电子科技大学:《电力系统运行与控制 Power System Operation and Control》课程教学资源(课件讲稿)Lecture 07 Power System Wide-area Measurement and Control

Lecture 7 power system wide area measurement and control Dr.Qi Huang School of Energy Science and Engineering. UESTC
Lecture 7 power system wide area measurement and control Dr. Qi Huang School of Energy Science and Engineering, UESTC

Contents Introduction Phasor Measurement Unit(PMU) ■Control based on WAMS state of arts and development trend 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 Contents Introduction Phasor Measurement Unit (PMU) Control based on WAMS state of arts and development trend

introduction -The demands of modern large scale interconnected power system for the continuous reliable capability processing global real-time information are increasing with each passing day. Under large-scale interconnected condition,power system wide-area measurement and control is the key to ensure the security of power network -China concerns this issue because super large scale power system is formed. 电力拿镜广城洲量写控制四川省童点实验蜜 家电
电力系统广域测量与控制四川省重点实验室 introduction The demands of modern large scale interconnected power system for the continuous reliable capability processing global real-time information are increasing with each passing day. Under large-scale interconnected condition, power system wide-area measurement and control is the key to ensure the security of power network China concerns this issue because super large scale power system is formed

introduction-basic concept of power system wide area measurement system (WAMS Time Svnchronization GPS Signal 是 Dedicated Communication Channel Control Center 一一Power system inflastructure Communication/network Local Sensor Network (LSN) infrastructure ● 家电
电力系统广域测量与控制四川省重点实验室 introduction-basic concept of power system wide area measurement system (WAMS)

fundamentals ■ In power system,the bus voltage is the state variables. The steady-state analysis programs such as load-flow,state- estimation and optimal power flow use the positive sequence bus voltage as the state variable,and the network model uses the positive sequence representation of the power system. Therefore,Positive sequence measurements provide the most direct access to the state of the power system at any given instant. Positive-sequence voltages of a network constitute the state vector of a power system,and it is of fundamental importance in all of power system analysis. 电力镜广城测量与控制四川省重点实验蜜 家电网
电力系统广域测量与控制四川省重点实验室 fundamentals In power system, the bus voltage is the state variables. The steady-state analysis programs such as load-flow, stateestimation and optimal power flow use the positive sequence bus voltage as the state variable, and the network model uses the positive sequence representation of the power system. Therefore, Positive sequence measurements provide the most direct access to the state of the power system at any given instant. Positive-sequence voltages of a network constitute the state vector of a power system, and it is of fundamental importance in all of power system analysis

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
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