asia smart grid 2010_application of iec61850 substation
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SUCCESSFUL APPLICATION OFIEC61850 SUBSTATION AND REAL
TIME ASSET-FOCUSED RISK
MANAGEMENT
Truong Huu Thanh
Power Transmission Company No.4, National
Power Transmission, Vietnam Electricity
Tran Anh ThaiApplied Technical Systems Company, Ltd.
Presentation Overview
Introduction to Power Transmission
Company No.4
Substation modernization initiative
First phase
Second phase
Third phase: IEC 61850 @STATION Real-time and Historian Data application
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Electricity of Vietnam (EVN)
State-owned utility established 1995
Generation, transmission, and distribution
for whole country
4 transmission
companies
79,800 km of
distribution lines
Power Transmission Company No.4
OHL
500KV 11 765 Km220KV 57 3,376 Km
Total 68 4,142 Km
GRID STATION
500KV 6 5,476 MVA
220KV 25 9,530 MVA
Total: 31 15,006 MVA
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Growing Electricity Demand
Forecasted growth 17% per annum until 2025
0
100
200
300
400
500
600
1995 2000 2005 2010 2015 2020 2025
Production
Sales
Terawatt-Hours
Measuring P/Q/U/I/Cos
Getting status ON/OFF/OK
Work orders/permit
Technical document
Maintenance log-book
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Measuring P/Q/U/I/Cos
Counting kWh/kVArh/TOU Geting ON/OFF/OK
Work schedule
Customer Information
Maitenance Log-book
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Open system
Multi Protocol compatible Multi data transmission media
Off-the-Shelf
SMART GRID-Conceptual Model
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The overall picture
Highlights of Substation Automation
and Integration in Vietnam
First Phase Substation
Modernization Began in 1999
First computerized 220 kV
substation commissioned
in Ho Chi Minh City
This success resulted
in digitizing more
substations through
2003
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Early Substation Modernization
Digital protection and control using legacyserial and hardwired connections
Problems with incompatibilities between
multiple manufacturers IEDs
Second Phase Standardization
To improve IED compatibility, EVN issued
specification for substation automation based
on UCA2
Based on this, first large-scale substation
automation system (SAS) was implemented
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Second Phase Standardization
To improve IED
compatibility, EVN
issued specification
for substation
automation based on
UCA2 in 2003
The first large-scale
substation automation
system (SAS)commissioned in 2002
220 kV Thu Duc Substation
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220 kV Thu Duc SubstationSAS makes theretrofit works
much easier.
Upgraded
Protection
System
Architecture
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Third Phase IEC 61850
IEC 61850 Part 10 approved Oct. 2005
EVN standardized for future projects
new and retrofit
All 500 kV
backbone
substations
upgraded by
2012
New System Requirements
Dual redundant fiber-optic LAN with no
single point of failure affected SAS operation
IEC 61850 for all substation communication
IEC 60870-5-101/104 for SCADA
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Host 1 Host 2 Engineering(Bridge to SCADA) HIS Server Router to WAN
BackupIED
BackupIED
MainIED
MainIED
BayDevices
BayDevices
MainNIM
BackupNIM
Bay CubicleBay Cubicle
Bay Cubicle
Option 2
Option 1
LAN 1
LAN 2
GPS Clock
Backup
IED
Main
IED
BayDevices
Fiber-OpticEthernet
100 Mbps
Standard System Hardware Architecture
Standard System Hardware Architecture
Target Fully Redundant SAS Architecture
protective relays
certain IEDs connect to the substation bus viaNetwork Interface Modules
Ethernet 100 Mbps
Redundant LAN
Main
Backup
Backup Network InterfaceModule
Main Network InterfaceModule
Backup
IED
Main
IED
Bay Device
Backup
IED
Main
IED
Bay Device
Backup
IED
Main
IED
Bay Device
Backup
IED
Main
IED
Bay Device
I/O modulessynchrophasors revenue meters
Internet
Substation Computer
Host 2
Substation Computer
Host 1
HIS/WEB
Servers
Engineering
WorkstationGPS clock
Gateway /
Router
WAN / Corporate
LAN
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Computerized Control and Monitoring
Local HMI,engineering console,
and historian
Redundant system
servers running on
Windows 2000 or Linux
Old Protect ion Panels Replaced
Microprocessor-based relays perform
protection, control, and monitoring
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Outdoor Cubicles Reduce Cabling
Old Copper CablingThu Duc Substation
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Copper
Cabling
Reduced
@STATION System Overview
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Legacy Device GatewayRugged Computing Platform
SCADA Gateway
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Copyright ATS, EVN, and SEL 2009
Job-done at Sites
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Real-time web access
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Real-Time Database Management
System (RTDMS)
Integrates over 100
IEDs
Handles more than
60,000 data points
Provides customized
applications
Real-Time Database Management
System (RTDMS)
Integrates over 100 IEDs
Handles more than 60,000 data points
Provides customized applications
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Controls Ensure Uninterrupted
Operation
Four-level hierarchical system
Protection and control functions at bay and
substation levels
Traditional hardwiring
Soft interlocking logic
Remote controls from local mimic panel
Controls Ensure Uninterrupted
Operation
Remote supervision and
bay controls from PDA
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Performance and Functional Tests
Factory acceptance testing conducted atATS factory
10 engineers, 3 weeks
System capacity
Communications failure
System successfully passed all
requirements
Performance and Functional Tests
FAT testing conducted atATS factory 10 engineers, 3 weeks Individual tests Functional tests System tests
System successfully
passed all requirements
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Test Results
User Interface Feature Required byEVN
Tested
Display Response Time < 1 s < 1 s
Data Entry Response Time < 1 s < 1 s
Display Update Rate < 2 s < 2 s
Update Completion Rate < 1 s < 1 s
Test Results
User Interface FeatureRequired by
EVNTested
Alarm/Event
Response Time< 1 s < 1 s
Alarm Acknowledge/
Delete Time< 2 s < 2 s
Report and Logbook
Response Time< 0.5 min < 0.5 min
Display Color PrintoutResponse Time
< 0.5 min < 0.5 min
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User Interface Feature Required byEVN
Tested
Console Inhibit Time for
Display Hardcopy< 2 s < 1 s
Analog Data
Collection Rate < 2 s
Status Indication
Collection Rate < 1 s
Failover Time Between
Main 1 and Main 2 0 s
GOOSE Exchange Time < 10 ms < 8 ms
Test Results
Benefits of SAS
Faster system integration with IED
interoperability
Reduction of copper cabling and
hardwiring
GOOSE for peer-to-peer data
exchange
Outdoor cubicles adjacent to feeder or
bay System malfunctions reduced by nearly
50%
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Benefits of SAS
Interoperability between
different IEDs fastersystem integration
Reduction of copper
cabling and hardwiring
GOOSE for peer-to-
peer data exchange
Outdoor cubicles
adjacent to feeder or
bay
System malfunctions
reduced by nearly 50%
Substation LAN Architecture
Facil itates Integrated Systems
Easy expansion
Less complex connections
Multiple communications types
Metering
SCADA
Peer-to-peer
Engineering access
Synchrophasors
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Substation LAN Architecture
Facilitates Integrated Systems Easy expansion
Less complex
connections
Multiple comm types
Metering
SCADA
Peer-to-peer
Engineering access
Synchrophasors
Benefits of Legacy Gateways
Provide common network connection
for all devices
Eliminate dependence on legacy
protocols
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Benefits of Legacy Gateways
Eliminates
dependence on
legacy protocols
Provides commonnetwork connection
for all devices
Copyright ATS, EVN, and SEL 2009
Real time and HIS
Application
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Vietnam Back-bone Transmission Lines
707 MW (1 line)
1440 MW (2 lines)
1080 MW (1 line )
1420 MW (2 lines )
1503 MW (2 circuit)
2005 Black-out in Vietnam
Background Conditions
Longitudinal system
three distinc t electrical areas
South - Center - North
signif icant MW transfer from South
to North on 500 kV line
double circuit South - Center
one circuit Center - North
second circuit due in 2005
Major deficit in the North unusual load level in 2005
28% increase from 2004
severe draught
on May 17, 2005, the Northern Region
hydro reservoirs w ere almost empty
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Simulation calculations for
the Northern area predicted
that the system would
approach instability if morethan 887.44 MW were
transferred from Center to
North across the 500 kV line
Calculations before the May 17
2005 Blackout (cont 'd)
After Fault Analysis 2005 Blackout
(cont'd)
... evaluated thi s new case (882.2 MW transfer from Center to North) as
critically stable (less than 1% stability reserve)
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Improve System Reliabili ty
and Stability
Increase power transmission across existing
infrastructure
Monitor and control voltage and angle
instabilities
Require dynamically calculated maximum
loading conditions in real time
Wide-Area Synchrophasor
Application
New IEDs with synchrophasor measurement
capability
Minimal incremental cost
Fewer CT and VT connections
High reliability and availability
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Monitor ing Principle
Synchrophasor Application
Architecture
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Use MATLAB for Complex Calculations
Desktop Application Provides
Real-Time Transmission Capacity
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Web Application for Remote Access
Visualized system loading
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Transformer and OHL on-line
Ampacity
Detailed Display of 220 kV Transformer Dynamic Loading Capacity User Interface
Questions?
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