Electricity is the core of national energy, and substation is the core of power transmission control. The higher the substation voltage level, the greater the power supply range, the more important the status. Any accidental loss of substation will bring tremendous pressure on the entire power grid. With the continuous development of power industry in our country, the safety precaution of substations has become a problem that the power sector is paying more and more attention to. How to deal with the abnormal phenomena that may or may have happened in the first time and save the scene information, Providing first-hand information for analyzing the cause of an accident is a new requirement put forward by the substation for the security system.
In real application, one of the means of monitoring and information monitoring of the entire substation's security status by traditional CCTV monitoring system is to reduce the area of ​​the substation by a large area, prevent the area from being widely distributed, and the facilities are diversified. Therefore, the 24 x 7 protected area should be reduced with other sensors Security personnel to monitor the use of monitors to improve the accuracy of the alarm, shorten the time from the alarm to confirm the response time.
However, traditional approaches often lack true protection for critical infrastructure security and often rely on monitoring multiple cameras or other sensors with security personnel or security guards. The typical result is that the security environment is totally dependent on human attention. Over time, this serious decline in attention, resulting in not using a safety system, or the safety system has been neglected, so that the infrastructure becomes highly vulnerable and insecure.
The intelligent video surveillance system through image analysis and alarm management software to collect and analyze the front-end controller in each region uploaded alarm and image video signals from the emergency command center system management platform for the management of the perimeter system, the border settings , Classification of protection, monitoring of all the perimeter cameras, configuration display devices and other ancillary equipment, also has the ability to detect terminal equipment failure. Through this management platform, when the alarm message appears, the location of the alarm on the electronic map, showing the number of spoilers, the trajectory and so on. When someone tries to cross into or suspicious vehicle approaching, the detector and the video image analysis system can send an alarm signal immediately, and the corresponding camera image is transmitted to the graphic monitoring workstation for monitoring and processing. At the same time, audible and visual alarm signals are issued to remind the duty personnel To PICK UP the police, effectively avoid the drawbacks of the traditional method of over-reliance on manpower, and truly achieve the "technical defense" effect. At the same time, the combination of intelligent management system and intelligent video analysis equipment, through internal intercom system and patrol personnel echoes, can greatly reduce the work intensity of the monitoring center staff, but also for the after-evidence acquisition only need to refer to the alarm Video viewing can be done, do not need to read the massive monitoring video information, saving a lot of manpower and resources, to maximize the security level of the substation.
Substation intelligent monitoring system design goals
The improvement of the intelligent video monitoring system can not only improve the working efficiency of the security personnel, but also enhance the security level of the substation to the maximum so that the substation becomes a model of modern intelligent security. This requires the substation intelligent video surveillance system design fully consider the possible improvement of the overall planning and around the characteristics of the current application requirements based on the combination of practical and development of the overall principle to meet the current application as a starting point to rationalize the design Program; and take into account the future application requirements and technological development for the system to provide an effective technical transition smooth transition. It is the most basic requirement for the security system to guarantee the normal and safe working environment within the power station and to effectively organize and manage the scientific program in accordance with the corresponding plans when unexpected incidents occur.
Substation intelligent video surveillance system design standards in accordance with the relevant national standards of the People's Republic of China security engineering standards in the design of a standard; combined with advanced modern computer technology, modern control technology, modern communication technology, modern image display technology, at the same time Should take full advantage of substation equipment has been installed to achieve the organic combination of the entire system. The implementation of substation safety management measures, Yi Yi in the establishment of a high-level security platform for the substation to provide a safe, convenient and efficient operating environment.
System design ideas and principles
On the basis of taking fully into account the needs of users, combined with many years of experience in intelligent video surveillance system, the program of substation intelligent video surveillance system has been deeply planned and designed.
Feasibility and suitability: The system must guarantee technical feasibility and economic possibility. The systems and products designed for selection should be able to benefit investors with the highest level of security and at the same time meet the needs of recent use and long-term development. The existing mature technologies and products for the design of the object, taking into account the surrounding information and communication environment, the status quo and development trends, and take into account the requirements of management departments to make the system design feasible.
Advanced and reliability: System design should not only consider the advanced nature of the system, but also pay attention to system stability and reliability. The system should be designed with high reliability, ensure the accuracy, integrity and consistency of the data after the system failure or accident caused the system to be paralyzed, and have the function of quick recovery. Especially in the important system, should have a high degree of redundancy to ensure that the system can operate normally.
Openness and standardization: To meet the coordinated operation of the technology and equipment selected by the system and the long-term effects of system investment and the expansion of system functions, the system design must adhere to the openness and standardization of the system. Where possible, the products used in the system are standardized and standardized as much as possible, and the implementation of internationally accepted standards or agreements, so that the selection of products with a strong interchangeability.
Scalability and ease of maintenance: In order to meet the requirements of system function changes, the system design fully embodies the easiest way, the most economical investment, to achieve system expansion and maintenance.
Ease of use and real-time: Administrators can master the management system and monitoring system, can use the monitoring and alarm system to grasp the situation in real time.
Application and Implementation of Intelligent Monitoring System
As the substation is the core of power transmission control, many important units, equipment and systems are operating in the substation. Therefore, the key monitoring area of ​​the substation will be the main place for intelligent monitoring applications, including: power distribution room, step-up substation, main substation , Secondary substation, distribution station, science and technology building.
Mainly to install infrared camera + intelligent visual analysis server, all-weather detection, to prevent criminals from entering an important area, when the detection of intrusion alarm linkage pop-up alarm screen. Or use the infrared camera + intelligent video analysis server, all-weather detection, enabling packet loss detection alarm. To prevent criminals from dropping dangerous goods in important areas, the intelligent video analysis server will immediately alarm and linkage pop-up alarm screen in the event of dangerous goods being deposited, so that security personnel can confirm the timely handling of dangerous situations.
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