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Old 02-22-2017, 10:31 PM   #1
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Default 1000 Watt Pure Sine Wave Inverter vs. 1200 Watt Inverter?

Rumor has it (which I know to be true) that 2018 LTV coaches will have as standard equipment a 1000 watt Pure Sine Wave inverter vs. the currently offered 1200 watt inverter. My basic understanding is the Pure Sine Wave inverter will offer a "cleaner" power source than the currently offered inverter....but that's as far as my knowledge / understanding goes. What's not clear to me is how much difference that would make if the new standard inverter is 200 watts less than the currently installed inverter. Could those on the forum please share their knowledge on the benefits of a 1000 watt Pure Sine Wave invertor are. Thank you in advance for your input!
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Old 02-22-2017, 10:43 PM   #2
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Default Re: 1000 Watt Pure Sine Wave Inverter vs. 1200 Watt Inverter?

You will no doubt receive many replies touting the advantages of "pure" vs "modified" sine wave inverters. FWIW, I have a 1000w "modified" version (inverter/charger) and have never had an issue in 4 years of use: lights, microwave, tv, laptop charger. In specialized use of sophisticated electronics, there may be a need. In most ordinary situations, probably not.
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Old 02-22-2017, 11:27 PM   #3
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Default Re: 1000 Watt Pure Sine Wave Inverter vs. 1200 Watt Inverter?

I, for one, have destroyed my lithium tool batteries by running the charger on a square wave inverter. It could be that a 1000W pure will be more power than a 1200w square. You're losing all the area of the square parts as power.
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Old 02-22-2017, 11:47 PM   #4
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Default Re: 1000 Watt Pure Sine Wave Inverter vs. 1200 Watt Inverter?

I have lost a toothbrush charger (Oral B) and a couple of electric blankets with a 1200W modified sine wave (MSW) inverter. My first onboard coffee maker (Nespresso) has fatal issues with MSW power and sent my overhead LED lighting into strobe light mode while the inverter was making enough noise that I yanked the plug on the Nespresso machine. I had to reset the inverter to get my circuits back. I did plug the machine back in and repeated the steps to make certain it was honestly that whacked out by the inverter power and got the same result. Online searches show that Nespresso confirms their device will not work with MSW power.

The electric blanket wasn't a good idea to run off the inverter in the first place as a battery load. Everything else I have seems to work fine with the modified sine wave power. No worries about your microwave since it isn't on an inverted circuit in the first place.
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Old 02-23-2017, 12:21 AM   #5
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Default Re: 1000 Watt Pure Sine Wave Inverter vs. 1200 Watt Inverter?

Thanks for your reply with your inverter experience, Alichity. This is a new area of discovery for me so it's good to hear what the benefits of a Pure Sine Wave inverter are vs. a Modified Sine Wave inverter. Since my knolwledege base in this area is pretty close to zero I'm wondering why LTV opted for just a 1000 watt inverter instead a 1200 watt or higher inverter???
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Old 02-23-2017, 01:14 AM   #6
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Default Re: 1000 Watt Pure Sine Wave Inverter vs. 1200 Watt Inverter?

Quote:
Originally Posted by Danarbor View Post
Thanks for your reply with your inverter experience, Alichity. This is a new area of discovery for me so it's good to hear what the benefits of a Pure Sine Wave inverter are vs. a Modified Sine Wave inverter. Since my knolwledege base in this area is pretty close to zero I'm wondering why LTV opted for just a 1000 watt inverter instead a 1200 watt or higher inverter???
That's actually a simple one - Magnum makes a pure sine wave inverter that is an almost identical form factor to the MSW one they are currently using. I originally requested the Magnum MMS1012 inverter when I ordered my TB in the fall of 2013 but found the MM1212 MSW installed when it was delivered. The next size up for the Magnum pure sine wave inverters is also a form factor change as well.
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Old 02-23-2017, 01:33 AM   #7
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Default Re: 1000 Watt Pure Sine Wave Inverter vs. 1200 Watt Inverter?

Again, FWIW a "square" wave inverter is not the same as a "modified" sine wave inverter. Here is a more detailed discussion.

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Originally Posted by ECU View Post
I, for one, have destroyed my lithium tool batteries by running the charger on a square wave inverter. It could be that a 1000W pure will be more power than a 1200w square. You're losing all the area of the square parts as power.
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