Smart Grid Dispatching Support System - 15 EPCC Workshop

1SGEPRI. All rights reserved.@2010

Smart Grid Dispatching Support System

Zhai Mingyu

NARI Tech. & Dev. Co, Ltd.

2011.05.25


1 Overview

2 Real-time Monitoring & Pre-Alarm

3 Dispatching Schedule & Security Checking

4 Power System Visualization


.supported platform

Functional Structure

Re

altim

e

Sc

he

du

le

OM

S

EMS WAMS

DSA TMR

HYA

PIM

LMWF

OSCH

OMS

Se

c. C

hk

inte

gre

ted

More than 10

independent system


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


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

调度自动化系统

PAS服务器

打印机DTS服务器

大屏幕控制器

SCADA/AGC

DTS工作站

模拟屏调度员培训仿真子系统

防火墙

数据采集装置

实时数据采集子系统

GPSWEB服务器

外网

历史数据服务器

磁盘阵列

数据采集

服务器

III区交换机

(已有）

外网路由器

物理隔离

报表编制子系统(PC)

系统管理、开发工作站

管理与开发子系统RMIS/电量

数据库镜像

网关工作站

II区交换机

(已有）

主

交

换

机11

11

Project Example


1 Overview





Real-time Monitoring & Pre-Alarm (SCADA)

2nd

Equs

Mon

Pri

Equs

Mon

Wea Inf Mon

Gen Env Mon


Real-time Monitoring & Pre-Alarm

( Integrated Intelligent Alarm )


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

Real-time Monitoring & Pre-Alarm (AGC)


Real-time Monitoring & Pre-Alarm

(Network Analysis)


Real-time Monitoring & Pre-Alarm (DTS)

Trainee Console

Simulator

SCADA

EMS

Dispatcher Trainee

Instructor Console

SCADA/AGC

Simulation

Scenario making,

command issuing,

result evaluating ……Steady-State

&Transient-

state

Simulation

Incorporate:

Database

display

Instructor


Real-time Monitoring & Pre-Alarm (DTS)


Real-time Monitoring & Pre-Alarm (WAMS)

C

D

B

A

Power dispatching network

W1

W2

W3

PC37.118

IEEE1344PC37.118

IEEE1344

E WnPC37.118

IEEE1344

64K or 2M G703 proprietary channel

25/50/100 frames per second

GPS/BEIDOU WAMS main station PMU substation

pulse sync signal


1 Overview





Dispatching Schedule

Load Forecasting

(LF) Interchange Transactions

and Scheduling

(ITS)

Outage Scheduling

(OS)

Unit Commitment

(UC)

Hydro Thermal

Optimization (HTO)

Ultra Short-term Load Forecast (USLF)

Economic Dispatch

(ED)

Reserve Monitoring

(RM)

Production Costing (PC)

15

Dispatching Schedule & Security Checking


2004-12-14

Po

wer G

rid M

od

el

Un

it Eco

no

mic

Mo

del

An

ticip

ate

d F

au

lt Set

Secu

rity C

on

stra

int S

et

System & Bus Load Forecast

Pass? End

An

cilla

ry S

erv

ice

Security Checking

N Y

Eq

uip

men

t Main

ten

an

ce

Tie

-Lin

e P

lan

SCED

SCUC

Additional Network

Constraints


(Analysis Process)

Power schedule


Dispatching Schedule

Schedule

Objectives

Monthly

Schedule

Day-Ahead

Schedule

Intra-day

Schedule

Real-time

Schedule

AGC


(Multi-period Schedule Collaboration)


• 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


(SCUC + SCED)


• System load

• Bus load

Space

• Super Short-term: 5-60min ahead

• Short-term: 1-7days

• Middle-term: 1-12months

• Long-term:1-10years

Time

Multi-point Pattern Trend Extrapolation

Time-Series Algorithm

Artificial Neural Network (ANN)


(Load Forecast)


1 Overview





Power System Visualization






Short-Circuit Current

Security Analysis Security Constrained Dispatch

Network Sensitivity



LighteningTyphoon



Thank you!

Documents

Smart Grid Dispatching Support System - 15 EPCC Workshop