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An end-use energy analysis in a Malaysian public hospital

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  • Saidur, R.
  • Hasanuzzaman, M.
  • Yogeswaran, S.
  • Mohammed, H.A.
  • Hossain, M.S.

Abstract

The commercial sector consumes 8–50% of the total energy consumption for a few selected countries around the world. An energy audit was conducted in a Malaysian public hospital to identify energy using equipment and their energy consumption breakdown. Different energy saving measures have been identified and applied for electrical motors used in this hospital. It was estimated that this hospital consumed about 19,311 MW h for the year 2008. It was also estimated that about 212 MW h, 250 MW h and 317 MW h of annual energy can be saved using energy-efficient motors at 50%, 75% and 100% loads, respectively. In addition, use of variable speed drives are expected to save 1735 MW h, 4048 MW h and 6361 MW h of annual energy consumption for 20%, 40% and 60% speed reductions, respectively. It was found that the payback period for using high efficiency motors at different loads is less than a year which is economically very viable. However, the use of variable speed drives was found to be economically viable for larger motors for higher speed reductions. The study also found that a sizeable amount of emissions can be reduced for the different energy savings measures applied for electrical motors.

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  • Saidur, R. & Hasanuzzaman, M. & Yogeswaran, S. & Mohammed, H.A. & Hossain, M.S., 2010. "An end-use energy analysis in a Malaysian public hospital," Energy, Elsevier, vol. 35(12), pages 4780-4785.
  • Handle: RePEc:eee:energy:v:35:y:2010:i:12:p:4780-4785
    DOI: 10.1016/j.energy.2010.09.012
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    17. Sabo, Mahmoud Lurwan & Mariun, Norman & Hizam, Hashim & Mohd Radzi, Mohd Amran & Zakaria, Azmi, 2017. "Spatial matching of large-scale grid-connected photovoltaic power generation with utility demand in Peninsular Malaysia," Applied Energy, Elsevier, vol. 191(C), pages 663-688.
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    19. Wan Mohd Nazi, Wan Iman & Royapoor, Mohammad & Wang, Yaodong & Roskilly, Anthony Paul, 2017. "Office building cooling load reduction using thermal analysis method – A case study," Applied Energy, Elsevier, vol. 185(P2), pages 1574-1584.
    20. Brown, Lawrence H. & Blanchard, Ian E., 2012. "Energy, emissions and emergency medical services: Policy matters," Energy Policy, Elsevier, vol. 46(C), pages 585-593.
    21. Dongmei, Pan & Shiming, Deng & Zhongping, Lin & Ming-yin, Chan, 2013. "Air-conditioning for sleeping environments in tropics and/or sub-tropics – A review," Energy, Elsevier, vol. 51(C), pages 18-26.
    22. Jia Hui Ang & Yusri Yusup & Sheikh Ahmad Zaki & Ali Salehabadi & Mardiana Idayu Ahmad, 2022. "Comprehensive Energy Consumption of Elevator Systems Based on Hybrid Approach of Measurement and Calculation in Low- and High-Rise Buildings of Tropical Climate towards Energy Efficiency," Sustainability, MDPI, vol. 14(8), pages 1-21, April.
    23. Isa, Normazlina Mat & Das, Himadry Shekhar & Tan, Chee Wei & Yatim, A.H.M. & Lau, Kwan Yiew, 2016. "A techno-economic assessment of a combined heat and power photovoltaic/fuel cell/battery energy system in Malaysia hospital," Energy, Elsevier, vol. 112(C), pages 75-90.
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