributed power generation, energy storage and charging piles through a locally deployed micro-grid energy management system, receiving a large-grid dispatching instruction and friendly interaction with the large-grid dispatching instruction, interacting with an intelligent distributed energy management cloud platform, and forming an energy internet ecosystem by a micro-grid group, distributed power generation and the like;
the energy storage module is designed according to the principle that the system can be furthest consumed in place and can independently operate off the grid, and mainly comprises two operation modes: two modes of grid-connected operation and island operation;
the environment-friendly power generation module is used for supplying power to the whole power grid defense system;
the defense algorithm module is used for controlling the calling of the data center, the data credit evaluation module, the data credit analysis module and the data collection unit to complete the fusion of the communication process and credit evaluation of the intelligent distribution network terminal;
the data reputation evaluation module is used for evaluating the reputation value of the intelligent terminal according to the original data;
the data credit analysis module is used for generating an analysis report for the original data by the data credit analysis module;
the data collecting unit is used for collecting data information as an original data source.
As further preferable in the present technical solution: the intelligent distribution network terminal is respectively connected with the monitoring center and the mobile data terminal, and the monitoring center is connected with the alarm module.
As further preferable in the present technical solution: the data center comprises a database module and a storage module, wherein the database module is used for generating a reputation table for storage and sending the reputation table to the storage module.
As further preferable in the present technical solution: the environment-friendly power generation module comprises distributed photovoltaic power generation, wind power generation, tidal power generation and river power generation.
As further preferable in the present technical solution: the parameters required to be set by the defense algorithm module comprise a minimum reputation value, a maximum reputation value, a reputation confidence threshold value, a reputation adjustment threshold value and an initial reputation value.
As further preferable in the present technical solution: the alarm unit is connected with the fault grade judgment unit.
As further preferable in the present technical solution: the information of the credit table comprises intelligent terminal ID information, direct credit value information, indirect credit value information and comprehensive credit value information.
As further preferable in the present technical solution: the mobile data terminal is any one or more of a smart phone, a tablet and a vehicle-mounted display.
The invention has the advantages that:
1. according to the invention, when the power grid fails, the anti-attack mechanism can quickly enter an island operation state, the power supply reliability of important loads is ensured, and the operation stability is ensured. The anti-attack mechanism ensures the safe power supply of the data center load and can realize off-grid power supply and standby power supply service for a certain time.
2. And an intelligent micro-grid energy management unit is adopted. The unit controls loads such as distributed power generation and energy storage through a locally deployed microgrid energy management system, can accept a large power grid dispatching instruction and friendly interaction with the large power grid dispatching instruction, can interact with a smart distributed energy management cloud platform, and can form an energy internet ecosystem by a microgrid group, distributed power generation and the like.
3. The invention realizes the purpose of preventing the attack of the malicious intelligent terminal through the credit evaluation mechanism, combines the credit mechanism with the communication behavior of the intelligent terminal, and evaluates the credit degree of the intelligent terminal by utilizing the direct credit and the indirect credit, thereby isolating the malicious intelligent terminal and ensuring the safe operation of the defense system.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the system of the present invention.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1, the present invention provides a technical solution: an anti-attack mechanism of a novel power grid multi-defense system comprises a smart distributed energy management cloud platform, a data center, a micro-grid energy management unit, an energy storage module, an environment-friendly power generation module, a defense algorithm module, a data credit evaluation module, a data credit analysis module, a data collection unit, a storage module and an intelligent distribution network terminal, wherein the smart distributed energy management cloud platform is connected with the data center in an interactive manner, the data center is respectively connected with the defense algorithm module, the storage module and the intelligent distribution network terminal, the defense algorithm module is connected with the data credit evaluation module, the data credit evaluation module is connected with the data credit analysis module, the data credit analysis module is connected with the data collection unit, the smart distributed energy management cloud platform is connected with the micro-grid energy management unit, and the micro-grid energy management unit is connected with the energy storage module in an interactive manner, the energy storage module is connected with the environment-friendly power generation module;
the intelligent distributed energy management cloud platform is used for realizing remote monitoring, operation and maintenance and simultaneously realizing a control algorithm;
the data center is used for a distributed cloud data center capable of performing data backup processing;
the micro-grid energy management unit is used for controlling loads such as distributed power generation, energy storage and charging piles through a locally deployed micro-grid energy management system, receiving a large-grid dispatching instruction and friendly interaction with the large-grid dispatching instruction, interacting with an intelligent distributed energy management cloud platform, and forming an energy internet ecosystem by a micro-grid group, distributed power generation and the like;
the energy storage module is designed according to the principle that the system can be furthest consumed in place and can independently operate off the grid, and mainly comprises two operation modes: two modes of grid-connected operation and island operation;
the environment-friendly power generation module is used for supplying power to the whole power grid defense system;
the defense algorithm module is used for controlling the calling of the data center, the data credit evaluation module, the data credit analysis module and the data collection unit to complete the fusion of the communication process and credit evaluation of the intelligent distribution network terminal;
the data reputation evaluation module is used for evaluating the reputation value of the intelligent terminal according to the original data;
the data credit analysis module is used for generating an analysis report for the original data by the data credit analysis module;
the data collecting unit is used for collecting data information as an original data source.
In this embodiment, specifically: the intelligent distribution network terminal is respectively connected with the monitoring center and the mobile data terminal, and the monitoring center is connected with the alarm module.
In this embodiment, specifically: the data center comprises a database module and a storage module, wherein the database module is used for generating a reputation table for storage and sending the reputation table to the storage module.
In this embodiment, specifically: the environment-friendly power generation module comprises distributed photovoltaic power generation, wind power generation, tidal power generation and river power generation.
In this embodiment, specifically: parameters required to be set by the defense algorithm module comprise a minimum credit value, a maximum credit value, a credit credibility threshold value, a credit adjustment threshold value and an initial credit value, direct credit value calculation is carried out on the current intelligent terminal according to the statistical intelligent terminal behavior information, indirect credit calculation is carried out on the single intelligent terminal according to third-party credit broadcast data, and finally, the comprehensive credit of the intelligent terminal is calculated according to comprehensive credit evaluation, and the direct credit value and the indirect credit value of the input data bit of the comprehensive credit evaluation are calculated.
In this embodiment, specifically: the alarm unit is connected with the fault grade judgment unit.
In this embodiment, specifically: the information of the credit table comprises intelligent terminal ID information, direct credit value information, indirect credit value information and comprehensive credit value information.
In this embodiment, specifically: the mobile data terminal is any one or more of a smart phone, a tablet and a vehicle-mounted display, and can be carried about, so that a manager can timely know fault information when a fault condition occurs; .
Working principle or structural principle: firstly, when a power grid fails, an anti-attack mechanism can quickly enter an island operation state, the power supply reliability of important loads is guaranteed, and the operation stability is guaranteed. The anti-attack mechanism ensures the safe power supply of the data center load and can realize off-grid power supply and standby power supply service for a certain time;
and an intelligent micro-grid energy management unit is adopted. The unit controls loads such as distributed power generation and energy storage through a locally deployed microgrid energy management system, can accept a large power grid dispatching instruction to interact with the unit friendly, can interact with a smart distributed energy management cloud platform, and can form an energy internet ecosystem by a microgrid group, distributed power generation and the like;
the purpose of preventing the malicious intelligent terminal from attacking is achieved through a credit evaluation mechanism, the credit mechanism is combined with the communication behavior of the intelligent terminal, and the credit degree of the intelligent terminal is evaluated by using direct credit and indirect credit, so that the malicious intelligent terminal is isolated, and the safe operation of a defense system is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. Novel multiple defense system's of electric wire netting anti attack mechanism, including wisdom distributed energy management cloud platform, data center, little electric wire netting energy management unit, energy storage module, environmental protection power generation module, defense algorithm module, data credit evaluation module, data credit analysis module, data collection unit, storage module and intelligent distribution network terminal, its characterized in that: the intelligent distributed energy management cloud platform is in interactive connection with a data center, the data center is respectively connected with a defense algorithm module, a storage module and an intelligent distribution network terminal, the defense algorithm module is connected with a data credit evaluation module, the data credit evaluation module is connected with a data credit analysis module, the data credit analysis module is connected with a data collection unit, the intelligent distributed energy management cloud platform is connected with a microgrid energy management unit, the microgrid energy management unit is in interactive connection with an energy storage module, and the energy storage module is connected with an environment-friendly power generation module;
the intelligent distributed energy management cloud platform is used for realizing remote monitoring, operation and maintenance and simultaneously realizing a control algorithm;
the data center is used for a distributed cloud data center capable of performing data backup processing;
the micro-grid energy management unit is used for controlling loads such as distributed power generation, energy storage and charging piles through a locally deployed micro-grid energy management system, receiving a large-grid dispatching instruction and friendly interaction with the large-grid dispatching instruction, interacting with an intelligent distributed energy management cloud platform, and forming an energy internet ecosystem by a micro-grid group, distributed power generation and the like;
the energy storage module is designed according to the principle that the system can be furthest consumed in place and can independently operate off the grid, and mainly comprises two operation modes: two modes of grid-connected operation and island operation;
the environment-friendly power generation module is used for supplying power to the whole power grid defense system;
the defense algorithm module is used for controlling the calling of the data center, the data credit evaluation module, the data credit analysis module and the data collection unit to complete the fusion of the communication process and credit evaluation of the intelligent distribution network terminal;
the data reputation evaluation module is used for evaluating the reputation value of the intelligent terminal according to the original data;
the data credit analysis module is used for generating an analysis report for the original data by the data credit analysis module;
the data collecting unit is used for collecting data information as an original data source.
2. The anti-attack mechanism of the novel power grid multi-defense system according to claim 1, characterized in that: the intelligent distribution network terminal is respectively connected with the monitoring center and the mobile data terminal, and the monitoring center is connected with the alarm module.
3. The anti-attack mechanism of the novel power grid multi-defense system according to claim 1, characterized in that: the data center comprises a database module and a storage module, wherein the database module is used for generating a reputation table for storage and sending the reputation table to the storage module.
4. The anti-attack mechanism of the novel power grid multi-defense system according to claim 1, characterized in that: the environment-friendly power generation module comprises distributed photovoltaic power generation, wind power generation, tidal power generation and river power generation.
5. The anti-attack mechanism of the novel power grid multi-defense system according to claim 1, characterized in that: the parameters required to be set by the defense algorithm module comprise a minimum reputation value, a maximum reputation value, a reputation confidence threshold value, a reputation adjustment threshold value and an initial reputation value.
6. The anti-attack mechanism of the novel power grid multi-defense system according to claim 2, characterized in that: the alarm unit is connected with the fault grade judgment unit.
7. The anti-attack mechanism of the novel power grid multi-defense system according to claim 1, characterized in that: the information of the credit table comprises intelligent terminal ID information, direct credit value information, indirect credit value information and comprehensive credit value information.
8. The anti-attack mechanism of the novel power grid multi-defense system according to claim 2, characterized in that: the mobile data terminal is any one or more of a smart phone, a tablet and a vehicle-mounted display.
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