the sensor reading is not constant but fluctuating based on power demand. [image: elect.png]
On Wednesday, September 7, 2022 at 2:45:00 PM UTC+3 Mks Mk wrote: > The sensor signal contain Amps reading which is analyzed by *rtl_433* but > we adjusted the *SDR driver* to convert and send *KW* instead, which is > what the lcd display is showing and the *SDR driver* is sending KW > reading to weewx every 20 seconds, we should have mentioned this earlier > (our apology). > > the 1st part of Gary suggestion was added to current.inc but the 2nd part > crashed weewx when we added the code to extensions.py > we stopped weewx and run it again but failed to start with following error: > > Sep 7 13:00:02 Mks systemd[1]: Starting LSB: weewx weather system... > Sep 7 13:00:02 Mks weewx[28024]: Starting weewx weather system: weewx > Sep 7 13:00:02 Mks weewx[28034]: Traceback (most recent call last): > Sep 7 13:00:02 Mks weewx[28034]: File "/usr/share/weewx/weewxd", line > 29, in <module> > Sep 7 13:00:02 Mks weewx[28034]: import user.extensions > Sep 7 13:00:02 Mks weewx[28034]: File > "/usr/share/weewx/user/extensions.py", line 20, in <module> > Sep 7 13:00:02 Mks weewx[28034]: weewx.units.USUnits['group_energy'] > = 'kilo_watt_hour' > Sep 7 13:00:02 Mks weewx[28034]: NameError: name 'weewx' is not defined > Sep 7 13:00:02 Mks weewx[28035]: failed! > Sep 7 13:00:02 Mks systemd[1]: weewx.service: Control process exited, > code=exited, status=1/FAILURE > Sep 7 13:00:02 Mks systemd[1]: weewx.service: Failed with result > 'exit-code'. > > we appreciate you all for your usual help and support. > On Wednesday, September 7, 2022 at 1:46:32 PM UTC+3 [email protected] > wrote: > >> [email protected] schrieb am Mittwoch, 7. September 2022 um 05:01:53 >> UTC+2: >> >>> yes it is kilowatt-hours (kw) the kit is made by efergy >> >> >> kilowatt-hours and kw is not the same. >> >> power: kilowatt kW >> energy: kilowatt-hours kWh >> >> It is essential to know what of them the device supplies, because the >> calculation is quite different if you have one or the other. In case it is >> *energy* (in kilowatt-hours kWh) you need to sum up the values as said >> by Tom and Gary. In case it is *accumulated energy* (in kilowatt-hours >> kWh, too) you need to calculate the difference as described by Tom and >> Gary, too. In case it is *power* you need to *integrate* the readings >> over time to get the total energy. The latter can be done by >> energy_integral aggregation type provided by the weewx-GTS extension. >> >> -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/97ee17d5-4627-4a8b-8802-3c616011ee75n%40googlegroups.com.
