Limits
- An outlet that is attached to no circuit is not load balanced.
- When the line of a single-phase outlet is not known, Flowion counts its current on every line of its circuit, which is safe but leaves capacity unused.
Capability area
Load balancing
Put more chargers on the same fuse and keep the location within its limits.
Model a location's circuits
Describe a location's wiring once, as a tree of circuits with their ratings, and attach each outlet to the circuit that feeds it.
You describe a location once: a tree of circuits with their ratings, and which circuit feeds each outlet. A circuit is rated per line, in amperes, so a three-phase 63 A circuit carries 63 A on each of L1, L2 and L3.
Circuits below a parent may add up to more than the parent's rating. That is how real locations are built, and Flowion handles it by never giving a car more than the tightest circuit above it can spare.
A single-phase outlet on a three-phase circuit can be recorded on its line, so Flowion counts its current there and nowhere else. The console shows the same tree on a location's Circuits tab, and everything is available over the API too.
Keep a location within its electrical limits
Flowion shares each circuit's current between the cars charging on it and keeps the location within the ratings you gave it.
Ten 22 kW chargers behind a 63 A supply cannot all run flat out at once, and they do not need to. Flowion shares each circuit's current between the cars that are actually charging, moves it as cars arrive and leave, and keeps the total within the ratings. You install more chargers on the same fuse instead of paying for a bigger connection.
Every 30 seconds Flowion shares what is free equally between the cars that want more, caps each car by the tightest circuit between it and the grid, line by line, and takes back what a car is not using. It starts from your circuit tree; there is nothing to switch on.
Where a circuit also feeds lights or heat pumps, an energy monitor on it lets Flowion reserve what the rest of the building draws. You can also install a fixed charging limit on a charger yourself.
Limits
- Not supported on every charger: a charger has to accept the limits Flowion sends it.
- A car cannot charge below 6 A, so Flowion never hands out less. When a circuit cannot give every car 6 A, the cars take turns rather than all getting a trickle.
- Flowion cannot see a load that switches on between readings, or wiring that differs from the model.