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Energy Savings for Various Residential Appliances and Distribution Networks in a Malaysian Scenario

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  • Mithila Seva Bala Sundaram

    (UM Power Energy Dedicated Advanced Centre, University of Malaya, Wilayah Persekutuan Kuala Lumpur 59990, Malaysia)

  • ChiaKwang Tan

    (UM Power Energy Dedicated Advanced Centre, University of Malaya, Wilayah Persekutuan Kuala Lumpur 59990, Malaysia)

  • Jeyraj Selvaraj

    (UM Power Energy Dedicated Advanced Centre, University of Malaya, Wilayah Persekutuan Kuala Lumpur 59990, Malaysia)

  • Ab. Halim Abu Bakar

    (UM Power Energy Dedicated Advanced Centre, University of Malaya, Wilayah Persekutuan Kuala Lumpur 59990, Malaysia)

Abstract

This paper presents a detailed study of the energy savings that can be achieved through residential appliances by implementing conservation voltage reduction (CVR). The computed energy savings are derived from the ZIP coefficients of a load model (static) under varying voltage conditions that represent the power consumed by each appliance tested. Multiple studies have shown energy savings at the substation level but not at the level of a specific residence and appliance; hence, the latter is the focus of this analysis. The appliances are determined based on the type of heating and cooling loads, and the daily duration of use for each appliance, which contributes to the total monthly consumption that is billed for a household are included in this study. Energy savings in Malaysia has been a focus of many current studies, and this study is the first attempt to achieve energy savings through the implementation of CVR. No published work has compared individual appliances that truly benefits from CVR, and this is addressed in this study. The main contribution of this study is that it provides very detailed and measured data that are used to analyze and generate energy savings for very specific residential appliances intended to meet every 1% voltage drop. The load model is developed for the common household appliances in Malaysia, and then a voltage reduction study is applied to the appliances as well as the Malaysian distribution networks. Here, we also provide insight for performing voltage reduction at an electric vehicle (EV) charging station in Malaysia. The results of this study should serve as a foundation for all practicing utilities engineers to address the issue of CVR in Malaysia. The CVR factors for residential, commercial, and industrial networks in Malaysia are also published in this paper.

Suggested Citation

  • Mithila Seva Bala Sundaram & ChiaKwang Tan & Jeyraj Selvaraj & Ab. Halim Abu Bakar, 2023. "Energy Savings for Various Residential Appliances and Distribution Networks in a Malaysian Scenario," Energies, MDPI, vol. 16(13), pages 1-18, June.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:13:p:4902-:d:1177635
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    References listed on IDEAS

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    2. Tan Woan Wen & C Palanichamy, 2018. "Energy and Environmental Sustainability of Malaysian Universities Through Energy Conservation Measures," International Journal of Energy Economics and Policy, Econjournals, vol. 8(6), pages 186-195.
    3. Ramin Nourollahi & Pouya Salyani & Kazem Zare & Behnam Mohammadi-Ivatloo & Zulkurnain Abdul-Malek, 2022. "Peak-Load Management of Distribution Network Using Conservation Voltage Reduction and Dynamic Thermal Rating," Sustainability, MDPI, vol. 14(18), pages 1-17, September.
    4. Kim, Hakpyeong & Choi, Heeju & Kang, Hyuna & An, Jongbaek & Yeom, Seungkeun & Hong, Taehoon, 2021. "A systematic review of the smart energy conservation system: From smart homes to sustainable smart cities," Renewable and Sustainable Energy Reviews, Elsevier, vol. 140(C).
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