The modified sine is the output waveform referenced to a pure sine wave from the power company. Modified sines are better for interference or sensitive devices. Frequency controlled will also run rotating devices better, closer to rated speed and properties.
______________________________ Reply Separator _________________________________ Subject: Inverter questions; was: Re: Power Inverters, which one to b Author: Gail Fitzpatrick <redwood@SPEEDLINK.COM> at BALT.SMTP Date: 11/10/97 3:18 AM
According to the latest Camping World catalog, p. 43, in choosing an inverter, one should: "Calculate the highest total wattage needed at once (see chart below) and choose the closest wattage Inverter with a greater output from chart at left" [of their offerings]. In the small chart at the bottom of the page, they list typical power usage in watts of many small appliances or tools [but no fans, nor anything that really seems very comparable]. One thing i don't understand -- On their list of inverters, the 3 of largest capacity are marked with asterisks indicating "Modified sine wave and frequency controlled." Is this really 'fine print' meaning the true capacity of the units is less than indicated, or what? [clipped thread...] |
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