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DOs AND DONTs FOR ENERGY CONSERVATION

DOs AND DONTs FOR ENERGY CONSERVATION. S.K. BHUCHAR SE(E), BSNL, AMBALA. LIGHTING AND FANS DOs. USE 36 WATT SLIM TUBELIGHT IN PLACE OF STANDARD 40W FLUOROSCENT LAMP USE 125W HPSP LAMPS IN PLACE OF 250W HPMV AS THEY GIVE SAME LUMENS OUTPUT BUT CONSUME HALF THE ELECTRICITY

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DOs AND DONTs FOR ENERGY CONSERVATION

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  1. DOs AND DONTs FOR ENERGY CONSERVATION S.K. BHUCHAR SE(E), BSNL, AMBALA

  2. LIGHTING AND FANS DOs

  3. USE 36 WATT SLIM TUBELIGHT IN PLACE OF STANDARD 40W FLUOROSCENT LAMP • USE 125W HPSP LAMPS IN PLACE OF 250W HPMV AS THEY GIVE SAME LUMENS OUTPUT BUT CONSUME HALF THE ELECTRICITY • USE CFL (COMPACT FLUOUROSCENT LAMPS) IN PLACE OF INCANDESCENT LAMPS

  4. KEEP ALL LIGHT FITTINGS PROPERLY CLEANED AT ALL TIMES • KEEP THE SURROUNDINGS PAINTED WITH LIGHT COLOR TO GET MAXIMUM OUTPUT FROM LIGHT FITTINGS ( C.O.U. VARIES FROM 0.1 TO 0.9 BASED ON THIS) • REPLACE OBSELETE EQUIPMENT AS SOON AS POSSIBLE

  5. EXHAUST FANS USED TO CONTROL EXCESS HEAT BUILD UP IN STORES, WAREHOUSES ETC. SHOULD BE PLACED ON THERMOSTATIC CONTROL. • AWARENESS CAMPAIGN TO SWITCH OFF UNWANTED LIGHTS/ FANS

  6. LIGHTING AND FANS DONTs

  7. INCANDESCENT LAMPS SHOULD NOT BE USED DUE TO THEIR LESS LIFE (1000 HRS) AND LESS EFFICIENCY. • ALL LAMPS ESP INCANDESCENT AND FLUOROSCENT SHOULD NOT BE USED AFTER THEIR SERVICE LIFE IS OVER BECAUSE THEY • LOOSE 20-30% OF LIGHT O/P • PUT EXTRA STRESS ON BALLASTS

  8. DON’T REPLACE STANDARD FLOUOROSCENT LAMPS WITH CFL • DON’T PROVIDE LIGHT FITTINGS WITHOUT PROPER DESIGN • EXHAUST FANS SHOULD NOT BE RUN CONTINUOUSLY. THIS AFFECTS LIFE OF FAN AND WASTES ENERGY. THEY SHOULD OPERATE WHEN NEEDED

  9. MOTORS PUMPS DOs

  10. MOTORS SHOULD BE OPERATED AT RATED VOLTAGE, BALANCED SUPPLY AND SHOULD HAVE IMPROVED CONTROLS, COOLING AND SHOULD BE REGULARLY MAINTAINED • USE FLAT BELTS FOR TRANSMISSION DRIVES. SAVINGS IN THE RANGE OF • 5-10% CAN BE ACHIEVED IN THE MOTOR INPUT POWER

  11. USE VARIABLE SPEED DRIVES IN VARIABLE TORQUE APPLICATIONS WHERE POWER REQUIREMENT CHANGES AS CUBE OF SPEED E.G. IN LIFTS • WHEN LOAD VARIATIONS ON A MOTOR ARE TO THE EXTENT OF 60% OF FULL LOAD OR LOWER USE • SOLID STATE CONTROLLER • DRINKING WATER PUMPS CAN BE PUT IN AUTO MODE WITH WATER LEVEL INDICATORS

  12. MOTORS PUMPS DONTs

  13. DON’T REPLACE MOTORS OPERATING FOR LESS THAN 2000 HRS/ANNUM BY • ENERGY EFFICIENT MOTORS • DON’T RUN INDUCTION MOTORS WITHOUT POWER FACTOR IMPROVEMENT CAPACITORS. MAXIMUM BENEFIT IS ACHIEVED IF CAPACITORS ARE INSTALLED AT THE MOTOR TERMINALS

  14. DON’T OPERATE MOTORS AT LOADS LESSER THAN 60% OF RATED LOAD AS THIS WILL RESULT IN REDUCTION OF EFFICIENCY AND POWER FACTOR • DON’T USE OVER-RATED MOTORS. USING A 15KW MOTOR INSTEAD OF 11 KW MOTOR CAN CAUSE ANNUAL ENERGY LOSS OF RS 14000/- BASED ON 8400 OPERATING HOURS IN ONE YEAR AND ELECTRICITY COST ON RS. 2.5/KWH

  15. DO NOT REWIND MOTORS. IN MOST OF THE CASES POOR WORKMANSHIP AND POOR REWINDING RESULTS IN EFFICIENCY LOSS

  16. EA SETS DOs

  17. USE MULTIGRADE LUBRICATING OIL INSTEAD OF MONOGRADE. THE EXTENT OF FUEL SAVING ON THIS ACCOUNT IS ABOUT 1.5% • AS A THUMB RULE LUBRICATING OIL CONSUMPTION SHOULD NOT EXCEED ONE PERCENT OF FUEL CONSUMPTION

  18. EA SETS DONTs

  19. DON’T OPERATE DG-SETS AT LOADS LESS THAN 60% OF RATED LOAD AS OVERALL EFFICIENCY REDUCES DRASTICALLY • DON’T FOLLOW THE RECOMMENDATIONS OF THE ENGINE MANUFACTURER BLINDLY REGARDING LUBRICATING OIL CHANGE. (THESE ARE BROAD BASED GUIDELINES BEARING LITTLE CORRELATION WITH ACTUAL STATE • OF OIL USED)

  20. TRANSFORMERS DONTs

  21. DO NOT OPERATE TRANSFORMERS AT VERY LOW/ VERY HIGH LOADS IN ORDER TO GET MAXIMUM EFFICIENCY. HIGHEST EFFICIENCY - 50-65% LOADING • DO NOT OPERATE TRANSFORMERS AT LOW POWER FACTOR AS IT • REDUCES THE EFFICIENCY

  22. AIR CONDITIONING DOs

  23. USE LOW LEAKAGE DAMPERS (RESTRICT LEAKAGE TO 1%) ESP. FOR OUTDOOR AIR TO REDUCE • WASTEFUL LOAD • USE ACVSD (VARIABLE SPEED DRIVE) TO CHANGE CFM FROM AHUs • USE ENERGY SAVERS FOR AIR CONDITIONERS WHICH SAVE 25% OF ENERGY AND PAY BACK IN 1 YEAR

  24. ALWAYS KEEP FILTERS CLEAN. CHOKED FILTERS RESTRICT AIR FLOW AND • WASTE ENERGY • USE ENTHALPY CONTROLLERS WHICH MEASURE DB AND RH IN RA DUCT AND OUTDOORS AND AUTOMATICALLY SELECTS MINIMUM HEAT LOAD AIR SOURCE FOR VENTILATION

  25. AIR CONDITIONING DONTs

  26. DON’T USE STANDARD AIR DAMPERS TO CONTROL THE OUTDOOR AIR (DURING UNOCCUPIED PERIODS) AS THEY ALLOW 5-30% LEAKAGES WHEN CLOSED • DON’T USE MECHANICAL SYSTEMS TO CONTROL FLOW OF AIR FROM AHUs • VAPOUR ABSORPTION SYSTEM OF A/C SHOULD NOT BE USED/ WILL NOT BE COMPETITVE IF ELECTRICITY TO FUEL RATIO IS LESS THAN 4

  27. DO NOT LET THE PERFORMANCE OF HEAT EXCHANGERS DETERIORATE (EVAPORATOR, CONDENSER AND COOLING TOWERS) • DON’T USE MECHANICAL SYSTEMS TO CONTROL FLOW OF AIR FROM AHUs • USE HEAT RECOVERY WHEELS OR HEAT PIPES FOR EXCHANGING HEAT IN APPLICATIONS SUCH AS FRESH AIR INTAKE

  28. GENERAL DOs

  29. KEEP PROPER MAINTENANCE OF ALL EQUIPMENT TO SAVE ENERGY • REPLACE OBSELETE EQUIPMENT AS SOON AS POSSIBLE • DON’T REPLACE ANY EQUIPMENT WITHOUT CASE STUDY AFTER EVALUATING ITS PAYBACK PERIOD

  30. TEST ALL ELECTRO-MECHANICAL SYSTEMS AT LEAST ONCE IN A YEAR TO FIND OUT THEIR ACTUAL CAPACITY AND EFFICIENCY • ELECTRICAL BILLS TO BE CHECKED FOR PF, CONTRACT DEMAND OF ANY OTHER PENALTY

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