Study On Optical Communications, Volume. 49, Issue 6, 51(2023)
Innovative Practice of Protection Private Communication Network in Suzhou Electric Power Grid
Figures & Tables(13)
Fig. 1. The schematic diagram of the bearing mode of protection channel in case of two direct OPGW optical cables
Fig. 2. The schematic diagram of the bearing mode of protection channel in case of one direct OPGW optical cable
Fig. 3. The schematic diagram of the bearing mode of protection channel in case of non-direct optical cable
Fig. 5. The picture of the transmission equipment and interface board
Fig. 6. The networking mode of 220 kV protection private communication network
Fig. 7. The schematic diagram of protection channel scheme in case of two direct optical cables
Fig. 8. The schematic diagram of protection channel scheme in case of one direct OPGW optical cable
Fig. 9. The schematic diagram of protection channel scheme in case of no direct OPGW optical cable
Table 1. The key performance indicators of customized 2 Mbit/s optical interface board
View tableView in ArticleTable 1. The key performance indicators of customized 2 Mbit/s optical interface board
关键性能 指标 单板光接口数量/个 ≥8 单向时延/ms ≤10 通道误码率 ≤10－8 TPS倒换时间/ms ≤50 频率准确度(容差)/10－6 ≥50
Table 2. The equipment load statistics of a 220 kV station
View tableView in ArticleTable 2. The equipment load statistics of a 220 kV station
设备类型 数量/台 单套设备额定负载电流/A 总负载电流/A 10 Gbit/s SDH设备 2 15 30 保护SDH设备 1 10 10 IAD设备 3 2 6 配网OLT设备 1 15 15 总负载电流/A 61
Table 3. The protection service bearing mode comparison
View tableView in ArticleTable 3. The protection service bearing mode comparison
承载模式 (1) (2) (3) 应用场景 站点间有两条直达OPGW光缆 站点间有1条直达OPGW光缆 站点间无直达OPGW光缆 可靠性 满足“3路由”要求，可靠性高 满足“双路由”要求，可靠性中 满足“双路由”要求，但均为传输复用通道，可靠性低 建设成本 高 较高 较低 运维便利性 路由方式安排复杂 光缆承载 非本线业务 情况加重 路由方式安排较为复杂 路由方式安排较易
Table 4. The relay protection transmission network program comparison
View tableView in ArticleTable 4. The relay protection transmission network program comparison
保护专用通信网 综合性传输网 网络类型 专用网络，专用设备 与通信网络共用设备 承载业务类型 220 kV保护业务 保护业务及其他生产、管理业务 建设成本 网络覆盖具有220 kV出线的站点，建设成本高 利用原有设备及板卡，建设成本可均摊 技术优势 1、既具备底层光缆稳定可靠、故障率低的特点，又具备2 Mbit/s光接口快速故障定位、业务灵活调整的优势 2、减少设备故障点，节约柜位资源 3、实现保护通道光纤化率100% 4、为实现220 kV线路“3路由”率100%打下基础 1、专用纤芯＋复用通道承载保护业务，业务稳定性高且调整灵活 2、实现保护通道光纤化率100% 运维便利性 1、可通过传输网管监控保护通道 2、发生故障时可快速调整保护业务 3、专网专用，网络拓扑稳定，运行方式清晰 1、可通过传输网管监控保护通道 2、发生故障时可快速调整保护业务 3、共用网络，调整网络拓扑时影响多条保护业务，过渡方案复杂
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Jian LAN, Haiyang WU, Xiangdong CHEN, Shaoqing ZHOU, Yabo HOU. Innovative Practice of Protection Private Communication Network in Suzhou Electric Power Grid[J]. Study On Optical Communications, 2023, 49(6): 51
Paper Information
Category: Research Articles
Received: Oct. 18, 2022
Accepted: --
Published Online: Jan. 4, 2024
The Author Email: ZHOU Shaoqing (zhousq7@sina.com)
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