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With technological advancement, ADSS/OPGW optical cables see large - scale application in power systems. Leveraging high - capacity transmission and strong anti - interference, they become the core carrier of power communication networks. Meanwhile, SDH/MPLS - TP equipment, via synchronous multiplexing advantages, meets multi - service bandwidth demands of dispatching data. Together, they build a highly reliable, scalable power communication transmission system, underpinning smart grid multi - services and enabling digital, intelligent operation & control of power systems.
Power Line Carrier Communication
The power line carrier communication uses overhead power lines as the transmission medium, suitable for AC and DC high - voltage systems of 35KV and above. It can transmit services like telephone, remote control, and relay protection signals, boasting advantages such as low investment, high stability, and strong disaster resistance. As a core power communication technology, it is widely applied in scenarios including power grid dispatching automation, serving as an economical and practical communication means for power systems.
The integrated security system integrates video surveillance, access control, perimeter alarm and other subsystems, enabling data sharing and collaborative linkage via a unified platform. Each subsystem operates independently yet links strategically, forming an all-round, three-dimensional security network. Widely used in cities, parks, buildings and other scenarios, it enhances the efficiency of intelligent security management and risk disposal capabilities.
In - plant Communication System
The in-plant communication system integrates PABX, PA intercom systems, public address systems, wireless intercom systems and other related systems into an all-area voice network. PABX supports administrative and dispatch calls by scenario; PA intercom systems ensure communication in high-noise environments; public address systems enable notification and early warning linkage; wireless intercom systems support mobile group communication via handheld terminals. All these systems are position-adapted and interconnected, providing voice support for production scheduling and safety management.
Dispatch Data Network and Secondary Security System
The power dispatching data network and secondary security system are key supports for the safe operation of smart grids. The dispatching data network relies on intelligent routing technology to build bidirectional communication links between dispatching centers and stations, enabling real-time transmission of business data. The secondary security system follows principles such as "security zoning, horizontal isolation, and vertical authentication". It divides production control and information management zones, deploys isolation and encryption devices, and combines real-time monitoring via intrusion detection systems to build a solid security defense for core power services.
Intelligent Auxiliary Monitoring System
The intelligent auxiliary monitoring system takes the environmental monitoring platform as its core. Through the monitoring host, it aggregates environmental parameters such as temperature and humidity, and gas; security information such as fire protection and access control; as well as power data such as UPS and storage batteries. Various devices interact and link with each other through protocols like MQTT and 104, enabling unified management and automatic control. It is widely applied in fields such as security, transportation, industry, and public management.
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