introduction-basic concept of power system wide area measurement system (WAMS) .GPS: .One track plane per 60°；55°to 金罗斯格洛钠嘶 全球导航系號 放满由科略 ■由3以弄交星田球十灵 制务手足现 equator plane 卫座导航系统 ■业继导，定地，提经 规紫和代规等服务定 0差不超1米 •30 satellites ·Accuracy:lμs ■三24的卫星地味，军号 江用计290身多减 中回北斗 ■汝不技导的期可黄怎 卫星导能系统 or ~100ns 同，老位精建地体 ·Beidou of China 美GPS ■由5师B止代流望夏 全球定位系统 ，280年 .Galileo of 民为全母卫星号不 ■典青在中闲及流山流 Europe 时相女GFE 由2斜程得精卫星申硬】 分 .Glonass of 军民共用于1993年拿 目性世开和指务邦极贝 为美军方在坐绿吃限 相。飞板幕原月酚用 Russia 军作藏，正在Q计 试治而的第二代工作 精度连表米 BBS.51GPSC0M制四川省童点实验室 家电
电力系统广域测量与控制四川省重点实验室 •GPS： •One track plane per 60° ; 55°to equator plane •30 satellites •Accuracy:1S or ～100nS •Beidou of China •Galileo of Europe •Glonass of Russia introduction-basic concept of power system wide area measurement system (WAMS)
广域测量系统(WAMS) State EMS applications Measurement for self-healing grid Input Data: Data Synchronization Wide Area Control N .1-60 Phasors/sec Control Coordination .Operate Point change .Control Range .Linear Control .Control Device Status .On/Off Peace River 长emano : Phasor Transmission Paths Measurement 500kV Lines Units John Day 345kV Lines 23CkV Lines DC Lines Moss Landi San Juan Hoover Diablo Canyend Four Corners Palo 电力拿镜广城测量写按制四川省重点实验室 家电
电力系统广域测量与控制四川省重点实验室 广域测量系统（WAMS）
域测量系统(WAMS)-system architecture Link to Enterprise LAN /WAN Issues: 。Performance 。Reliability Super Office PC using Internet Explorer Data Security PDC Utility Wide Area Network WAN(Intranet /Internet) PDC PDC PDC Control Area 1 Control Area 2 Control Area 3 电力拿镜广城测量马控制四川省重点实验蜜 家电
电力系统广域测量与控制四川省重点实验室 广域测量系统（WAMS）-system architecture
广域测量系统(WAMS)-system architecture One pulse 公 GPS per second Second Of receiver Century Analog Counter Inputs Phase-locked oscillator Modem Anti-aliasing Phasor A/D conv. filters micro- processor 电力拿镜广城洲量写控制四川省重点实验蜜 家电
电力系统广域测量与控制四川省重点实验室 广域测量系统（WAMS）-system architecture
广域测量系统(WAMS)-system architecture Reporting Hierarchy PDC-Phasor Data Concentrator Human Monitoring /EMS 1 sec 1 Phasor/Sec National Operation High-speed Regional Decisions Operation 100 ms-1S time frame 1-15 Phasors/sec PDC Very High-speed Decisions PDC PDC 10-100 ms time frame 20-60 Phasors/ Sec PMU PMU PMU PMU PMU PMU PMU PMU PMU 5 92 GE Consumer Industrial
电力系统广域测量与控制四川省重点实验室 广域测量系统（WAMS）-system architecture