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7. RANGE of APPLICATIONS
Generally. the rat2d power of an electrical apphan<e oiten refers to the amount oi work that can be don2 b?- it. The electric
power required t?r operating an electrical apphance is not necessarily
equal
to the amount of work that can be done bk- it.
Eiectri4 produ~rs generally ha\2 a lsb2L showing their ra
ted voltage. irrequeniy. and polver consumption (input power!. The
polv2r consumption of an 2lectrical product is the power newssark
for using it. Nhen using a generator for operating an
ele;tri<al product. hwe\er. the po\ver factor and starting current must also be taken into consideration.
Determine th2 requir2d capacity of your g2nerator frown the
power
requirsd ior operaring electrical products that are classi-
lied as iollows:
incandescent lamps. hot plates. etc. with a power factor of 1 .O
Total power consumption must be squal to or less than the rated output af the gen2rator.
Example: .A gsnerator with a rated output power ci TOOOK can l@t ten TOON’ lamps,
Fluorescent lamps. mercury lamps. etc. with a smaller power factor
S212~r a generator v-ith a rated output equivalent to 1.2 to 2 times the poser consumption of the load.
Example: ..I generator with a capacity oi 1OOK to 16OK is necessary for lighting a 8OW fluorescent lamp. A generator
Lvith a rated output of lOOOK can light six to ten 4OF fluorescent lamps.
NOTE: Wattage of the fluorescent lamp generally does not indicate the power consumption but indicates the output of
the lamp. Therefore, if the fluorescent lamp has no special indication as to the power consumption or input power,
efficiency should be taken into account as explained in
Item
5 on the following page,
Electric tools. etc. that are driven by a motor
Po\ver 1 .Z to 3 times the poRer consumption of a motor-driven tool is requrmd ior starting so select a generator with a
maGrnum output 1 .J to 3 times the power consumption of the load.
Example: .L\ 3OO\V motor-driven drill requires a g2wrator Lvith a maximum output of-IO0 to 9OOK or more.
Hater pumps. compressors. etc. that are driven by a motor w-hich is loaded at starting
3 to 5 tmr2s the power consumption of the load is nxessark- f‘or starting so select a generator with a ma.ximum output
3 to 5 tun2s its po\ver consumption.
Esample: X watsr pump \r-ith a po\ver consumption of 1OO\V requires a generator rvith a maximum output of 1’700 to
TOOOW or more.
NOTE 1: Motor-driven products mentioned in
Items
3 and 1 require the aforementioned generator capacities only
when startmg their motors. Once their motors are started, rhe products consume only about 1.2 to 2 times their rated
power consumption so that the excess power generated by the generator can be used for other electrical appliances.
NOTE 2: MO tar- driven products mentioned in Items 3 and 4 vary in their required ma tor starting power depending on
the kind of motor and start-up load. If it is difficult to determine the optimum generator capacity, select a generator
with a larger capacity.
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