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Sunday, 14 June 2015

energy calculation of electrical appliance

Know your electricity consumption and help saving electricity
The table below tells you how much energy you consume through various devices. You can save a lot of energy for the nation and cut your electricity bills by switching off the devices which are not required.
Some Ready Calculations
Device (Capacity & Size)
Wattage
Monthly Electricity Consumption (kWh)
One Unit od power will be consumed when you run the device for…
One hour/day
Six hours/day
Bulb
25
0.75
4.5
40 hrs.
40
1.2
7.2
25 hrs.
60
1.8
10.8
16 hrs. 40 min
100
3
18
10 hrs
CFL
5 watt
7
0.21
1.26
143 hrs.
9 watt
11
0.33
1.98
90 hrs
11 watt
13
0.39
2.34
77 hrs.
25 watt
27
0.81
4.86
37 hrs.
Fluorocent 

Tube Lights 48″
with Copper choke
55
1.65
9.9
18 hrs. 11 min.
with Electronic choke
35
1.05
6.3
28 hrs. 11 min.
Night Lamp
15
0.45
2.7
66 hrs. 40 min.
Ceiling fan
36/48″
50
1.5
9
20 hrs.
56″
60
1.8
10.8
16 hrs. 40 min.
60″
71
2.1
12.6
14 hrs. 17 min.
Table Fan 12″ / 16″
40
1.2
7.2
25 hrs.
Electric Iron
Domestic
450./700
13.5 to 21
81 to 126
2 hrs. 13 min to 1 hr. 25 min.
Dhobi
1000
30
180
1 hr.
Immersion Iron
1000
30
180
1 hr.
Geyser
Storage 15-50 lit
2000
60
360
30 min.
Instant
3000
90
540
20 min.
AC
1 ton
1400
42
252
43 min.
1.5 ton
1800
54
324
33 min.
Air Cooler
170
5.1
30.6
5 hrs. 53 min.
Refrigerator
Small
225
2 unit/day
Big
300
4 unit/day
Toaster
800
24
114
1 hrs. 15 min.
Hot Plate
1000/1500
30 to 45
180 to 360
1 hr. to 40 min.
Elecric Kettle
1000/2000
30 to 60
180 to 360
1 hr. to 30 min.
Mixer-Juicer (Big)
450
13.5
81
2 hrs. 13 min.
Washing Machine
Automatic
325/1000
3 hrs. 5 min. to 5 hrs.
Semi-Autometic
200
6
36
5 hrs.
Vacuum Cleaner
700-750
21 to 22.5
126 to 135
10 hrs. 26 min. to 1 hr. 20 min.
Radio
15
0.45
2.7
66 hrs . 40 min.
Tape Recorder
20
0.6
3.6
50 hrs.
TV
60 to 120
1.8 to 3.6
10.8 to 21.6
16 hrs. 40 min. to 8hr. 20 min.
Video
40
1.2
7.2
25 hrs.
Mosquito Repellant
5
0.15
0.9
200 hrs.
Water Purifier
25
0.75
4.5
40 hrs.
Computer
100 to 150
3 to 4.5
18 to 27
10 hrs to 6 hrs. 40
min.

Courtesy : http://www.powericaltd.com

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