Features
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Pramac Pi2800 Inverter Generator |
Features |
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Maximum Power |
2800 Watts |
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Continuous Power |
2500 Watts |
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Voltage |
120/240 |
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Frequency |
60 Hertz |
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Engine |
Subaru 6.0 HP |
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Fuel Capacity |
2.9 Gallons |
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Run Time @ 50% Load |
7.6 Hours |
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Starter |
Recoil |
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Low Oil Alert |
Yes |
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Weight |
120 Pounds |
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Portability Kit |
No |
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Warranty |
2 Years |
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Dimensions |
21.0" x 18.9" x 22.9" |
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Pramac Pi2800 Generator Outlets | 
Here’s How Inverter Generators
Create Clean & Stable Power
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Conventional Generators Produce a
Single Sine Wave per Rotation—
The engine rotates two large coils of wire inside a circumference of magnets. Each full engine rotation produces a single sine wave of AC (alternating current) power. The engine must maintain a constant speed of 3,600 rpm to produce standard 60 Hz (cycles per second). (60 cycles per second times 60 (seconds per minute) = 3,600 cycles per minute). No matter how much load (lights, TV, sump pump, etc.) is needed, the generator must run at its full speed of 3,600 rpm, producing noise and consuming fuel. |
Sine Waves Displayed on Oscilloscope
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Pramac Inverter Generators Produce
over 300 Overlapping Sine Waves per Rotation—
The engine rotates several small coils of wire in a circumference of very strong magnets. Each full rotation of the engine produces over 300 overlapping sine waves of AC power thus outputting far more electrical energy.
How an Inverter Generator Works:
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STEP 1
Produce 3 Phase
AC Power at up to
20,000 Hz.
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STEP 2
Convert AC Power
to DC Power.
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STEP 3
Convert DC Power to
Clean AC Power at
120 Volts/60 Hz.
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Inverter Module Is Unit’s Heart & Soul—
Before the inverter power can be used, it must first be transformed into the proper voltage & frequency required to power the user's equipment. The inverter module "converts" 3-phase high frequency AC power into DC power which is then "Inverted" to a very clean & stable 120 volt, 60 Hz AC power signal. All functions of both generator and engine are controlled by this single, sophisticated electronic module. |
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Stability of Inverter Power Shown on Oscilloscope—
The “pure” sine wave of energy produced by an inverter generator has full width and amplitude, and no voltage surge. Using an oscilloscope for comparison of sine waves illustrates the inverter advantage. The sine wave on the left shows distortion, and the sine wave on the right shows “clean,” stable output. |
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Conventional Generator Sine Wave
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Inverter Generator Sine Wave
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Cutting Edge Microcomputer Control—
Voltage regulation (less than 3%), frequency fluctuation (less than 1%), and wave distortion (less than 2.5%). Temperature of electronics and electrical conditions are monitored, and power output will be automatically cut off to protect the generator from overloading.
Pramac Inverter Generators
Go Beyond New Inverter Technology
Super Quiet—
The Inverter Technology allows the engine to work accordingly to the load. Together with
the use of high quality soundproof panels, vibration control and a soft-tone muffler ensures
super quiet running.
More Power—
Allows operation under an overload condition of up to 120% of the rated output for 20
seconds before the output is cut off. This allows starting demanding loads such as air
conditioners & air compressors, which may not start with other brand inverter generators.
Heavy-Duty Power—
Inverter type generators produce smooth power, comparable to public utility sources.
Ideal for powering computers, medical equipment and other equipment sensitive to voltage
surges.
Rugged Design—
Larger models use tubular steel frames & heavy-duty fuel tanks to meet
extraordinary challenges of rough-handling.
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