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JnJnKatiebug's avatar
JnJnKatiebug
Explorer
Jun 29, 2016

Pure Sine Wave vs Modified Sine Wave for fridge

I am thinking about changing my fridge out to a residential unit but I would need to be able to run it from my inverter for up to 8 hours at a time. (I have 4 new Trojan T105 batteries) I have read wh...
MEXICOWANDERER's avatar
MEXICOWANDERER
Explorer
Jun 29, 2016
My Trace 4024 MSW inverter runs my Viking. But at a cost. More more noise, more heat and more wasted battery amperage. You don't even want to begin to know what these inverters cost around the year 1991. 203 watts extracted from batteries versus 182. 24/7 usage it really adds up. The Trace "may" have an extra "step" in it's pseudo sine wave. Be aware that inverters revert to pure SQUARE WAVE if their capacity limit is approached.

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