Hamad International Airport is the international airport of Doha, the capital city of Qatar. It replaced the former Doha International Airport as Qatar’s principal airport.
Hamad International Airport
Client
Hamad International Airport is a leading International Airport in the world welcomes around 30 million passengers per year. The facility receives chilled water supply from 4 main Central Utility Plants named as CUP-1, 2, 3 & 4, with total installed load of 50,000TR
Challenge
Presently the condenser pumps are running with full speed and the VFD is bypassed. Pump is running full load of 100%, designed BKW is 154.4 kW and actual power consumption is 154.87 kW, designed flow rate of pump is 1500m3/hr & actual flow rate is 1817m3/hr. The power consumption & flow rate for the condenser pumps in CUP 2 & 3 is higher compared to design.
Solution
It is recommended to operate VFDs with limiting the maximum speed. This leads to reduced in pump flow and reduces the pump power consumption. By this VFD limiting speed easily 10 kW reduction per pump is envisaged.
Benefits
Annual Electrical Energy Savings : 262,800 kWh/year
Annual Cost Savings : 57,816 QAR/year
CO2 emission Reduction :130 tons/year
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