Training Manual on Energy Efficiency - APO Asian Productivity ...

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Annex S. No. Enconomic Opportunity 1. Soft Starters Energy Savers 2. Variable Speed Drives (Hydraulic/eddy current type) 3. Maximum Demand controller SME energy efficiency opportunities assessment checklist 4. Capacitor and auto PF controls: 5. Electronic timers for machineries and lighting 6. Variable frequency drive (Electronic) 7. Permanent magnet motor for variable speed applications Applicability Applicable/ Not Applicable Applicable/ Not Applicable Applicable/ Not Applicable Applicable/ Not Applicable Applicable/ Not Applicable Applicable/ Not Applicable Applicable/ Not Applicable Estimated Energy Consumption /hr (or any relevant energy indicator) by Existing Equipment - 124 - Hours of Operation /Day Nos. Estimated Potential for Savings (Order of magnitude of savings margin indicated in brackets) (3% of operating kW) (3–5 % of operating kW (Reduction of demand charges) (1% on energy consumption in terms of distribution loss reduction) (Direct savings -depends on the excess hours of operation above prescribed time of operation) (5–15% of operating kW (10–15% on average operating kW) (Continued on next page)
( ... Continued) 8. 9. 10. 11. 12. 13. 14. 15. 16. Lighting energy savers (voltage controller) Efficient lamps (T5, CFL, métal halide, HPSV) Transparent roofing sheets to reduce lighting load Energy-efficient water pumps FRP blades for cooling tower fans Efficient spray nozzles in cooling towers Compressed air ON/OFF controller Compressed air generation pressure reduction Compressed air leakage reduction Applicable/ Not Applicable Applicable/ Not Applicable Applicable/ Not Applicable Applicable/ Not Applicable Applicable/ Not Applicable Applicable/ Not Applicable Applicable/ Not Applicable Applicable/ Not Applicable Applicable/ Not Applicable - 125 - Annex (15–20% on operating lighting kW) (30–50% of existing lighting kW) (Avoids at least 25% of existing Shop Floor Day Lighting) (Improvement in existing efficiency up to 75%) (Being small fans reduction of 5-7% on existing fan kW drawl) (Improves spray in mist form and completely eliminates need for CT-ID fan) (3–5% Savings in overall existing kWh consumption) (8% reduction in motor input kW for every 1 kg/ cm2 reduction in discharge pressure) (Direct saving- Leakage based on Trial (or estimated) varies between 10–40%) (Continued on next page)
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The opinions expressed in this publ
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2.5 Boiler water treatment 14 2.6 E
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7. ENERGY EFFICIENCY IN PUMPS 64 7.
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LIST OF TABLES 1-1 Gross calorific
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6-1 Induction motor 56 6-2 Boosting
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FOREWORD With the rising costs of e
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