7. RANGE of APPLICATIONS
Generally, the rated power of an electrical appliance often refers to the amount of work that can be done by it. The electric power required for operating an electrical appliance is not necessarily equal to the amount of work that can be done by it. Electrical products generally have a label showing their rated voltage, frequency, and power consumption (input power). The power consumption of an electrical products is the power necessary for using it. When using a generator for operatiig an electrical product, however, the power factor and starting current must also be taken into consideration.
Determine the required capacity of your generator from the power required for operating electrical products that are class& fied as follows:
1.Incandescent lamps, hot plates, etc. with a power factor of 1.O
Total power consumption must be equal to or less than the rated output of the generator. Example: A generator with a rated output power of 1000 W can light ten 100 W lamps.
2.Fluorescent lamps, mercury lamps, etc. with a smaller power factor
Select a generator with a rated output equivalent to 1.2 to 2 times the power consumption of the load.
Example: A generator with a capacity of 100 W to 160 W is necessary for lighting a 80 W fluorescent lamp. A generator with a rated output of 1000 W can light 6 to 10 40 W fluorescent lamps.
NOTE: Wattage of the fluorescent lamp generally does not indicate the power consumption but indicates the ou@ut of
the lamp. Therefore, if the fluorescent lamp has no s,oecial indication as to the power conwmption or input power, efficiency should be taken into accounts as explained in Item 5 on the folio wingpage.
3.Electric tools, etc. that are driven by a motor
Power 1.2 to 3 times the power consumption of a
Example: A 300 W
4.Water pumps, compressors, etc. that are driven by a motor which is loaded at starting
3 to 5 times the power consumption of the load is necessary for starting so select a generator with a maximum output 3 to 5 times its power consumption.
Example: A water pump with a power consumption of 400 W requires a generator with a maximum output of 1200 to
2000 W or more.
NOTE | 1: | products | mentioned | in Items 3 and 4 required | the aforementioned | generator | capacities only | |
when | starting their mOtOfs. | Once | their motors | are started, the products | consume only about | 7.2 to 2 | times &eir rated | |
power consumption SO that the excess power generated by the generator can be used for other electrical appliances.
NOTE 2:
the kind of motor and
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