Subaru Robin Power Products RGX2400, RGX5500, RGX3500, RGXI 800 manual Range Of Applications

7. RANGE OF APPLICATIONS

Generally, the power rating of an electrical appliance indicates the amount of work that can be done by it.The electric power required for operating an electrical appliance is not always equal to the output wattage of the appliance. The electrical appliances generally have a label showing their rated voltage, frequency, and power consumption (input wattage). The power consumption of an electrical appliance is the power necessary for using it.When using a generator for operating an electrical appliance,the power factor and starting wattage must be taken into consideration.

In order to determine the right size generator, it is necessary to add the total wattage of all appliances to be connected to the unit.

Refer to the followings to calculate the power consumption of each appliance or equipment by its type.

(1)Incandescent lamp, heater, etc. with a power factor of 1.0

Total power consumption must be equal to or less than the rated output of the generator. Example: A rated 3000W generator can turn thirty 1OOWincandescent lamps on.

(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 of the power consumption of the load.

Example: A 400W mercury lamp requires 600W to 700W power source to be turned on. A rated 3000W generator can power four or five 400W mercury lamps.

NOTEI: If a power factor correction capacitor is not applied to the mercury lamp or fluorescent lamp, the more power shall be required to drive those lamps.

A rated 3000 W generator can drive one or two 400 W mercury lamps without power factor correction capacitors.

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NOTEZ: Nominal wattage of the fluorscent lamp generally indicates the output wattage of the lamp.

Therefore, if the fluorescent lamp has no special indication as to the power consumption, efficiency should be taken into account as explained in Item (5) on the following page.

(3)Motor driven tools and light electrical appliances

Generally the starting wattage of motor driven tools and light electrical appliances are 1.2 to 3 times lager than their running wattage.

Example: A rated 250W electric drill requires a 400W generator to start it.

(4)Initially loaded motor driven appliances such as water pumps,compressors,etc.

These appliances require large starting wattage which is 3 to 5 times of running wattage. Example: A rated 9OOW compressor requires a 4500W generator to drive it.

NOTEI: .Motor-driven appliances require the aforementioned generator output only at the starting. Once their motors are started, the appliances consume 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.

NOTEZ: Motor-driven appliances mentioned in Items (3) and (4) vary in their required motor starting power depending on the kind of motor and start-up load. If it is diti’icult to determine the optimum generator capacity, select a generator with a larger capacity.

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