1.1 Optimization on maint program
Transcript of 1.1 Optimization on maint program
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CONDITION MONITORING
ON-LINE AUTOMATICO ANALISYS &DIAGNOSIS
STRUCTURAL INTEGRITY
Laboratorio de Vibraciones y Mecatrnica
Centro Atmico Bariloche
Comisin Nacional de Energa Atmica
Repblica Argentina
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The Vibration & Mechatronics Laboratory inthe Bariloche Atomic Center was created in1984 as a part of the National Atomic EnergyAgency, Argentina. It is also a part of theBalseiro Institute academic & research group.
Our lab has provided solutions to industrialvibrations problems in nuclear and otherpower plants for the past 30 years
The laboratory testing capabilities are wideand varied. Additionally we have activeinteraction with academia, nuclear facilitiesand main industrial clients.
Dr. Eng. Oscar Garca Peyrano
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How does the optimization ofmaintenance works?
Automatic Analysis
& Diagnosis System SCADA
EarlyWarning
Optimal Maintenance
Life Extension
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Machine Engineering
Operation Condition
Modeling Techniques
Experience
Simulation(Normal & Failure
Operation)
Expected Response
Benchmarks Alarm Calibration
Analysis
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Measurments
State Matrix
A11,
11
A12,12
A22,21
A22,22
Reference Matrix
= Pattern Recognition
Multivariable Diagnosis / Multiparameter
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Reactor Argentino N6 (RA-6)
Dynamic Analysisof Reactor Internal
Components
Motor-Pump Set
Grid, Grid Support andFuel
Piping
Decay Tank
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Piping
Core
Decay
Tank
PrimaryCoolant CircuitPump
Reactor Internal Components
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Grid, Grid Support & FuelModal Analisys
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Grid, Grid Support & FuelForced response
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Decay Tank Virtual Machine
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Decay Tank Seismic Response
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Life Extension- Fatigue Analisys
STRESS
DURING
OPERATION
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On-Line Diagnosis & ConditionMonitorig
Control Room
Internet, NuclearEngineering Schools & Testing
Laboratories
Knowledge &ExpertiseExchange
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Atucha II Reactor
(CNAII, PHWR)
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Dynamic Compensation
Emergency Coolant Circuit Pump
1. Dynamic Compensator2. Mesure Point
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Emergency Coolant Circuit PumpDinamic Compensation- Results
With the implementation of the dynamic compensator device, the vibration level[RMS] has been reduced from 24 mm/s to 3.2 mm/s. In this condition the machineworks with an appropriate vibration level according it size and power.
The vibration level reduction has been achieved without modifying the structuralintegrity of the machine
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Auxiliary Systems
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Embalse Reactor
(CNE, CANDU-6)
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Turbine and Electric Generator
Dynamic Analisys
End Winding
Steam Turbine
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End Winding & Stator Bars Set
Forced vibration in the End Winding: 100 and 500 Hz oscillatingforces acting on the piece, simulating the excitation of the endwinding on service.
Areas are observed with stress concentrations.
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End Winding Stress Concentration
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Pressure Tubes
Modal Analysis.
Interaction with garter springs.
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Steam Generators
Heat Sink Coolant Pump
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Heat Sink Coolant Pump
Forced response
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Acknowledgements
Comisin Nacional de Energa Atmica
Reactor RA6
Research & DevelopmentGroup, Centro Atmico Bariloche
Nucleoelctrica Argentina SA
Industrias Metalurgicas Pescarmona SA
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Questions?