Dynamic Load Balancing is a technology used to constantly adjust the amount of power your chargers will use. This allows for faster charging speeds overall.
How does Dynamic Load Balancing work?
For Dynamic Load Balancing, we need to know the following variables:
Grid Connection: What's the maximum power your building's main fuse can handle before it would blow out?
βCharger's maximum speed: How fast would the charger itself be able to charge before its own dedicated fuse would blow out?
βOther consumption: How much power are you using in your building besides the charger?
To measure your other consumption, you need a Meter installed at the main fuse of your building.
Visualisation
For load and solar balancing purposes, we refer to A (Amps) and not W (Watts). The combination of a certain A with the amount of phases your car or your building has, translated to the following kW:
A | One phase | Three phase |
6 | 1.4kW | 4.2kW |
16 | 3.7kW | 11kW |
25 | 5.8kW | 17.2kW |
32 | 7.4kW | 22kW |
Let's say you have a home with a 25A main fuse. If you pull more power than 25A, you run the risk your fuses will blow out. So this is the limit in red:
β
In this scenario, your charger may be installed at a maximum of 20A. Without load balancing, this is how that would look:
However, if you are using more devices in your building than just your charger, you will quickly use too much power. Even adding the hair dryer or the oven would result in crossing the maximum of 25A:
To stay under the limit, we must know how much power you are using elsewhere, using a Meter installed at the main fuse of your building. With this, we can see the total consumption of all your devices combined:
Before we start charging now, there is one more limiting factor to consider. First is the car itself. While the charger may be installed at 20A, your car may only be able to do 16A:
Now we're ready to charge at maximum power! Here's how that looks:
You may notice at 8:30, we are not charging even though there is 5A of room left. The reason for this, is that your car needs at least 6A to charge. This cannot be changed, as it's a legal requirement.
Another thing to note is that in practice, we keep a bit of margin in between the main fuse and the total consumption. To leave room for error, and not to stress your fuse too much, in reality you would only go to a maximum of 23A in this scenario.
Three phases?
In case you have a 3-phase building, the charger will adapt to only the worst-case phase. So if you are using a lot on phase #2, and nothing on phase #1 and #3, the charger will only charge at the maximum rate that phase #2 allows, even if you could have drawn more power from the other phases.
If you have a 1-phase car, things get interesting. Because what if you are charging your car on phase #1 in this scenario? Well, you're in luck! Because we know charging faster won't impact phase #2 anyway, we can safely charge at the maximum rate that phase #1 allows, and ignore phase #2. And if you have visitors who plug in a 3-phase car, we will detect this and quickly switch back to checking all phases!
How to set Boost mode
App
Go to the main screen where you see a picture of your charger
To the right of the play button, tap the "Boost" or "Solar" text.
A slider will appear. Set it to the desired mode.
Wait 10 seconds.
The charger(s) should now be in the correct mode.
Web Portal
Go to Locations, then View the desired location.
Go to Load Management
Select "Solar" instead of Boost.
Wait 10 seconds.
The charger(s) should now be in the correct mode.