III.
IV.Fourth, the system components and functions
Intelligent substation auxiliary system integrated monitoring platform mainly by the system back-end host, transmission equipment, auxiliary control system IED and various auxiliary production subsystem. The whole system takes the background host as the core, completes the highly integration of all kinds of subsystems, and realizes functions such as data processing, linkage configuration, real-time monitoring, data information preservation and so on, and completes the communication with other systems.
Under the premise of maintaining relatively independent operation of existing subsystems and automatic closed-loop control, background host to standard IEC61850 agreement through the auxiliary control system master IED with the subsystems to communicate through the subsystems to achieve the substation site video and other production information collection, processing, monitoring and other functions.
1- Transformer substation panoramic information collection and modeling, panoramic data sharing , centralized management. Through the different sources of data and data types Unified Modeling, standard access and data services, Auxiliary production equipment and substation operating environment provides a complete panoramic information base.All the substations video, environment, security guard, fire alarm, personnel access, equipment status, operating records and other data information unified classification storage, automatic processing and integrated integrated display.
2-All kinds of subsystem information model and communication interface truly adopt IEC61850 standard, and regulate the information transmission mode and communication protocol of auxiliary production system, so as to standardize network structure, standardize communication protocol,lay the necessary foundation for the realization of unified management.
3-Realize the standardized two-way communication with substation integrated monitoring system, provide real-time video, picture and data information for substation integrated monitoring system, and realize substation auxiliary system data information in integrated monitoring system backstage (and then far station) Visual display.
4-Real-time voice alarm and short message remote alarm of various alarm events were realized, and the intelligent filtering, classification, retrieval and event history inversion of various alarm messages on the same monitoring platform were realized.
V.Fifth, the system technical design description:
(A), environmental monitoring subsystem:
5-The environmental monitoring subsystem can collect, process and upload environmental information such as temperature, humidity, wind force, water immersion and SF6 concentration in a station in real time, and the collection period is less than 1 second, and the changes of data are uploaded to the intelligent auxiliary system integrated platform. Historical data of environmental information can be saved permanently, various remote signal value changes are saved in real time, and telemetry values can be saved automatically in 5-minute intervals. It can be used for real-time alarm for tele-communication displacement and telemetry overrun situation. Different alarm levels and areas can be set. The alarm can remind relevant personnel through voice, picture, SMS, printing and so on. Ambient volume telemetry displacement and telemetry overrun alarm can be linked with the control subsystem, when the alarm occurs, according to set the linkage plan, it will automatically link the camera presets, and alarm recording. A number of alarms can be linked to multi-channel video, that is, when an alarm occurs, you can simultaneously link multiple cameras, from different angles and different directions will be the scene information to the control center.
Environmental monitoring subsystem includes temperature acquisition, humidity acquisition, flooding collection, wind collection, SF6 gas collection. The data is transmitted to the intelligent data assisting control system network data server through the collector, and the intelligent auxiliary control system analyzes the data to make corresponding alarming. According to the linkage setting, the corresponding control subsystem is started (temperature and humidity related air conditioning system, flood associated drainage system , SF6 associated fan) and other plans.
Main technical characteristics:
1- Real-time monitoring: Real-time monitoring of the working environment status (temperature, humidity, water leakage, water level, wind speed, SF6 concentration, etc.) of important substations and important equipment, timely warning of abnormal working environment.
2-Control function: through the linkage of air conditioners, fans, lights, pump controllers and other equipment, the monitoring of environmental parameters remote real-time control and regulation.
3-Light control: According to the weather, time and other external environmental conditions and intrusion alarm, fire alarm, video camera and other incidents, the automatic control of light on.
4-Coordinate with other auxiliary production systems for coordination.
(B), video surveillance subsystem:
Substation video surveillance area for the substation control room, secondary equipment room, high voltage room, cable layer, capacitor room, independent communications room, the other on the substation gate, pit lane, the main control room doors and windows and other important areas of security situation Video surveillance, Substation critical equipment appearance of the main operating conditions of video surveillance circuit breakers, Open-switch points engagement state, transformer oil level and so on. Substation video monitoring system consists of hard disk recorders, cameras, smart analysis of servers and other equipment.
Main technical characteristics:
1-Video access: support access to different manufacturers of digital cameras or analog cameras.
2-Compression: support PAL / NTSC video signal input, support for H.264 video compression technology and G.711 audio compression standard, support for JPEG standard 4CIF or CIF format picture compression, storage, network transmission.
3-Video display: support multi-screen split preview, the screen electronic zoom and full-screen display, preview channel optional. Support preview group switch, manual switch or automatic tour preview, automatically set the tour cycle.
4-Image operation: support video recording, picture capture, PTZ control and preset position calling of any picture; Support OSD overlay of any picture, including time information, camera number and location, environment quantity information, character position, font , The size can be set free; support video parameters (brightness, contrast, saturation, hue) dynamic adjustment.
5-Video detection: Support video motion detection, video loss detection, video detection, video anomaly detection and video privacy cover.
6-Image storage, playback: support for cycle writing; video trigger modes include manual, timer, alarm, motion detection, motion detection or alarm; support pause during playback, fast play, slow play, jump before, after jumping, electronic amplification , Drag the mouse positioning.
7-Remote video inspection: You can set the inspection path, inspection rules. The system records information inspection time, operators, and support for inspection pause, ended, restarted operations.
8-Multi-angle video: Support for multiple cameras at the same time to multi-angle view of an object.
9-Video auto-reset: Under normal condition, the camera will keep the default position and resume the default surveillance position within the set time period after the control is completed.
10-System alarm: video loss alarm, video motion detection alarm, video occlusion alarm, video signal anomaly alarm, input / output video format mismatch alarm, illegal access alarm, network disconnection alarm, IP collision alarm, video error alarm, Hard disk error alarm and hard disk full alarm.
11-System linkage: support and other auxiliary production system coordination linkage, security alarm in the system, access control events (normal credit card, illegal credit card, press the button to go out), automatic fire alarm system alarm, integrated monitoring system operation breaker and so on Event, the video surveillance system can call the camera preset position for recording or taking pictures.
12-Intelligent Video Analysis: The video monitoring system can start the preset camera position according to the command, collect the video picture of the monitored object, perform data analysis within a specified time and perform model comparison. The analysis result can be model data, analysis picture or video clip.
13-Have to cross the warning surface, Into the area, regional invasion, pick up items placed wandering, people gather, illegal parking, fast-moving and other intelligent video analysis functions.
(C), fire alarm subsystem:
In addition to the fire alarm subsystem used to monitor the indoor fire or smoke, the transformer and other important equipment to achieve foam fire and send out a warning signal, Also through the intelligent auxiliary control system and video surveillance subsystem to communicate with each other, to achieve linkage. When a fire occurs, the intelligent control system determines the smoke or fire equipment address code, determine the location of the alarm, make a decision. According to the preset linkage mechanism, an order is sent to the video surveillance system to mobilize the camera in the corresponding location to point to the alarm area of the fire alarm, at the same time pop-up video window for staff on duty to view and take appropriate measures. Fire alarm subsystem also with heating and ventilation systems, air-conditioning control system linkage, when the fire occurs, according to the preset linkage mechanism, automatically stop or turn on ventilation, stop air conditioning operation.
Main technical characteristics:
1-Real-time monitoring of substations in the main area of the state, in the event of a fire, timely alarm signal to indicate the location of the fire, recording the time of the fire.
2-Fire system can be linked to start automatic fire extinguishing device or fire isolation measures.
3-Environmental monitoring system can be linked to turn off air conditioning, fans and other equipment to prevent the spread of fire.
4-May linkage intelligent access control system to open the door to facilitate the evacuation of personnel and fire rescue workers to enter.
5-Video surveillance system can be linked to the fire occurred in the region for taking pictures or video.
(D), security guard subsystem:
Security guard subsystem mainly through a variety of integrated detection and sensing technology for the perimeter of the substation site to achieve the pre-invasion role in the invasion and destruction.Mainly on the walls, gates, windows for surveillance and intrusion detection, to prevent illegal invasion, in order to protect the substation site and the surrounding environment. System has electronic fence host, electronic fence, infrared shooting and other devices, the system will be divided into four walls of the entire area. When someone tries to cross the fence at the top of the electronic fence or someone cut the fence line, will trigger the fence host alarm. The alarm signal output by the fence host can drive the alarm area to sound the treble alarm and the alarm indicator starts flashing, On the invasion of personnel play a deterrent role, at the same time prompts station personnel to view.
Perimeter alarm in the completion of the alarm, protection functions, but also with the video surveillance system linkage, mutual communication, to achieve where the alarm, the camera will be adjusted to the corresponding preset position. In the night or illumination is not enough, but also linked with the lighting control system, timely opening alarm area lighting. At the same time, the main station can immediately pop up the video window of the area for the main site end-staff to view.
Main technical characteristics:
1-Deterrence and physical obstruction: has a strong deterrent effect, can effectively deter intimidation attempts to intruders, while a complete and visible electronic fence can stop the overrun behavior, the protection of the perimeter of the region.
2-Intelligent Alarm: Flexible alarm sensitivity can be set to ensure a very low false alarm rate, while being able to distinguish between accidental contact and forcible invasion.
3-Management of regional division: the implementation of the system division of regional management, to facilitate the accurate positioning of the alarm area, while the defense zone can be easily armed, disarmed, and can be automatically placed on time or automatically disarm.
(E), access control subsystem:
Access control system has access control controller, card reader, electronic door locks and other equipment, in the substation gate, the secondary equipment room, GIS room, control room, computer room, communications room and other areas installed access control systems and smart other subsystems linkage auxiliary control system.
When someone punch card, the access control system to upload this information and trigger the alarm, the background can be manually or automatically call the appropriate camera view, the video screen and access card information sent to the operating personnel to compare, to prevent the theft of someone else's card is illegal enter.
When the fire alarm subsystem occurs, the access control system can open all doors in the fire-related area in conjunction with each other to facilitate the fire personnel to control or evacuate.
Main technical characteristics:
1-With the portal access control, real-time monitoring, anti-theft security alarm and other features.
2-Have a variety of ways to open the door, such as credit card open the door, password to open the door, card and password to open the door, multi-card open, remote control open the door.
3-With forced closing and emergency opening function, with remote open the door, close the door.
4-With information recording function, can record the status of door switch, switch records, access time and open the person's card number, name, unit and other information, all recorded information can be read remotely.
5-With network fault alarm, illegal break into the alarm, the door for a long time did not shut down, "illegal card" credit card alarm, coercion alarm and other alarm modes.
6-Video surveillance subsystem, lighting control subsystem, fire alarm subsystem and other auxiliary production system linkage function.
(F), intelligent lighting control system:
Intelligent lighting control system with camera tracking open function. When the camera is rotated or focused under emergencies (including illegal intrusion, fire alarm, trip of substation accident, etc.) at night or when the light is dark, the system, according to a predetermined linkage mechanism, turn on the corresponding lights, used as camera light compensation. When nighttime remote video patrols are required, lights turn on and off according to the camera's patrol path. Light control system and access control system to form linkage, at night or dark light for the normal work on duty to provide convenience. For example: when the operator enters the computer room through the access control card at night, the indoor light is automatically turned on; when the operator is finished working, the indoor light is automatically turned off when the card is withdrawn from the computer room.
Auxiliary system integrated monitoring platform for substation lighting system for intelligent control to meet substation unattended requirements, while achieving energy-saving emission reduction purposes.
Main technical characteristics:
1-Through reasonable management such as computer centralized control, timing control, when needed, will need the area, through the intelligent way to switch the light control circuit open and close to the appropriate number of ways to save energy and reduce operating costs.
2-Through the combination of timing control and centralized control, it is ensured that the lighting of the public channel such as the corridor and the elevator hall can be turned on and off remotely to save energy and facilitate the management.
3-The video surveillance subsystem, subsystem safety guards and other auxiliary production system linkage function.
Six, the system software:
The main function:
YJ3000 master software has a good interface, easy to operate. With an open architecture, it is easy to interconnect with various subsystems, sharing data. System software has a strong data computing power, according to the data of various subsystems analysis and mining, Through the data exchange operation of each subsystem, the real-time monitoring of the operation status of the substation equipment is realized, data mining analysis is performed on the operation history data storage of the equipment, Formation of expert diagnosis database for substation equipment. The system can automatically provide the best treatment plan according to the real-time operating status of the equipment to ensure the long-term stable operation of the substation equipment and greatly reduce the operation and maintenance costs of the substation equipment. The main features of the system are as follows:
1-Having a dynamic layout view of the entire substation according to the layout of the field device, the device and the detector are clearly all the monitoring points, the image of the logo, it is clear.
2-Real-time display of monitoring data screen, when there is a more limited or displacement alarm occurs, to a variety of eye-catching way to prompt.
3-Alarm occurs, the main interface from the system can easily determine the location of the alarm, and then manually switch to the appropriate screen to view details;
4-On duty personnel can also deal with the alarm through the alarm window, such as alarm confirmation and so on.
5-System through the appropriate software interface, the data can be sent to other systems, such as MIS systems.
6-The system has historical data query function, you can view the historical data of a certain period of time in the past through the trend chart, in order to analyze the cause of the malfunction.
7-Report function, the system can be based on user requirements, output the corresponding statements in order to make decisions for the upper leadership.
