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The Power Distribution Monitoring System for Beijing Olympic Stadiums
Company: State Grid
Location: Beijing, China

The 2008 Summer Olympics was a major international multi-sport event that took place in Beijing with a total of 31 venues hosting the events. The 2008 Games were the first to be produced and broadcast entirely in high definition (HD) by the host broadcaster and it was reported that over 4.7 billion viewers worldwide tuned into the television coverage. There were 300 Kyland industrial Ethernet switches installed in the power distribution monitoring system, which covered all Olympic stadiums including the Bird's Nest, Water Cube, and many other venues.

System Requirements

VLAN-based network structure is required to isolate the RTU telemetry data & video surveillance data stream
Fast recovery ring topology is required for network safety and reliability
Well deployed QoS policies should be supported to prevent and isolate broadcast storms
Compliant with EMC and temperature demands regulated in IEC61850 standard
A reliable network system cannot fail under any circumstances

Kyland Solution

The Beijing Olympics power distribution monitoring system manages the RTU telemetry data and video surveillance data collected from the power substations, cable junction and switching rooms for all 31 Olympic venues including the Bird's Nest, the Water Cube, Beijing Shooting Range Hall, Laoshan Velodrome. The communication and accessing networks were built with 300 Kyland's SICOM3024 industrial Ethernet switches which were deployed in sub-bureaus of Chaoyang, Haidian, Shijingshan, Changping, Shunyi to collect business data and transfer it to the control center located in Qianmen.

Kyland’s innovative VLAN-based DT-Ring was deployed to realize the network reliability through fast recovery ring topology and isolate the SCADA data from video stream data. The switches' QoS policy settings, IGMP-Snooping function, packet-based VLAN division and priority settings will resolve broadcast storm issues and guarantee the real time and reliable data transmission.

Reliable non-stop operation, strong EMI immunity, media fast redundancy, power redundancy, and a wide temperature range were the key selection criterias. Due to the importance of the project, the State Grid had a special critical requirement that the reliability of the entire system was such that all devices wouldn't fail under any circumstances. Exceeding IEC61850-3 & IEEE1613, with a wide operating temperature range from -40 to 85°C (-40 to 185°F), the 300 Kyland SICOM3024 industrial Ethernet switches, which formed the robust network backbone, experienced zero-defects performance throughout the entire Olympic Games.

Why Kyland

VLAN-based fast recovery DT-Ring protocol achieve the isolation between different data packets transferred on the fast recovery ring topology
QoS policy and broadcast storm control improves network reliability
Operating temperature ranges from -40 to 85°C (-40 to 185°F)
Exceed IEC61850-3 and IEEE1613
Kyland IEC61850 switches are specially designed for the power applications and offer outstanding reliabilities

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