PI Modeling
Getting value from data
September, 2015
Jeff Parker, PE
Sr. Operations Engineer
Part 1
BENEFITS AND RESULTS
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Custom Displays
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Use AF Model for Class Generation
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Sort, Filter, Analyze in real time using WebAPI + Odata
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Highlight using AF Values and Calculations
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System Monitoring
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Analytics to Monitor System State
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Quick Metrics, Tooltips and Data update Times
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System Monitoring
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Generation Loss Alerts
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System Monitoring
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Status Indicators
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PI Analytics
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Use existing model hierarchy for calculations
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Use templates for replicating calculations
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Maintenance and Data Quality
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Reduce reliance on Excel Spreadsheets
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Small team to maintain PI & AF Model
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1.6MM PI Points, 150k AF Elements
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Reduce/Eliminate Human Error
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PI AF Model matches EMS system accurately
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AF Elements and PI Points Generated from EMS Model
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Computer Analysis
Record Calculation Results (PI Analytics)
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Part 2
DESIGNING THE AF MODEL
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Requirements for the PI AF Model
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Based on EMS hierarchy
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Keep nodes small
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Make use of AF references
Large Network Model
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12k Substations
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16k Lines
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3.5k Transformers
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2.7k Generators
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3k Capacitors and Reactors
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15k Loads
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70k Circuit Breakers
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130k SCADA Measurements
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Creating PI AF Templates
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Build Templates for
each equipment type
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Use PI Tag Creation to
automatically build PI Points
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Creating Elements
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Import EMS and Market Models to SQL Tables
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Create SQL Views for each AF Element Template
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Generate Elements from SQL Views
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Elements Create PI Points
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Using Custom PI System Explorer Plugins
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Macomber Map
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ERCOT/SPP, Use AF and Modeling Database
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Thank You
Jeff Parker, PE
Sr. Operations Engineer
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