Information is Valuable!
What makes electrical load monitoring intelligent?
Benefits to Customers and Service Providers
Total Electric Power for an HVAC Plant
Expanded view
Detection of pump on-off events from centralized electrical load monitor
Aggregated Fan Power
Detection of Fan Power Transitions
Detection of Chiller Cycling - Average Power Obscures Chiller
Detection of Chiller Cycling - High-Speed Data
Detection of Chiller Cycling- Filtered Data Show Chiller
Detection of Faults in HVAC Components
Pressure-Sensor Offset-Fan Power Under Normal Operation
Pressure-Sensor Offset-Fan Power Changes Under Fault
Stuck-Closed Recirculation Damper - Increase in Supply Fan Power
Slipping Fan Belt - Reduced Supply Fan Power
Unstable Supply-Air Pressure Controller - Power Oscillations
Unstable Supply-Air Pressure Controller -Detection by Change in Power Variance
Coil Capacity Fault - Chilled Water Power under Normal Conditions
Coil Capacity Fault - Reduced Pump Power under Flow Restriction
Analysis of Start-up Transients
Equipment to Analyze Start-up Transients
MIT’s Current Activities
Next Steps
Email: diagworkshop@poet.lbl.gov
Home Page: http://poet.lbl.gov/diagworkshop/proceedings/