twrlp
Solar dabbler From San Diego County, CA
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twrlp replied to the thread Has anyone tried to use SRNE (Modbus ?) communication protocol with MakeskyBlue, PowMR or EASUN SCCs ?.Sure! The clearest I've found is from Midnite for their DIY series... -
twrlp reacted to John Hutch's post in the thread Are there any UL 1741 approved inverters below 6kw? with
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Thanks for your input on the UL 1741 standards conformance process. I have been reading over the documents from my utility for their... -
twrlp replied to the thread On demand micro inverters.I have an ESS/peak shaving setup (mentioned here) based on Enphase m250 micros kept on AC full-time, with the DC input switched on...
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twrlp reacted to cs1234's post in the thread Are there any UL 1741 approved inverters below 6kw? with Like.
Is the inverter not ETL listed? ETL and UL are two separate companies, both of which are NRTL's.. they should be functionally...
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twrlp replied to the thread Are there any UL 1741 approved inverters below 6kw?.Intertek/ETL is one of many Nationally Recognized Testing Laboratories (NRTL’s) able to certify against published standards...
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twrlp replied to the thread Are there any UL 1741 approved inverters below 6kw?.Only a handful of original manufacturers build these low-end AIO’s, principally SRNE and Voltronics, which are then resold as MPP...
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twrlp replied to the thread Are there any UL 1741 approved inverters below 6kw?.If your panels can be configured appropriately, SRNE’s got a ul1741-listed 3kw, 48v, 110v model which runs ~$450 on aliexpress. Several...
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I've done it dozens of times without issue with pretty much everyone's MPPT. My comment was only meant to caution that should...
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twrlp replied to the thread Charge 24V system with 48V.They work pretty well as dc/dc stepdowns, I've done so with my 100/30 for 24->12, but Victron cautions against: some error states cause...
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This is one of the reasons behind "the switch to net billing" in Poland as well as increased subsidies and (intended) lessened...
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twrlp replied to the thread Utility dropping power concerns - How are you directing those who don't have DIY skills for energy security?.As adoption of V2H-capable EV's grows, I expect many will end up choosing home EV chargers with tightly-coupled ATS capabilities -...
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twrlp replied to the thread Has anyone tried to use SRNE (Modbus ?) communication protocol with MakeskyBlue, PowMR or EASUN SCCs ?.Here's what I'm doing using Python: import minimalmodbus instrument = minimalmodbus.Instrument('/dev/ttyUSB0', 1, mode='rtu'...
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What would SS do without this forum to help them learn how to sell solar stuff. Wait, are they learning?
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