Condition monitoring platform for proactive and …...Background & Objective 18/09/2019 4 Specific...
Transcript of Condition monitoring platform for proactive and …...Background & Objective 18/09/2019 4 Specific...
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Andreas Livera1, Marios Theristis1, George Makrides1, Juergen Sutterlueti2 and George E. Georghiou1
1PV Technology Laboratory, University of Cyprus, Nicosia, Cyprus2Gantner Instruments GmbH, Schruns, Austria
Condition monitoring platform for proactive and reactive operation and maintenance (O&M) with enhanced data analytic functionalities
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Outline
• Introduction
• Background & Objective
• Monitoring platform functionalities
• Conclusions
• Future Work
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Introduction
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• Key factor for future PV uptake is to reduce Levelized Cost of Electricity (LCoE)• Increasing performance and reducing operating costs (advanced monitoring)
Condition monitoring platform
Failure detection and classification
Data quality and sanity
System health state
Added Value Services: Performance loss quantification
Degradation rate estimation
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Background & Objective
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Specific Objective: Development of an innovative condition monitoring platform for proactive and reactive O&M with enhanced data analytic functionalities
Advanced baseline condition monitoring solution to ensure operational quality and optimise energy production
Partners: GI and UCYProject: Innovative Performance Monitoring System for Improved Reliability and Optimized Levelized Cost of Electricity IPERMON [Solar-ERA.net project]Budget: €400,000Duration: 36 MonthsWeblink: http://www.pvtechnology.ucy.ac.cy/projects/ipermon/
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Performance monitoring and data analytics
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• Change from Descriptive analytics to Diagnostic/Predictive Analytics
Ad
ded
valu
eComplexity
Intelligent monitoring systems
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Intelligent data analytic features
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Robust performance monitoring Data quality and sanity
Failure detection and classification
Added Values Services: Performance loss quantification
Degradation rate estimation
System health state
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Platform functionalities – Data quality routines (DQRs)
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• Identify missing and erroneous data• Estimate system availability and sensor deviations• Correct data through data imputation techniques (LOCF and linear interpolation)
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Platform functionalities – PV system model prediction
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• Parametric and machine learning simulation models
Highest prediction accuracy - FFNN
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Platform functionalities – Degradation Rate
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• Statistical and comparative techniques for trend extraction and estimation ofthe degradation rate
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Platform functionalities – System Health State
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• Comparative assessment between measured and predicted daily PVperformance
• Classification of the relative error in ranked categories
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• Comparative assessment between measured and predicted measurementsagainst set threshold levels (TL)
• Statistical outlier detection rules
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Platform functionalities – Failure detection
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Platform functionalities – Failure classification
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• Unsupervised procedures (voltage/current/power ratio and fuzzy logic rules)• Supervised procedures (k-NN, SVM, Decision and Regression Tress)• Failure patterns
Bypass diode patternCurrent and voltage indicators
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Online Platform
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Conclusions
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• PV performance measurements and analytical techniques are required to
ensure optimal lifetime performance and to reduce LCoE.
• Performance monitoring platforms consist of the:• Sensor network• Data acquisition (DAQ) device• Visualizations portal – Descriptive analysis
• Required accuracy and complexity depends on the PV system size and user
objectives.
• Future grid modernisation is the driver for advanced performance
architectures.
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Future…
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• Digital Performance Architectures (Digital Twin Concepts)
Inte
rop
erab
ility
IoTPhysical systems
Virtual systemCloud
Added servicesGrid control
Performance analysisForecasting
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Acknowledgement
Stimulating scientific excellence through twinning in the quest for sustainable energy (TwinPV).
This project has received funding from
the European Union’s Horizon 2020
research and innovation programme
under the agreement No. 692031
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Together we do more for PV and Smart Grids
Team
• 3 countries• Over 100
Expert Researchers, Trainers
• One stop shop (cells to modules to Grid)
• Training, Testing, Research
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Thank you for your attention
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More information…Website: www.pvtechnology.ucy.ac.cy
https://www.gi-cloud.io
Dr. Marios Theristis
PV Technology LaboratoryUniversity of Cyprus Email: [email protected]