Load application – Multiquip MQ Power 60 Hz Generator DCA25USI2XF User Manual
Page 24
PAGE 24 — DCA25USIXF/DCA25USI2XF — OPERATION AND PARTS MANUAL — REV. #2 (07/26/11)
Single Phase Load
Always be sure to check the nameplate on the generator
and equipment to insure the wattage, amperage, frequency,
and voltage requirements are satisfactorily supplied by the
generator for operating the equipment.
Generally, the wattage listed on the nameplate of the
equipment is its rated output. Equipment may require 130—
150% more wattage than the rating on the nameplate, as
the wattage is influenced by the efficiency, power factor and
starting system of the equipment.
When connecting ordinary power tools, a capacity of up to
the generating set’s rated output (kW) multiplied by 0.8 can
be used.
The power factor of this generator is 0.8. See Table 5 below
when connecting loads.
■
■
■
■
■
When connecting a resistance load such as an
incandescent lamp or electric heater, a capacity of up to
the generating set’s rated output (kW) can be used.
■
■
■
■
■
When connecting a fluorescent or mercury lamp, a
capacity of up to the generating set’s rated output (kW)
multiplied by 0.6 can be used.
■
■
■
■
■
When connecting an electric drill or other power tools,
pay close attention to the required starting current
capacity.
WATTS = VOLTAGE x AMPERAGE
Three Phase Load
When calculating the power requirements for 3-phase power
use the following equation:
An inadequate size connecting cable which cannot carry the
required load can cause a voltage drop which can burn out
the appliance or tool and overheat the cable. See Table 6.
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LOAD APPLICATION
If wattage is not given on the equipment's name plate,
approximate wattage may be determined by multiplying
nameplate voltage by the nameplate amperage.
NOTICE
If 3Ø load (kVA) is not given on the equipment nameplate,
approximate 3Ø load output maybe determined by
multiplying voltage by amperage by 1.732.
NOTICE
Motors and motor-driven equipment draw much greater
current for starting than during operation.
NOTICE
Before connecting this generator to any building’s
electrical system, a
licensed electrician must install
an
isolation (transfer) switch. Serious damage to the
building’s electrical system may occur without this
transfer switch.
DANGER