Indian Electric and Power Control
Inc
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Energy Audits What is Energy Audit? Reduce demand before considering supply side measures Energy audit is just like financial audit. It helps us to understand - · Pattern of energy consumption. · Mode of energy consumption. · Extent of energy consumption so that we can identify the possible areas of conservation. The main stages of energy audit are - · Analysis, which starts from recognition of problem. · Action, i.e., apply the available solution. · Monitoring, i.e. monitor the effect of action; compare the actual data with planned data. Do you know · Energy Audits can identify and save up to 15% to 30 % on your energy bill. · Recovery of waste heat in furnaces can result in up to 20% in oil savings. · 20-25% energy savings are realized by resizing and modification of pumps and blowers. · An un insulated steam pipe of 150 mm diameter and 100 meter in length, carrying steam at 8 Kg/ Sq. cm. pressure, results in wastage of over 25 Kls of furnace oil per annum. · An air leakage from 1/2 inch diameter hole in a compressed air line working at a pressure of 7Kg/Sq. cm, drains almost Rs. 2500 per day · A 5 degree C in evaporator temperature in an air conditioning unit increases the specific power consumption by 15%. · Steel fans FRP fans with aerofoil design; savings is 15-40% . Energy saving tips for industrial consumers · Lubricate motors and motor drives regularly to reduce losses. · Motor should be kept clean for proper cooling. · Motor should be as close to the load as possible. · Use high efficiency motors. · To reduce loss due to `slip' tighten belt and pulley. · Avoid use of over - sized motors. · Replace worn-out bearing immediately and ensure timely repair. · Make greater use of day light. · Use shunt capacitors across motor terminals to reduce KVA charges and also to avoid damage to the motors. · Adopt energy conservation as a culture. |
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