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Power Conditioners Voltage regulation to AC Regeneration

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  #41  
Old 06-13-2019, 06:14 AM
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How many beers?
I wouldn't say a lot but by the end of the night I was seeing things...

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  #42  
Old 07-12-2019, 05:15 AM
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Curious how your Tesla is going as we are looking at something for home. Any more music observations when running off battery power?
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  #43  
Old 07-12-2019, 11:27 AM
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Hi, love the Tesla's! I've listened a few times when I was on pure Tesla power and can't say I noticed any difference in the sound, knowing that the battery was on just fells nice.

By far the biggest impact is that I don't lose power at all when the grid goes down. Even though we have underground electric in my hood the power still would go out wreaking havoc on my smart home and IoT stuff. The Teslas have solved that stress and I can work from home with confidence. Check this screenshot of the Tesla app to see how wonky the grid is here, with the Tesla's, the clocks don't even have time to blink before I'm on battery.


Last edited by alkizz; 07-12-2019 at 11:30 AM.
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  #44  
Old 07-12-2019, 07:39 PM
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Hi, love the Tesla's! I've listened a few times when I was on pure Tesla power and can't say I noticed any difference in the sound, knowing that the battery was on just fells nice.

By far the biggest impact is that I don't lose power at all when the grid goes down. Even though we have underground electric in my hood the power still would go out wreaking havoc on my smart home and IoT stuff. The Teslas have solved that stress and I can work from home with confidence. Check this screenshot of the Tesla app to see how wonky the grid is here, with the Tesla's, the clocks don't even have time to blink before I'm on battery.

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  #45  
Old 08-04-2019, 03:28 PM
r0b r0b is offline
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Thanks alkizz for the info! I also wondered about the quality of the dc to ac converter for these batteries. Seems like all is well, and potentially even better than the normal grid power!

Curious about the way the batteries are hooked up. A company came by to give me a quote and said they can hookup the solar batteries to a max of 4 breakers where each is 15a max. Your setup sounds like whole-house battery backup. Is that a correct assumption? Can you share any info about how the batteries power your house? Is it something unique about the Tesla PowerWalls?
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  #46  
Old 08-04-2019, 04:38 PM
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I don’t know how good their inverters are, but just because you’re on battery power doesn’t necessarily make it better. It could actually make it worse. Remember, inverters “create” the 60 Hz sine wave. If they don’t do a good job at recreating a pure 60Hz sine wave, it could (and most likely will) sound bad. It would be really interesting to put a scope on it (or better yet, a power analyzer) and see what the distortion is like feeding your sound system. In any case, the Powerwall is awesome and I’m seriously considering one or two.
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  #47  
Old 08-06-2019, 07:19 PM
JHellow JHellow is offline
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We have had a 26 panel array and two PowerWall 2s for about 18 months. I did not expect much change in the way my system sounded because it was well grounded using ground rods before we went with the new off grid system. My amps, Concert Fidelity, are on a SilverCircle 5 SE and the preamp and phono stage, all Rowland, are battery powered. Everything just seems to have a little blacker background when off the grid, and you can hear a bit more micro detail. On my system the changes are not huge. Those changes certainly are not justified by the initial cost of going off grid.
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  #48  
Old 08-11-2019, 09:21 PM
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Originally Posted by r0b View Post
Thanks alkizz for the info! I also wondered about the quality of the dc to ac converter for these batteries. Seems like all is well, and potentially even better than the normal grid power!

Curious about the way the batteries are hooked up. A company came by to give me a quote and said they can hookup the solar batteries to a max of 4 breakers where each is 15a max. Your setup sounds like whole-house battery backup. Is that a correct assumption? Can you share any info about how the batteries power your house? Is it something unique about the Tesla PowerWalls?
Hi, yes it's a whole house backup and it's awesome. Solar during the day and (mostly) tesla during the night or outages.

I can't overstate how nice it is to never lose power.
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  #49  
Old 08-11-2019, 09:24 PM
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Originally Posted by Cohibaman View Post
I don’t know how good their inverters are, but just because you’re on battery power doesn’t necessarily make it better. It could actually make it worse. Remember, inverters “create” the 60 Hz sine wave. If they don’t do a good job at recreating a pure 60Hz sine wave, it could (and most likely will) sound bad. It would be really interesting to put a scope on it (or better yet, a power analyzer) and see what the distortion is like feeding your sound system. In any case, the Powerwall is awesome and I’m seriously considering one or two.
Listening on tesla only is as good or better than grid, the noise harvestors are still very active during battery power, so you're probably right. Even though the hifi stuff is on dedicated circuits there's still something causing harvestors to blink. I don't hear noise and maybe it's in my head but it does sound a smidge better.
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  #50  
Old 08-11-2019, 09:26 PM
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Quote:
Originally Posted by JHellow View Post
We have had a 26 panel array and two PowerWall 2s for about 18 months. I did not expect much change in the way my system sounded because it was well grounded using ground rods before we went with the new off grid system. My amps, Concert Fidelity, are on a SilverCircle 5 SE and the preamp and phono stage, all Rowland, are battery powered. Everything just seems to have a little blacker background when off the grid, and you can hear a bit more micro detail. On my system the changes are not huge. Those changes certainly are not justified by the initial cost of going off grid.

Agree, not huge improvements but I'll take it for the peace of mind when the grid is down, which is often for me.
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