š Case Study
Pharmaceutical Cleanroom HVAC Load Balancing
Energy spikes during HEPA filter change events causing voltage sags affecting PLC-controlled filling lines
šļø Project Overview
Biologics manufacturing facility in Singapore
šÆ Challenge
Energy spikes during HEPA filter change events causing voltage sags affecting PLC-controlled filling lines
š§ Design Approach
Integrated real-time kW/kVA monitoring into existing DeltaV DCS; added predictive load-shedding logic using 5-second rolling average with IEC 62443-3-3 conduit isolation between HVAC and production zones
š Design Diagram
AI-generated project design illustration
š Key Calculations
Voltage Sag Margin
ĪV = (I_load Ć R_cable) / V_nom
Result: ā4.2%
Below 5% threshold for IEC 61000-4-11 immunity