Ok, so I'm not new but if it isn't dc powered im lost. I recently bought a Frigidaire mini frig/freezer combo. I keep burning out my 5k inverter. I tried using a induction table top burner and it powers on the unit. But it won't cook. I am running the new harbor freight Jupiter 5k modified sine wave inverter. First question, what's the difference between modified sine wave and pure sine wave? Second, why won't the induction burner work? 3rd, for some reason i keep getting low voltage warnings when nothing but the fridge is on. I have 3 month old batteries, my truck volt gauge reads 14v, my amp meter it just a hair above 0. Any help would be greatly appreciated.
Inverters, difference between modified sine wave & pure sine wave
Discussion in 'Trucking Electronics, Gadgets and Software Forum' started by onebadsnoopydog, Jan 3, 2019.
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The table top cookers either induction or resistance coil uses ENORMOUS amounts of power. Your piddly inverter aint got the beef to feed those things much less be able to vent itself trying to while it quietly burns up.
Even if you did get the table top going strong cooking or frying etc, I hate to think of the plastics all around you plus flammable sheets in your bunk and vapors from your dirty side box with all the grease, oils fluids etc.
Find yourself a nice set of 12 volt cooking pan, dutch oven etc. Put together something that dont take much to cook on those little things. even if the Dutch Ovens take a few hours. You are not in a hurry.
Maybe I got it all wrong on my end, words are difficult to imagine what exactly you are using without pictures.
the sine has to do with the ability of computers to enjoy good smooth power. They have to have it a certain way. Im too sick to properly lecture about sine this morning. But I'll leave it to someone else to get into it.
I hope you have a better day. -
Sounds like you have a problem somewhere. That Inverter should handle the fridge with no problem, Like X-Heavy said the table top burner takes a huge amount of juice, you will probably need to leave the truck running while your using it. Remember that your batteries are not made to have huge draws of power off of them unless you have something like a deep cycle batteries installed. Might make sure your cables to the batteries are big enough to handle the load your putting on them, I would use something around 12 gauge wire, as far as the fridge goes what do you mean by it keeps burning out the Inverter? Is the Fridge New or used?
x1Heavy Thanks this. -
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I wonder if maybe you just got a bad Inverter, it does happen once in a while.
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truckdriver31 and x1Heavy Thank this.
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Ok burning the inverter out not the fuse. Battery cables are guage "0". And yes I do have induction pans. I am going to get all of my truck batteries checked tonight
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Winter is the one season that kills batteries. In my own vehicle I am on my forth one in 5 years due to our winters. Dehydration is the main issue. I am getting ready to replace it with a sealed one. -
I had a modified sine wave 1,800 watt inverter that did everything I ever wanted, but when I bought an induction cooktop, it would not run. The electronics in it are not compatible with a modified sine wave inverter.
I installed a 2,500 watt pure sine wave inverter and everything worked great after that. Even the microwave worked quieter. Your 0 gauge wires are probably large enough.
A pure sine wave is like the waves in the ocean, the voltage gradually goes up, then gradually goes down. Nice and smooth.
A modified sine wave is a crude digital representation that is very choppy.
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X1Heavy, thanks for the advice, last night I did pull out all the batteries and had them checked. Turns out one of the 4 was bad, and the one my inverter was connected to read to "charge and retest ". They are all 4 months old so I got them replaced. That has solved the inverter sounding the low voltage buzzer.
uncleal13 Thanks this.
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