If you have more than one Smappee charging station on site, it's beneficial to apply phase rotation during installation.
Not all cars charge on three phases. Most plug-in hybrids, for example, currently only charge on a single phase. Say you have 10 connectors (without phase rotation) all charging single-phase PHEVs at 16A: that's potentially 160A on phase 1, and nothing at all on phase 2 and 3. Ideally, that current should be balanced across all three phases, which is exactly what phase rotation achieves.
| Charging station | Connector | Phase mapping |
|---|---|---|
| EV Base 1 | Connector 1 | L1 – L2 – L3 |
| Connector 2 | L2 – L3 – L1 | |
| EV Base 2 | Connector 1 | L3 – L1 – L2 |
| Connector 2 | L1 – L2 – L3 | |
| EV Base 3 | Connector 1 | L2 – L3 – L1 |
| Connector 2 | L3 – L1 – L2 |
| Charging station | Connector | Phase mapping |
|---|---|---|
| EV Wall Business 1 | Connector 1 | L1 – L2 – L3 |
| EV Wall Business 2 | Connector 1 | L2 – L3 – L1 |
| EV Wall Business 3 | Connector 1 | L3 – L1 – L2 |
Physically, this means the L1 cable connects to the L1 input on the first charging station, to the L3 input on the second, and so on for every station on site.
Registering it in the Dashboard
- Select the charging station you want to change.
- On the Charger configuration card, select the connector and go to the Phase assignment setting.
- Click the pencil icon to edit it, then select the correct phase assignment from the dropdown.
See also: How does overload protection work? and How do I activate overload protection? How can I change my max grid current?