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Application Of Industrial Ethernet Switches In Power System Apr 14, 2017

With the development of substation automation technology and modern network communication technology, with the development of secondary equipment and system of substation, equipment integration and information integration have become inevitable trend, it is urgently needed to realize the whole automation system of a unified information platform.
At least two of the most important aspects of the role, one is to require industrial Ethernet switches to support rapid forwarding and QoS service quality to ensure that the IEC61850 standard of the important GSE/GOOSE packets are transmitted in real time, and can support the multicast communication Management IGMPsnooping. The second is that industrial Ethernet switches must be able to support the construction of redundant network topologies such as the ring-network architecture to improve topology reliability, and at the same time provide extremely short network recovery times. It also includes technical action testing requirements such as VLAN, priority, and fast spanning trees.
In EMC design, industrial Ethernet switches should be able to include electric shocks, lightning and other electromagnetic interference test; In the wide temperature environment requirements, switching equipment must be at-40 ℃ ~85 ℃ Extreme temperature environment can be normal work; in the mechanical structure requirements, switching equipment also through professional third-party vibration and impact tolerance test.
Network features:
1, the formation of a fast redundant ring network, this structure not only reduces the concentration of risk, but also reduce the cost of implementation, through the unique FAR-ring protocol to control its redundancy time less than 300ms.
2, reliable electromagnetic compatibility design, can work in harsh electromagnetic environment, and in the data port lightning protection, rapid Pulse group, electrostatic and so on have a higher level of protection.
3, good temperature characteristic, the temperature range of the working environment is-35 ℃ ~+75 ℃; work Humidity range 5%~95% (no dew).
4, dual-power backup design, DC power supply mode, effectively improve the security and reliability of the system.
5, closed design to meet the needs of dustproof, fold structure heat dissipation, with good dust and heat dissipation; card rail type, rack-type design, support industrial installation.
6, has a powerful network management function, such as: VLAN division, IP address settings, priority control, power management and port status monitoring, flow control and so on.