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Energy Saving Tips in
Day to Day Life
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Problem!
Power Shortage
Inefficiency leads to pollution
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The Solution
Rational use of energy
Use of renewable energy sources
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Home uses of Energy
For heating For cooling
For lighting
For the operation
of electric devices
For transportation
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Biggest Electricity-Guzzlers
Air conditioners Electric Water Heaters
Incandescent lamp
Refrigerators
Washing Machines
Computers
TVs
Inverters
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Energy Savings in
Lighting & Fans
Use of Natural Lighting
Replacement of incandescent lamps with
CFL
Switch off light when not in use
Use time switch wherever possible
Use electronic choke to reduce power
consumption by 25% Replacement of indication lamps with
LEDs
In ordinary 60 Watt bulb, 70% energy is lost for heating it and
only 30% energy contributes for lighting
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Energy Savings in
Lighting & Fans
Use 36 Watt Tubelight or 28 Watt Tubelight
in place of 40 Watt Tubelight
Use light colours on the walls of the room.
Keep the light and fixtures clean.
Clean and lubricate the fans regularly.
Use electronic regulators for energy saving.
Payback period of CFL assuming its cost as Rs 110/- is 6 months
only. If 1 Crore 60 Watt bulbs are replaced by 15 Watt CFL for usage
of 4 hrs./day, the total energy saved will be 1200 MWh per annum.
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Cost of Light
AN INTEGRATED ENERGY SOLUTION PROVIDER
www.pcra.org
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Energy Balance In Lighting
AN INTEGRATED ENERGY SOLUTION PROVIDER
www.pcra.org
Light is Electromagnetic
radiations.
Maximum Possible LightOutput is 621 lumens/Watt
at 5500 0A, (greenish
yellow).
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I llumination levels - category & applications (IS 3646)
AN INTEGRATED ENERGY SOLUTION PROVIDER
www.pcra.org
Lux Level Illumination Example
< 50 Lux Very low Cellars, oil storage tanks, yards,
conveyors
< 100 Lux Low Stairways, parking, CHP, Compressor
rooms
< 150 Lux Moderated Foundry, pouring, leaving & reading
rooms< 200 Lux High - I m/c work, stamping, sheet metal
< 300 Lux High - II Welding, soldering, fine sanding
< 450 Lux High - III Drawing boards, fine painting
< 700 Lux Very high Sewing, inspection of small objects> 700 Lux Exceptionally high Engraving, precision grinding
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Colour Rendering Index (CRI)
AN INTEGRATED ENERGY SOLUTION PROVIDER
www.pcra.org
Light Source CRI RenderingIncandescent lamps 97 ExcellentFL, full spectrum 7500 94 ExcellentFL, cool white deluxe 87 ExcellentCompact Fluorescent 82 ExcellentFL, Warm White deluxe 73 GoodMH (400 W clear) 65 GoodHPS (250 W deluxe) 65 GoodFl, Cool White 62 GoodFL, Warm White 52 Fair MV (phosphor-coated) 43 Poor
HPS (400 W diffuse coated) 32 PoorMV (clear) 22 Poor Low Pressure Sodium --- Impossible
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Performance Characteristics
AN INTEGRATED ENERGY SOLUTION PROVIDER
www.pcra.org
Switching
Voltage : - life, lumen output, wattage
Effect on switching on Fluorescent lamp life
0 10 20 30
50
100
150
200%Rated Life
Frequency of Switching per 24 hours
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Get Small Get Efficient
AN INTEGRATED ENERGY SOLUTION PROVIDER
www.pcra.org
T-12T- 8
T- 5
FTL Wattage Lumen Efficacy :Lumen / watt
T-12 40 watt 2450 61
T-8 36 watt 3250 90
T-5 28 watt 2900 104
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Energy Savings in Refrigerators
Buy energy efficient refrigerators(Energy Star rating)
Check for the gaskets so that there
is no ingress of heat from outside. Do not over load the refrigerator
Do not leave the refrigerator door
open for a long period.
Use a voltage stabiliser.
Proper servicing from time to time as
per recommendation of manufacturer
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Do not place the refrigerator in kitchen,congested area or direct sunlight.
Do not allow ice to accumulate in the
freezer as its cooling power will reduce.
Defrost regularly. Cool the food before putting in the
refrigerator.
Use Stabiliser with Refrigerators andAir Conditioners and set the voltage to220 Volts
Energy Savings in Refrigerators
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Energy Savings in
Air Conditioners
Clean the filter of Air Conditioners Have your mechanic clean the evaporator
and condenser coils regularly
Get your thermostat cleaned regularly and
replace it if not working Avoid frequent opening of doors &
windows. A door kept open can result in
doubling the power consumption of your
Air Conditioners.
Electricity cost per hour of use of 1.5Ton Air Conditioner is Rs 10/-
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Purchase only ISI marked water heaters. Put-on the water heater only 10-15 min. before
use
Set the thermostat to 50 Deg. C to save power.
Before filling-up the hot water, close the inletwater valve of water heater so that cold water
does not flow into the heater. Also, put-off the
water heater.
Change the heating element every 5-6 years.
Save about 15% - 20% of power used bywater heater by setting thermostat to 50
Deg. C
Energy Savings in
Electric Water Heaters
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Energy Savings in
Washing Machines
Use washing machines at full load as the
consumption of water will be the same
whether you put half a load of clothes or a
full load.
Put-on the washing machine only after the
water and clothes are put into it.
Put OFF the washing machine from the
main switch.
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Energy Savings in Television
Switch ON the TV only while viewing.
Switch OFF the TV from the main switch and not
through remote control.
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Consumption Levels of some
Commonly used Household AppliancesAppliances Capacity Consumption
Instant Geyser 3000 Watt 3 units / hourImmersion Rod 1000 Watt 1 unit / hour
Air Conditioner 1500 2500 Watt 8.5 14.5 units / day
Air Cooler 170 Watt 1.7 units / day
Fan 60 Watt 0.6 unit / day
Refrigerator 200 / 300 / 500 Watt 2 / 3 / 5 unit / day
Electric Kettle 1000 2000 Watt 1 - 2 units / hour
Hot plate 1000 1500 Watt 1 1.5 units / hour
Oven 1000 Watt 1 unit / hour
Toaster 800 Watt 0.8 unit / hour
Iron 750 Watt 0.65 0.75 unit / hour
Incandescent Lamp 100 / 60 / 40 Watt 0.5 / 0.3 / 0.2 unit / dayFluorescent Lamp 40 / 20 Watt 0.28 / 0.15 unit / day
Slim Tube 36 Watt 0.26 unit / day
Compact Fluorescent Lamp 7 / 9 / 11 / 13 Watt 0.06 0.09 unit / day
TV 180 Watt 0.2 unit / hour
Vacuum Cleaner 800 Watt 0.8 unit / hour
Desktop Computer 120 Watt 0.13 unit / hour
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THANK YOU