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December 13, 2021 at 5:05 am in reply to: Smart Plugs will not connect – hours spent troubleshooting #8160 Report AbuseScott9Member
I had a similar issue trying to get smart plugs set up on my Internet of Things (IoT) VLAN. IoT is a guest VLAN with full internet access but isolated from my main LAN. My two Vue2s (and many other things) work fine on that IoT VLAN but smart plugs would not configure. Vue 2 uses Bluetooth for setup and I suspect Smart Plugs use indirect peer-to-peer WiFi through the LAN. So then I tried setting up the smart plugs on a 2.4 GHz SSID on my main LAN and that worked fine, right away. My conclusion is that I had some firewall rule (probably blocking peer-to-peer communication) on the IoT guest LAN that prevented setup. Maybe this saga contains some clues. By the way, my smart plugs don’t have a power button so I didn’t know how to get to the Hot Spot mode.
- This reply was modified 2 years, 11 months ago by Scott9.
- This reply was modified 2 years, 11 months ago by Scott9.
December 13, 2021 at 4:27 am in reply to: Real vs Apparent vs Reactive Power & why things dont add up in the app #8159 Report AbuseScott9MemberI can’t get a CT on my incoming mains but I measure the six 240v split phase circuits from the service entrance using two Vue2s. So far, I have three data points with daily power running from 41 KWH to 107 KWH and the total Vue2 power was always within 1 KWH of the Duke Power daily numbers. Plenty good enough IMO.
But I did wonder how the Vue2 correctly associated the A and B phase voltages with the phase/branch currents? I suppose the voltages should be close (except for sign) so maybe it doesn’t matter.
But three phase is a whole different deal; if voltages are not correctly associated with leg currents there could be really odd results for power at the mains.
Scott9MemberHi, I’m Scott and I have been an Emporia Vue user for three days. I think Vue is awesome plus it is less expensive and more useful than competitors (like Sense).
I live in an old (Pre Civil War) but updated farm house and I wanted to see what’s using power. I have an outside meter box with 12 2-pole breakers (plus master shutoff) that power 2 heat pumps (separate compressor and air handler circuits), my barn, and a house subpanel. I installed one Vue2 system to monitor the HVAC systems (presumably the main power users) and the barn but the 100 amp subpanel feed was too big for a 50 amp CT and there was no way to install CTs on the main feed without opening the sealed meter side of the box. The subpanel (by the way) is fed through an automatic standby generator/transfer switch. So I installed a second Vue2 on the subpanel to measure total subpanel power plus most of the circuits (15 currently).
My only criticism is the difficulty cramming all those CTs and wiring in the breaker boxes. One thing that helped me was installing the CTs backwards (i.e. L-K reversed) so the CT cables point away from the breakers and lead more naturally to the wiring gutters along the sides of the breaker boxes. I don’t have solar power but I assume that solar data would still read correctly if all CTs were installed “backwards.” I used the twist ties from the CT cables to hold the installed CT cables near the sides where they don’t interfere with the breaker box cover.
I look forward to software updates that can aggregate loads but the current CSV-download capability is great for offline analysis using a spreadsheet like Excel.
Great product!
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