Emicool in Motor City, Dubai (2021)

Power Quality Analysis of chillers and pump units

Efficiency under SCADA Network

Key findings:

  • VFD’s, Chillers T/P, Cooling tower pumps and fans, are controlled manually (not PLC-controlled)
  • Overall system COP ≤ 3.1
  • 30% of temperature sensors defective (inconsistent readings)
  • BTU meters reading only the main supply line
  • Inconsistent BMS connections to the chillers
  • Existing control system (Siemens S7 Industrial PLC) partially out of service
  • Critical Power Quality parameters (low PF, high Harmonics, Failing capacitors)

Recommended Improvement Workplan

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