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AC Inverter
8,000 Watt DC to AC Power Inverter by Wagan Tech
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POWER INVERTER OUTPUT WAVEFORM
This inverter's AC output is a Modified Sine Wave (MSW) 115 volts AC. The comparison of
Modified Sine Wave and household sine wave is shown below.
This modified sine wave has a root mean square (RMS) voltage of 115 volts. Most ordinary AC
voltmeters are calibrated to read "average" voltage and assume that the AC waveform will be a
pure sine wave. These meters will not correctly read MSW voltage, and will display about 20 to
30 volts too low. Any multi-meter identified as "TRUE RMS" will accurately read MSW correctly.
PLANNING THE INVERTER SYSTEM
Larger wattage inverters require planning before installation. There are several steps to the
planning process. The user must determine the following:
1. Maximum inverter wattage required
2. Operating time (run time) needed between battery recharges
3. Battery bank capacity in amp-hours
4. Charger requirement to recharge batteries within a reasonable time.
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