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Do these wall chargers have a way of keeping track of the usage? I will be installing and my company will pay for the charging. Without adding anything else to the system, does the charger keep a tab of the kwh used?
Do these apps show actual grid consumption or just KWh used from the battery? Do they estimate the losses between the wall and the battery? I’d think the OP wants actual mains consumption.
There are lots of old style analog meters for sale online and eBay. Sometimes listed as "RV Park Electric Meters". That would probably be the most reliable. Utilities have switched to digital communicating meters so plenty of old style available.Yes, it is for reimbursement. How much electricity did I use to charge my car so the company can pay.
I found this site a while ago. No direct experience, although I was planning to buy a meter and pan from them to monitor charging - Hialeah MeterThere are lots of old style analog meters for sale online and eBay. Sometimes listed as "RV Park Electric Meters". That would probably be the most reliable. Utilities have switched to digital communicating meters so plenty of old style available.
I have one of these. They make much smaller meter boxes than that are hardly larger than the meter. This install was for a program my utility ran. I slapped the meter from Hialeah in there later, after the program ended. You can mount it next to your wall connector and wire through it. You can also get small electronic ones on eBay.I found this site a while ago. No direct experience, although I was planning to buy a meter and pan from them to monitor charging - Hialeah Meter
Yes they do calculate losses, and if you find them to be inaccurate you can manually change the power factor to correct them. I've found them to be very accurate even when using shore power to preheat the car and battery while charging (which drives charge efficiency way down).Do these apps show actual grid consumption or just KWh used from the battery? Do they estimate the losses between the wall and the battery? I’d think the OP wants actual mains consumption.
I've found them to be very accurate even when using shore power to preheat the car and battery while charging (which drives charge efficiency way down).
Right, but to confirm accuracy, you still need a reading of actual power consumed from the wall/grid. Otherwise, it's still just an estimate that could go high or low depending on the efficiency factor.
Not UL listed, if that's a concern.under $20 to track. I use one at home for years. +/-1.5% accuracy with my utility meter.
https://www.amazon.com/gp/product/B07K3L7M29/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
under $20 to track. I use one at home for years. +/-1.5% accuracy with my utility meter.
https://www.amazon.com/gp/product/B07K3L7M29/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
It only needs one CT because car charging doesn’t use the neutral. It’s all 240v so the circuit is balanced.How does that monitor 240v with only one CT?
You only need two if you're measuring a 4 wire circuit with two hots and a neutral, (like inside a panel) where the two legs are not always part of the same circuit. With the EVSE, even if this is a 14-50, all of the current will go through both legs, so we only need to measure one side.How does that monitor 240v with only one CT?
Hi everyone. After installing the Gen 3 and connecting to wifi, what is it supposed to show on Tesla app on the phone?
Oh I see. Thank you for the information. I checked my account page, and it says I have an open order, which requires me to find an certified electrician blah blah. Kinda annoyingYou do not see the wall charher on the app unless you are charging with it. Then, you can control the charging same as a supercharger.