Smart operation of air-conditioning (A/C) and lighting systems for national load management
by G.P. Maheshwari, F. Al-Ragom, D. Al-Nakib, H. Al-Taqi, A. Meerza
International Journal of Energy Technology and Policy (IJETP), Vol. 7, No. 1, 2009

Abstract: In the countries of Arabian Peninsula, demand for electric power, primarily controlled by the air-conditioning (A/C) and generally peaking at 15:00 h, is currently growing well over 5% annually. Adaptations of smart operation of A/C and lighting systems in government and institutional buildings that commonly function between 07:00 h and 14:00 h has been evaluated as a technique for national load management in this paper. Time-of-day control for lighting and A/C systems in line with the building occupancy and pre-closing treatment for the A/C system were implemented in a major government building in Kuwait. Reduction of well over 38% in the peak power demand of 5,250 kW was achieved after 14:00 h, the official closing hour for the building. Also, the pre-closing treatment effectively achieved a reduction of over 5% after 13:00 h. Implementation of these measures in many similar buildings in Kuwait can reduce the national peak power demand by 4%, thereby reducing the need of new power plants by nearly 400 MW; besides achieving considerable reduction in electricity consumption. More importantly, the major savings in electric power and energy can be realised without any expenditure or compromise in comfort quality.

Online publication date: Sat, 14-Feb-2009

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