Ich würde jetzt schon sagen das der Shelly 3PM sowohl Bezug als auch Einspeisung pro Phase messen kann (siehe Bild)
Ich habe die Daten des Shelly in einer Datenbank und werte sie über Grafana aus.
Phase 1 lädt gerade den Akku über PV
Phase 2+3 speist gerade ein
und hier das Shelly Webinterface
Hier mal die Shelly Statusabfrage der drei Phasen
http://192.168.0.144/status
{"wifi_sta":{"connected":true,"ssid":"WLAN","ip":"192.168.0.144","rssi":-42},"cloud":{"enabled":true,"connected":true},"mqtt":{"connected":false},"time":"13:42","unixtime":1633693337,"serial":58392,"has_update":false,"mac":"68C63AFB5737","cfg_changed_cnt":0,"actions_stats":{"skipped":0},"relays":[{"ison":false,"has_timer":false,"timer_started":0,"timer_duration":0,"timer_remaining":0,"overpower":false,"is_valid":true,"source":"input"}],"emeters":[{"power":1156.22,"pf":0.99,"current":4.95,"voltage":235.12,"is_valid":true,"total":90391.3,"total_returned":205919.5},{"power":-1014.82,"pf":-0.99,"current":4.35,"voltage":235.46,"is_valid":true,"total":45926.3,"total_returned":167774.2},{"power":-579.56,"pf":-0.94,"current":2.65,"voltage":232.81,"is_valid":true,"total":140783.9,"total_returned":98666.6}],"total_power":-438.16,"fs_mounted":true,"update":{"status":"idle","has_update":false,"new_version":"20210909-150410/v1.11.4-DNSfix-ge6b2f6d","old_version":"20210909-150410/v1.11.4-DNSfix-ge6b2f6d"},"ram_total":49440,"ram_free":29564,"fs_size":233681,"fs_free":154867,"uptime":1490631}
oder hier die Abfrage per URL und einzelner Phase. Die Werte werden mit Plus / Minus erfasst.
http://192.168.0.144/emeter/0/energy
{"power":
1209.71,"pf":0.99,"current":5.21,"voltage":233.61,"is_valid":true,"total":90408.3,"total_returned":205919.5}
http://192.168.0.144/emeter/1/energy
{"power":
-968.39,"pf":-0.99,"current":4.15,"voltage":235.03,"is_valid":true,"total":45926.3,"total_returned":167793.4}
http://192.168.0.144/emeter/2/energy
{"power":
-599.99,"pf":-0.95,"current":2.71,"voltage":232.71,"is_valid":true,"total":140783.9,"total_returned":98678.8}
Sieht doch gut aus, oder? Was meint ihr?