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Posted by Ray King on August 21, 2007, 5:22 pm
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>
>> A sine out put means a sine input from the batteries.
>
> Hmmm, I "Hope" your actually trying to say that the Insantanious
> Current from the Batteries will follow a Sine Curve, and not that
> the Voltage from the Battferies will be a Sine Wave, but it is
> very hard to tell from the above Statement, which mostly seems
> like BuzzWord Jibberish........
The current was being discussed. There is no energy storage device between
the batteries and the inverter so that if the load is a sinusoid so is the
supply current. Also the output voltage of the batteries is mostly pulsating
dc. Most lead acid batteries are more inductive than one would guess. Low
esr electrolytic caps are effective when added to the input terminals of an
inverter especially if there is some distance between the battery and
inverter as is the case in my boat. This reduces some of the rms heating in
the batteries with sineusoid current loads.
Ray
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