Abstract
The electricity consumption in commercial places like universities has tremendously increased recently. Modern and advanced energy efficient appliances are highly needed to substitute the conventional ones. Energy saving is of great important instead of its wastage, as utilizing the energy efficiently reduces the cost of energy. Energy consumption varies for commercial building due to several factors such as electrical appliance usage, electrical appliance type, management, etc. Due to the advancement in technology, there are new emergence appliances that are of high efficiency and have less energy consumption. A case study is conducted on selected five tutorial rooms, level 4 buildings in the Faculty of Electrical Engineering 19 A, Universiti Teknologi Malaysia. The paper proposes new emergence equipments with high efficiency and less power consumption to replace the existing ones. A survey is conducted on the number of electrical appliances used for each of the tutorial rooms, time table for each tutorial room and the Tenaga Nasional Berhad pricing and tariff are taken into consideration in the analysis of the energy consumption and the cost of energy. This paper aims at reducing the amount of energy consumption by replacing the existing electrical equipments with high efficient electrical equipments; it also tends to reduce the cost of energy paid to the utility. By observing the results, it shows that the proposed efficient electrical equipments are more efficient, less power consumption and less cost compared to the existing electrical equipments.
Highlights
The per capital electricity consumption of the developing countries has been considerably increased due to the increase in population and high demand for energy
An increase in energy consumption has a great implication on the environment and global warming, the policy to use the energy efficiency should be taken into account [2]
An efficient Management of Electrical energy Regulatory was introduced on 15 December, 2008 for the purpose of promoting energy efficiency in Malaysia
Summary
The per capital electricity consumption of the developing countries has been considerably increased due to the increase in population and high demand for energy. Energy growth in Malaysia has been increasing in residential, commercial, industrial and transport [1]. An efficient Management of Electrical energy Regulatory was introduced on 15 December, 2008 for the purpose of promoting energy efficiency in Malaysia. They make it compulsory for large commercial and industrial electrical consumers to manage their equipments so as to develop and implement EEMs to reduce energy losses, cost of energy and enforce efficient utilization of electrical energy [3]. Energy efficiency can be defined as using less energy to produce the same amount of services or useful output, for example, residential sector, commercial sector and industrial sector. Energy efficiency in terms of mathematical expression can be defined as the ratio of the useful output of a process and the energy input into a process, and it is expressed in percentage [4]
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