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Presented by
Alarm System for Structural Monitoring of the ITAIPU Dam Employing the tools of the PI System
Airton Bordin Junior
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Agenda
• About us
• Business Challenge
• PI System in ITAIPU
• The Solution
• PI System Tools
• Next Steps
• Results
• Conclusion
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About us
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ITAIPU Binacional
• Largest generator of electric energy in the world
• Installed capacity 14,000 MWs – 20 generator units of 700 MW each
• 2013 Record: 98,630,035 megawatts-hour
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ITAIPU Binacional
75.2% of the Paraguayan consumption
16.8% of the Brazilian consumption
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PTI – ITAIPU Technological Park
• Since 2003
• 420 direct jobs
• Innovator space that congregates projects and programmes addressing – Social insertion
– Jobs and income creation
– Distribution of knowledge
– Transfer of technology
• Incubated firms
• 3 universities
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PTI - ITAIPU Technological Park
7
Total Area: 75,54 hectares | Constructed Area: 49,521 m²
1979 2003 2013
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ITAIPU/PTI and OSISoft
• ITAIPU utilizes PI System since
2002
• Specification and acquisition of
EA – 2015 to 2019
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R&D CEASB
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CEASB
• Centre of Advanced Studies on Dam Safety
• Programme of the ITAIPU Technological Park
• Develops research and development projects in the area of dam safety
• 9 research areas
• Database: projects utilising PI System – 6 graduation fellowships
– 2 volunteers
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CEASB
11
Áreas de pesquisa
Database
Numerical Simulation
3D
Geotechnology
Increased reality Instrumentation
Concrete
Register of Dam
Virtual environments
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CEASB
12
Áreas de pesquisa
Database
Numerical Simulation
3D
Geotechnology
Increased reality Instrumentation
Concrete
Register of Dam
Virtual environments
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Business
Challenge
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Business Challenge
• Monitor a dam 8km long, 185m
high with 2,700 instruments in real
time;
• Identify possible abnormal
behaviour of the structure;
• Automatically correlate between
the instrumentation;
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Business Challenge
• Identify possible faults in the
structure;
• Alert those responsible for the
dam at the exact moment an
event occurs;
• Assist those responsible in
reaching a decision.
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1 – Reservoir
2 – Diversion Channel
3 – Downstream
Q – Right Earthfill Dam
A – Spillway
D – Left Lateral Dam
E – Right Wing Dam
F – Main Dam
H – Diversion Structure
I – Left Connecting Dam
K – Rockfill Dam
L – Left Earthfill Dam
U – Power House
16
ITAIPU power plant civil structure
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PI System on
ITAIPU
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PI System in ITAIPU
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PI System on ITAIPU
• 70000 tags that store data related to diverse
aspects of the dam
• 7000 tags that store instrumentation data of the
civil structure of the ITAIPU power plant
• There are 19 types of instruments that monitor
the civil structure
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Itaipu Instrumentation
20
Piezometer
Piezometer
Drain
Extensometer
Extensometer
base
Piezometer
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INSTRUMENTS TYPE
FOUNDATION CONCRECT GEODETIC
PIE
ZÔ
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INS
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DR
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DID
OR
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ÔM
ET
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P/ A
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GÂ
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PÊ
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DIN
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PA
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INO
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DR
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TO
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L D
E I
NS
TR
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S
661 136 22 51 9 879 4346 261 58 66 16 645 63 6 99 139 399 949 20 141 2792
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Instruments
• Some dam blocks are called key-blocks
• Key-blocks are totally instrumented
• Defined by ITAIPU Binational Engineers
according the block technical characteristics
– High
– Position
– Type of foundation
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Key block
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The solution: Alarm System for Structural Monitoring of the ITAIPU Dam Employing the tools of the PI System
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The solution
• Analyses the data from the readings;
• Executes processing of the information;
• Applies the Fault Tree technique;
• Generates an alert on the structural situation.
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Architecture of the solution
26
Alarm
Orange
Green
Yellow
Red
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The Solution
• OSISoft products in use – PI Server 2012
– PI System Management Tools
– PI Asset Framework
– PI Advanced Computing Engine
– PI Notifications
– PI SDK (PI AF SDK)
– PI Performance Equation
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PI Asset
Framework
(PI AF)
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PI Asset Framework
• Implementation of the analyses of the instrument
readings is done in the PI Asset Framework, using
the fault tree method
• Fault tree
– 60’s, Bell Laboratories, created to evaluate the safety
performance of a launch control method
– Systematic analysis of possible faults and consequences
– Corrective or preventive methods
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Fault Tree– PI AF
• Due to its hierarchical characteristic, we utilize the
PI AF to represent the fault tree structure of the
blocks
• It presents the present situation of the dam structure
• Levels of alarm conform to the degree of emergency
• Alarms defined by colours
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Fault Tree – Basic Example
31
Risk of foundation displacement
Disturbing increase in foundation strain
Extensometer 1
Extensometer 2
Piezometer 1
Disturbing increase in vertical strain
Piezometer X
Piezometer Y
AND
OR
AND
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Fault Tree – PI AF
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Notification – Alarm Level
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PI Notifications
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PI Notifications
• Define the FT elements that are to be analysed by the Notification (target)
• Define the conditions of conformity with the alarm type attribute (conditions)
• Configure those responsible who will receive the alert messages (subscriptions)
• Analysis of the target element executed every 30 minutes
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PI Notifications
36
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Contacts
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Message
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Message
• The specialist user receives an email with information on the alarm to assist in taking a decision
• He also receives a link to access the module of visualization of the system for further information on the fault – Complete route of the fault
– Historical graph of the tags related to the fault
– Localization of the instrument in the dam
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Email message example
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WEB GUI – Javascript + PI AF SDK
41
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Details of the alarm
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Block Image
43
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Responsive design - Mobile
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Demo
45
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Next steps
47
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Next steps
• Oracle Database Integration (manual readings)
• Statistical analysis using PI ACE
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Results
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Results
• System executes the structural monitoring of the ITAIPU Binational dam
• Automatic alerts are sent to the specialists responsible for the auscultation area
• Response time to verify a possible problem is immediate
• The system permits detailed analysis of the anomaly and assists the specialist in reaching a decision
• Guarantees greater safety and more efficient monitoring of instrumentation of civil structure of the dam
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Conclusion
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• Assists structural monitoring of
the dam
• Facilitates reaching decisions
• Automatic alerts to those
responsible
• Greater safety…
Solution Results and Benefits
Alarm System for Structural Monitoring of the ITAIPU Dam Employing the tools of the PI System
Business Challenge
• Monitoring the ITAIPU dam
• Generation of alarms
• Sending messages to those
responsible
52
“The implementation turned our system more proactive instead of reactive”
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Credits
• ITAIPU Technological Park Staff
• ITAIPU Binational Staff
• Students
• Volunteers
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Contacts:
Airton Bordin Junior
54
Adriano Coutinho da Silva [email protected]
System Analyst
ITAIPU Technological Park
System Analyst
ITAIPU Technological Park
Civil Engineer
ITAIPU Binacional
System Analyst
ITAIPU Binacional
Dimilson Pinto Coelho
Teresinha Arnauts Hachisuca
Alexandra da Silva [email protected]
CEASB Manager
ITAIPU Technological Park
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Questions
Please wait for
the microphone
before asking
your questions
State your
name &
company
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