Phase switching via API

goecharger / go-eCharger-API-v1

API specification for V2 go-eCharger (compatible with V3 too)

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Phase switching via API #106

Open pmihairo opened 2 years ago

pmihairo commented 2 years ago

Hello,

A very important function for me is phase switching. Use case:

Home with grid connected PV system
Go-e charger maximum current per phase controlled remotely based on the amount of power generated by the PV system and fed to the grid.
Once power from PV system fed to grid drops below 6A per phase, charging has to stop (do not want to use power from grid).
Would like to be able to set 1 phase mode so that charging can continue even if the system generates less than 6A per phase total.

Thanks,

archie-bal commented 1 year ago

Yes, I would like to switch phase modes also, with API v1. The parameter "pha" seems to be read-only. Is this true? The parameter "fsp" is not available for my Hardware (V2), correct? Question goes to @peterpoetzi

marcelgsteiger commented 1 year ago

FYI, I'm using API v2 with the psm parameter (r/w) to switch between 3 and 1 phase using node red. As soon as the available solar power exceeds some percentage of the demand for all currently charging stations, I switch from 1 to 3-phase, with some hysteresis to switch back. Moreover, I always force 3-phase charging when the cheap night energy tariff starts (here at 9 pm). The go-e are connected to the grid with rotating phases to minimize asymmetric phase load when multiple cars are charging simultaneously in one-phase mode.