Smart Grid Dispatching Support System Zhai Mingyu NARI Tech. & Dev. Co, Ltd. 2011.05.25 1
1 Overview 2 Real-time Monitoring & Pre-Alarm 3 Dispatching Schedule & Security Checking 4 Power System Visualization 2
Functional Structure EMS WAMS DSA TMR OSCH PIM HYA OMS integreted Realtime Schedule Sec. Chk OMS WF LM supported. platform More than 10 independent system 3
Achievements 3 National Control Centers: China Southern Power Grid Sudanese Electricity Transmission Co.Ltd. National Grid Corporation of The Philippines 3 Regional Control Centers: Northwest China Power Grid East China Power Grid North China 16 Provincial Control Centers: GuangDong GuangXi HaiNan GuiZhou Chongqi SiChuan JiangXi ShanXi Shanghai JiangSu ZheJiang AnHui Shandong NingXia HuBei JiLin 4
Project Example 江苏省调调度自动化系统 ( E M S ) 结构示意图 双屏调度员工作站 打印机 模拟屏 大屏幕控制器 调度员培训仿真子系统 DTS 服务器 DTS 工作站 PAS 服务器 SCADA/AGC 数据库镜像 历史数据服务器 II 区交换机 ( 已有 ) 网关工作站 调度自动化系统 磁盘阵列 1 1 1 1 主交换机 物理隔离 WEB 服务器 数据采集服务器 GPS 报表编制子系统 (PC) 防火墙 III 区交换机 ( 已有 ) 外网路由器 数据采集装置 系统管理 开发工作站 SGEPRI. 外网 All rights RMIS/ reserved.@2010 电量实时数据采集子系统 管理与开发子系统 5
1 Overview 2 Real-time Monitoring & Pre-Alarm 3 Dispatching Schedule & Security Checking 4 Power System Visualization 6
Real-time Monitoring & Pre-Alarm (SCADA) Pri Equs Mon Wea Inf Mon Gen Env Mon 2nd Equs Mon 7
Real-time Monitoring & Pre-Alarm ( Integrated Intelligent Alarm ) 8
Real-time Monitoring & Pre-Alarm (AGC) Multi-level hierarchical and coordinated control Advanced AGC control strategy adaptive to CPS standard Multiple unit control mode and flexible control strategy for a hydro-thermal unit group Online rates adjustment and adjustment accurate statistics 9
Real-time Monitoring & Pre-Alarm (Network Analysis) 10
Real-time Monitoring & Pre-Alarm (DTS) Dispatcher SCADA Trainee Trainee Console SCADA/AGC Simulation EMS Instructor Console Simulator Incorporate: Database display Instructor Scenario making, command issuing, result evaluating Steady-State &Transientstate Simulation 11 11
Real-time Monitoring & Pre-Alarm (DTS) 12 12
Real-time Monitoring & Pre-Alarm (WAMS) PMU substation pulse sync signal GPS/BEIDOU WAMS main station B A C IEEE1344 PC37.118 IEEE1344 PC37.118 W1 W2 D Power dispatching network W3 E 25/50/100 frames per second IEEE1344 PC37.118 64K or 2M G703 proprietary channel Wn 13
1 Overview 2 Real-time Monitoring & Pre-Alarm 3 Dispatching Schedule & Security Checking 4 Power System Visualization 14
Dispatching Schedule & Security Checking Production Costing (PC) Load Forecasting (LF) Interchange Transactions and Scheduling (ITS) Reserve Monitoring (RM) Economic Dispatch (ED) Dispatching Schedule Outage Scheduling (OS) Unit Commitment (UC) Ultra Shortterm Load Forecast (USLF) Hydro Thermal Optimization (HTO) 15 15
Dispatching Schedule & Security Checking (Analysis Process) System & Bus Load Forecast SCUC SCED Power Grid Model Unit Economic Model Anticipated Fault Set Security Constraint Set Ancillary Service Equipment Maintenance Tie-Line Plan Additional Network Constraints Power schedule Security Checking N Y 2004-12-14 Pass? End 16
Dispatching Schedule & Security Checking (Multi-period Schedule Collaboration) Monthly Schedule Day-Ahead Schedule Intra-day Schedule Real-time Schedule Dispatching Schedule AGC Schedule Objectives 17
Dispatching Schedule & Security Checking (SCUC + SCED) Security Constraint Unit Commitment, SCUC -- Joint Optimization (On/Off Status + Output Allocation) Security Constraint Economic Dispatch, SCED -- Full Time Period Dynamic Economic Dispatch Security Checking: -- Full Time Period Constraints of Flow line and Cut-set including Base State & N-1 18
Dispatching Schedule & Security Checking (Load Forecast) Space System load Bus load Multi-point Pattern Trend Extrapolation Time-Series Algorithm Artificial Neural Network (ANN) Time Super Short-term: 5-60min ahead Short-term: 1-7days Middle-term: 1-12months Long-term:1-10years 19
1 Overview 2 Real-time Monitoring & Pre-Alarm 3 Dispatching Schedule & Security Checking 4 Power System Visualization 20
Power System Visualization 21
Power System Visualization 22
Power System Visualization 23
Power System Visualization Security Analysis Security Constrained Dispatch Network Sensitivity Short-Circuit Current 24
Power System Visualization Typhoon Lightening 25
Thank you! 26