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Applicable wattage
60Hz
Appliance
I
Incandescent lamp,hot plate
I
up to 1
ooow
~
---1
I
Fluorescent lamp,mercury lamp
I
up to about 600W
I
I
Electric tool
I
up to about 600W
I
I
Pump,compressor
I
up to about 250W
I
NOTE
:
1. Appliances equipped with electric motors.
They need large starting current as mentioned above. However after starting, the
appliance requires only 1.2 to
2
times the wattage to continue running.Therefore, the
generator has reserve power for another appliance.
2. Some appliances will indicate output work instead
of
(input) wattage.
Example
:
40W fluorescent lamp means 40W
of
the light beam is emitted from the lamp.
In
such case, efficiency should be considered between the (input) wattage and output
work,
Efficiency
0.6
to
0.8.
. . .
motor
0.7
to
0.8.
.
. .
fluorescent lamp
The (input) wattage determined by the efficiency subjects to the same as above.
3.
Voltage drop in long extension wires
When a long wire is used to connect an appliance with the generator, a certain amount
of
voltage drop occurs in the wire which lessens effective voltage to the appliance.
The table below shows the values for a 1 OOm wire
Sectional Allowable Gauge
No./
area current wire element
mm2
1
A
1
No.lmm
1
Resistance
Ohm11
OOm
30l0.18 2.477
5OlO. 18 1.486
3710.26 0.952
3.5
4510.32 0.51 7
5.5 35 7010.32
0.332
1A
2.5V
1.5V
1
.ov
-
3A
8V
5v
3v
1.5v
1v
-
Voltage drop per
100
m
5A
12.5V
7.5v
5.0V
2.5V
2v
12V 15V 18V
-
20
-