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kazetsukai

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kazetsukai last won the day on July 8

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  1. To be fair, I think I got my two split phase 8000W PJ units for...$350? Maybe $400 each? I mean, if they do 2000W continuous on a single leg that's easily worth it to me... Its easy to forget how insanely capable the GS inverters are... my jaw hit the floor when the load test videos dropped.
  2. No problem. Its actually very cool to be able to contribute in whatever little way I can. Feel free to reach out any time. Tweaking fan settings a bit, min defaults +5F to 115F. Nice reduction in noise. If I bump Min to 120F I'll bring the MaxTmp down 5F as well to 135F, hopefully to bias it towards running a little warmer at low load but be quicker to ramp up? Come to think of it, there is no "C" channel fan in this inverter... option add? Where would one even be installed in the chassis... Rethinking inverter in the cabin at all, for several reasons. Exhaust heat from the inverter could be better used heating my batteries in freezing weather than thrown outside or into the cabin.... speaking of which- is there a setting to stop charge at a certain low ambient temp threshold? Might want to consider that feature if not. I tested spamming the "Test fans" button to see if it would have the desired effect- it did, fans went from a very slowly falling constant, to REEEEEE (100%!!!!) to silent. What would have taken 20 minutes of ramping down took 30 seconds.
  3. Sounds great, actually. Min speed gives more control, so I could set it to 75% for instance until the unit cools down. Can't wait to see the graphs from stats.json, that's going to be awesome I think. I've had very few instances of issues since our last conversation- its mostly load driven. Toaster, induction cooktop, o r something turning on makes it freak out. Thresholds... as long as its safe. I prefer an annoying beep to volunteer fireworks.
  4. Here's a suggestion for a new feature... ability to set fans to 100% for extended periods of time, ideally for a POSTable number of seconds. If the lack of an RTC is a problem there, an alternative would be an ON/OFF pattern (fans: 100% or auto). Manually setting fan percentages aside from high values would be problematic for obvious reasons. After a high load ends, I want to be able to tell the inverter to "get over with" the bulk of the cooling down process. The Fan Test button, as short lived as that works currently, does seem to show consistent drops in temperature and fan speed after a couple presses. I'm working on geting the stats.json data into Kibana, which should tell us the exact relation between load and temperatures and allow comparison between those metrics with fan speed. An extension to this feature would be automatic cooldowns that happen after a large drop in average load, which I can experiment with if I can make a POST request the fans to 100% and auto.
  5. I set off speed to 1% to keep fans from spinning up and shutting off rapidly at night. Kinda like that, but would be nice if I could make this figure a little slower. Other ideas for fan control.... load offset, temp control. Fan speed (percent) = Math.min(100, thermistor controlled value + (load pct - load offset) * load factor) or some fancy algorithm like one-way "inertia" (fan speed changes instantly going up but very gradually while going down). In all likelyhood just about any "algorithm" suggested, even if it sounds like it makes sense, will not in practice. 😃
  6. To clarify: adb shell allows one to get to a terminal on a locally connected android device, provided they have debugging enabled on the device.
  7. I looked into the issue as well. Are you familiar with adb? A simple test: > adb shell flame:/ $ ping genetry-34febd9e.local ping: unknown host genetry-34febd9e.local 2|flame:/ $ ping genetry-34febd9e PING genetry-34febd9e.lan (192.168.8.131) 56(84) bytes of data. 64 bytes from Genetry-34FEBD9E.lan (192.168.8.131): icmp_seq=1 ttl=255 time=74.2 ms 64 bytes from Genetry-34FEBD9E.lan (192.168.8.131): icmp_seq=2 ttl=255 time=93.0 ms 64 bytes from Genetry-34FEBD9E.lan (192.168.8.131): icmp_seq=3 ttl=255 time=114 ms On Android, using http://genetry-34febd9e.lan I'm able to talk to the inverter, both in firefox and chrome.
  8. MDNS resolution on desktop Linux takes place at NSS (Name Switch Service), and is configurable. Browser really shouldn't matter. IIRC ".local" is just a Linux desktop convention, which hints "please attempt to resolve this hostname via mdns", Android doesn't seem to share this convention. The inverter should still be accessible using MDNS on Android by omitting .local at the end of the address... I've also seen .lan among other things.
  9. Yesterday I ran the above oven for a little over two hours, no hiccups at all. Knowing virtually nothing about how the fans are programmmed, behavior seems like it could be better- I would see fans spin down when load was high (oven elements switch on/off based on internal oven temp) only to spin back up when temps rose again. Also, when the food was finished cooking the fans continually readjust while the inverter as a whole cools down. I think cooling back down to average temperature should be done more consistent and aggressively, then shut the fans down to their minimums rather then modulate down. Ultimately keeping the inverter cool is the highest priority... its just more "user friendly" if the fans adjust as infrequently and gradually as possible. Just an idea! Anyway I knew the already warm cabinet would probably not be a great environment for the inverter, so yesterday I installed an exhaust vent in the cabinet. Air at the top of the cabinet is sucked directly outside. (image of cabinet with vent fan) ( Now this creates negative air pressure in the cabin, causing air from anywhere it can enter to enter (mostly at the front door), but I think this is a win compared to the alternative of much hotter air in the cabinet leaking out into our hallway. The air blowing out does feel hotter than the summer ambient air outside. The blower fan is thermostat controlled, so it will throttle itself as needed. Its silent on the highest setting... I have another one of these fans below in the battery compartment. During winter this vent will be capped and not operate, as will the battery box vent.
  10. Well, thanks to help from @Sid Genetry Solar with the inverter the past couple days, I got it running yesterday. He also resolved the charge/ATS issue for me, so I'll be gearing up to get that all installed here shortly. Since yesterday evening the inverter has been humming away in its new little home: All looked well: Shortly after I calibrated it, switched bus power over to the inverter and went to bed. I set it so the fans would stay on low rather than spin up every so often, made it easier to sleep. I wonder if I could get the fan speeds a little lower even for the "fan off" setting. Today without realizing it I had kicked off a mini stress test when I went about my business and threw a pizza in the oven! 120V Ninja convection oven, pulls around 1800W-2000W. Remote display is such a cool feature for times like these... Solar input jumped with the new load: And my yield today has been a bit higher after running the AC all night! Looks like I have a solid 6-7 days of standby power for extended overcast with this new battery bank. Overall super excited to see this all come to fruition. Its been months in the making. Thank you Genetry Solar! *munches on solar cooked pizza*
  11. Sorry, to clarify: The end user wouldn't do this, you would use the Wiki as a knowledgebase, and occasionally also to compile PDF documents from several articles in manual form, hosting that PDF much like you do today.
  12. Well, examples... here's an article showing the some of the surface potential of print media CSS: https://sympli.io/blog/a-quick-guide-to-css-for-printable-webpages/ Idk what distro you use, I run Arch linux. Both MediaWiki and DokuWiki is in the official repos: https://archlinux.org/packages/?name=dokuwiki https://archlinux.org/packages/?name=mediawiki And have articles for setting up: https://wiki.archlinux.org/title/MediaWiki https://wiki.archlinux.org/title/DokuWiki Docker compose is probably the fastest way to get this up on a Linux box. https://hub.docker.com/_/mediawiki/ Again I'm happy to build out a demo of this if you'd like... I've got a week or so of free time before I start a new job.
  13. I was thinking print-media CSS (CSS that applies to web pages only during printing) could be used to convert an article/series of articles into a PDF document equivalent to that of a manual, using the "print as PDF" feature common in modern browsers. I'd think that modern open source wiki software has decent default print-media CSS, but it could be tweaked further to achieve a desired aesthetic. If you're ever interested in giving it a whirl, I could setup a demo MediaWiki or DokuWiki, copy some of the current manual content into an article, and see how it "prints".
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