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Year : 2011  |  Volume : 1  |  Issue : 2  |  Page : 113-119

Electrical Energy Auditing and Harmonic Analysis of Industrial Units: A Case Study

1 Department of Electrical Engineering, Baddi University, Himachal Pradesh, India
2 Department of Electrical Engineering, MM University, Haryana, India

Correspondence Address:
Pankaj Oberoi
Department of Electrical Engineering, Baddi University, Himachal Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0976-8580.86645

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In any industry, the three top operating expenses are often found to be on energy, labor and materials. If one were to find out the potential cost savings in each of the components, energy would invariably emerge at the top, and thus energy management function constitutes a strategic area for cost reduction. This paper discusses the common aspects of electrical energy management in small- and medium-sized industries. It contains the findings and the analysis of the results obtained from the electrical energy audit program employed in an industrial unit, Isolloyds Engineering Technologies Ltd. (Baddi, Himachal Pradesh). The electrical energy audit was carried out under four major heads: (i) lighting audit, (ii) Heating Ventilation Air Conditioning (HVAC) audit, (iii) power load audit (motors, melter, etc.), and (iv) harmonic analysis. Readings were taken under these heads and analyzed to find the scope of energy conservation opportunities in the selected test case industrial unit.

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