5.Appliances without any indication as to power consumption
Some appliances have no indication as to power consumption; but instead the work load (output) is indicated. In such a case,power consumption is to be worked out according to the numerical formula mentioned below.
(Output of electrical appliance) = (power consumption) (Efficiency)
Efficiencies of some electrical appliances are as follows:
The smaller the capacity, the worse the efficiency,
and vice versa.
Fluorescent lamp . . . . . . . . . . . 0.7 - 0.8
Example 1: A 40 W fluorescent lamp means that its luminous output is 40 W. Its efficiency is 0.7 and accordingly, power consumption will be 40 i 0.7 = 57 W. As explained in Item 2, multiply this power consumption value of 57 W by 1.2 - 2 and you will get the figure of the necessary capacity of a generator. In other words, a generator with a rated output of 1000 W capacity can light 9 - 14 40 W fluorescent lamps.
Example 2: Generally speaking, a 400 W motor means that its work load is 400 W. Efficiency of this motor is 0.7 and power consumption will be 400 + 0.7 = 570 W. When this motor is used for a
| Model |
| I | RGX305 | I | RGX405 |
| RGX505 |
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| RGX305D | RGX405D |
| RGX505D |
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Frequency |
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| : | 5OHz |
| 60Ht |
| 5OHZ |
| 6OHZ | ’ | 5OHz |
| 60Hz |
| |
incandescent | lamp, | 1 | 2500w |
| 2900w |
| 3300w |
| 3700w | j | 4400W |
| 4800W |
| ||
hot plate, | etc. |
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Fluorescent | lamp, |
| about | ) | about |
| about | ) | about |
| about | ! | about |
| ||
mercury | lamp, | etc. |
| 16OOW | ! | 19OOw |
| 2200w | / | 2500W |
| 2900W | I | 3200W | I | |
tool, | ’ | about |
| about | I | about | i | about | I |
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| about |
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| ! | 15oow |
| 17OOw | I | 2ooow | , | 2200w | j | 2%% |
| 2800w |
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motor, | etc. |
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| I | I | |||||||||||
Water pump, |
| 1 | about | 1 | about | i | about |
| about |
| about | I | about |
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| I |
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| jI |
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compressor |
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| ! | 750W | 850W | ( | 1OOOW |
| 11oow | ( | 125ow | 1 | 1400w |
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| Table | 7- 1 |
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