电力系统自动化
電力繫統自動化
전력계통자동화
AUTOMATION OF ELECTRIC POWER SYSTEMS
2015年
13期
101-108
,共8页
连伟华%陈新南%洪丹轲%赵晗褀%范俊成%胡筏钧
連偉華%陳新南%洪丹軻%趙晗褀%範俊成%鬍筏鈞
련위화%진신남%홍단가%조함기%범준성%호벌균
多业务传送平台%汇聚型业务%星形%以太环网%电力通信
多業務傳送平檯%彙聚型業務%星形%以太環網%電力通信
다업무전송평태%회취형업무%성형%이태배망%전력통신
multi-service transport platform(MSTP)%convergent services%star%Ethernet-ring%power system communication
研究了多业务传送平台(MSTP)网络汇聚型以太网业务的环形开法(以一个或几个以太环网将各厂站与调度机构串联起来)在电力系统中的应用。通过数学建模计算、采用南方电网主干通信网实际案例印证等手段，对比了环形开法和星形开法(开通从各厂站至调度机构的点对点以太网业务)的链路带宽消耗、中心站以太网端口和汇聚处理能力消耗、业务可靠性等指标。结果表明，环形开法在业务可靠性、中心站以太网业务汇聚能力消耗上较星形开法有明显优势；当每站的业务带宽需求相对2048 kbit/s较小时，环形开法在链路带宽消耗、中心站以太网端口数量消耗上较星形开法也有明显优势；仅在每站的业务带宽需求大于2048 kbit/s 时，环形开法在链路带宽消耗、中心站以太网端口数量消耗上的优势不明显或没有优势。最后，根据计算结果，提出了应用环形开法的几点建议。
研究瞭多業務傳送平檯(MSTP)網絡彙聚型以太網業務的環形開法(以一箇或幾箇以太環網將各廠站與調度機構串聯起來)在電力繫統中的應用。通過數學建模計算、採用南方電網主榦通信網實際案例印證等手段，對比瞭環形開法和星形開法(開通從各廠站至調度機構的點對點以太網業務)的鏈路帶寬消耗、中心站以太網耑口和彙聚處理能力消耗、業務可靠性等指標。結果錶明，環形開法在業務可靠性、中心站以太網業務彙聚能力消耗上較星形開法有明顯優勢；噹每站的業務帶寬需求相對2048 kbit/s較小時，環形開法在鏈路帶寬消耗、中心站以太網耑口數量消耗上較星形開法也有明顯優勢；僅在每站的業務帶寬需求大于2048 kbit/s 時，環形開法在鏈路帶寬消耗、中心站以太網耑口數量消耗上的優勢不明顯或沒有優勢。最後，根據計算結果，提齣瞭應用環形開法的幾點建議。
연구료다업무전송평태(MSTP)망락회취형이태망업무적배형개법(이일개혹궤개이태배망장각엄참여조도궤구천련기래)재전력계통중적응용。통과수학건모계산、채용남방전망주간통신망실제안례인증등수단，대비료배형개법화성형개법(개통종각엄참지조도궤구적점대점이태망업무)적련로대관소모、중심참이태망단구화회취처리능력소모、업무가고성등지표。결과표명，배형개법재업무가고성、중심참이태망업무회취능력소모상교성형개법유명현우세；당매참적업무대관수구상대2048 kbit/s교소시，배형개법재련로대관소모、중심참이태망단구수량소모상교성형개법야유명현우세；부재매참적업무대관수구대우2048 kbit/s 시，배형개법재련로대관소모、중심참이태망단구수량소모상적우세불명현혹몰유우세。최후，근거계산결과，제출료응용배형개법적궤점건의。
An investigation is made on the application of the ring-arrangement (using single Ethernet ring or multiple Ethernet rings to connect transformer substations or electric power plants with the dispatching center)in convergent Ethernet services of multi-service transport platform (MSTP) network in a power system.Through mathematical modeling and examples of operating backbone communications network of China Southern power grid,this paper compares link bandwidth consumption, Ethernet ports consumption of center node(dispatching center),Ethernet convergence ability consumption of center node,and service reliability between ring-arrangement and star-arrangement(establishing end-to-end Ethernet services from transformer substations or electric power plants to dispatching center).Results show that ring-arrangement has advantages of convergence ability consumption of center node and service reliability,and advantages of link bandwidth consumption and Ethernet ports consumption when bandwidth requirement of each node is relatively small compared to 2 048 kbit/s;but has indistinct,if any, advantages of link bandwidth consumption and Ethernet ports consumption only when bandwidth requirement of each node is no less than 2 048 kbit/s.Finally,according to the results,this paper offers some proposals to properly apply ring-arrangement.
