In the present scenario importance of an energy conservation increased day by day. There are various utilities in industries in practice like Chillers, Cooling Towers, Blowers, Fans, Motors, Furnaces, Pumps and Air Compressors in manufacturing industries plays vial role in energy consumption. Energy savings is possible increasing either the efficiency or replacement by efficient utility. It has been found that among all the utilities, Air Compressors are the least efficient utilities. It has been observed that compressed air system installed in early stage and due to ageing effect as well as lack of maintenance an efficiency of compressor is dropped down. In proposed work, Performance analysis of four air compressors has been carried out using “pump up test” (PUT) and losses by “leakage test” at different locations has been calculated large scale gear manufacturing industry. Considerable solution in terms of savings has been provided by providing priority base run of air compressors. Additional solution with variable frequency drive has also been also proposed. It has been proved that alternation of both mentioned test able to provide 5-15% additional amount of energy savings.
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