scada abb

Electric Utilities

SCADA/EMS/DMS

© ABB Utilities - 1 12/13/2002

Networks & Markets

Lars-Ola Osterlund

© ABB Utilities , 2001 - 2 -

Some SCADA Terms T

SCADA

= Supervisory Control And Data Acquisition

T

EMS

= Energy Management Systems

T

DMS

= Distribution Management System

T

RTU

= Remote Terminal Unit

Power System National SCADA/EMS

Regional SCADA/EMS Substation

Generation

G

Substation

G

G RTU

G

SCADA RTU

Transmission

© ABB Utilities , 2001 - 3 -

SCADA

Distribution

RTU

RTU

Substation

Substation

Regional SCADA/EMS

SCADA/EMS/DMS Architecture

HMI

Measurements RTU

Controls

Process Communication Unit

SCADA

EMS

DMS

Measurements

© ABB Utilities , 2001 - 4 -

Approximate sizes Data points

Sub stations

High load events per second

SCADA

100 – 1 000 000

1 – 10 000

10 – 10 000

EMS

10 000 – 100 000

100 – 10 000

DMS

10 000 – 1 000 000

1000 – 100 000

Updated analogs per second 10 – 10 000

© ABB Utilities , 2001 - 5 -

HMI SCADA/EMS Example

HMI DMS Example

© ABB Utilities , 2001 - 6 -

© ABB Utilities , 2001 - 7 -

SCADA Example Applications T

Data acquisition

T

Alarms and event processing

T

Outage scheduling

T

Work order management

T

Switch order

T

...

EMS Example Applications T

© ABB Utilities , 2001 - 8 -

T

Network related T

Network Topology Processing

T

Dynamic Network Coloring

T

State Estimation

T

Dispatchers Power Flow

T

Optimal Power Flow

T

Contingency analysis

T

Voltage stability

T

Dynamic stability

Production related T

Load Frequency Control

T

Economic dispatch

T

Unit commitment

T

Load Forecast

© ABB Utilities , 2001 - 9 -

DMS Example Applications T

Load calibration

T

Distribution power flow

T

Network Coloring

T

Outage scheduling

T

Work order management

T

Customer Information Management

T

Asset management

T

...

Utility Enterprise Application Integration Process Interface

GUI Operator Training Simulator

District Heating Applications

Generation Management Power Plants

Energy Management HV Network

Energy Trading

Market Applications

Market Operation

...

Customer Account Management

Meter Reading & Management

...

Middleware Services

© ABB Utilities , 2001 - 10 -

Distribution Management MV/LV Network

Distribution Automation

SCADA & Remote Communication

Utility Data Warehouse

GIS & Asset Management

SCADA/EMS/DMS Integrated With Other IT-systems Import from various old CIS-systems Customer types and annual energy consumption

Import from various old NIS-systems and other sources

CIS/ CRM

Update of equipment usage and fault reports Initiation and coordination of works in the network

ERP/ CMMS

NIS

Import from various old asset registers

© ABB Utilities , 2001 - 11 -

Mutual synchronization of common data

Bulk and incremental export of as built network and load models

SCADA/ EMS/DMS

Import from various old SCADA-systems

Customer data extract Trouble call registrations Outage status information

Disturbance Scenario Customer Substation Automation

Customer complaints Recovery information Real-time information Disturbance reccords Customer Service

Switching orders

Type of disturbance Time to recover No. of customers affected

Customers affected Compensation

Control Center

Work order Work report

Disturbance information Disturbance report

© ABB Utilities , 2001 - 12 -

Fault statistics Spares Retail Sales Reports

Asset Management Reports

Repair and Maintenance Asset records Disturbance report

Accounting

Engineering