Eaton Green Motion XCI000411 handleiding
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Example:
In the case below, the grid power line can go up to 80A and we would like to keep 20A for other consumption. In this case we
set the limit to 60A.
Figure 26. Static load balancing example
Example
Three EV chargers will be installed in a building with a maximum current capacity of 100 A. The maximum load of all
other installed equipment is 60 A. The electrical infrastructure supplying the EV chargers can provide 50 A. There
is an energy meter present. EV charger 1 is configured as Master. EV charger 2 and 3 are configured as nodes. EV
charger 1 is also reserved for an essential service vehicle that should always be charged as fast as possible. The
parameters for the three EV chargers in this case should be configured according to Table 17.
7.2.3 Dynamic load balancing
Dynamic load balancing allows unused energy in the building to be allocated to EV chargers without exceeding the
capacity of the EV charging infrastructure.
For dynamic load balancing the Eaton load balancing algorithm uses the two parameters "Maximum current for the
charging site", "Maximum current for the building" and the input from the energy meter to calculate the total available
current for EV chargers.
If the total available current for EV chargers is LOWER than the parameter Maximum current for the charging site, the
total available current for EV chargers is calculated as follows:
However, IF this calculated total available current is HIGHER than the parameter Maximum current for the charging
site, the latter value is used instead:
The algorithm then divides the total available current over the EV chargers, considering:
•
Number of cars connected
•
Maximum current capacity per car
•
Charging stations’ priorities.
The parameter "Prioritize this charger" determines the importance the Eaton load balancing algorithm attaches to
each EV charger. This parameter can differ from one EV charger to the next.
[Maximum current capacity
Total available current
IF:
THEN:
< Maximum available current for EV charging
- Energy meter reading]
- Energy meter reading
= Maximum current capacity
(building)
(building)
(dynamic)
[Maximum current capacity
Total available current
IF:
THEN:
> Maximum available current for EV charging
= Maximum available current for EV charging
- Energy meter reading]
(building)
(dynamic)
50
GREEN MOTION BUILDING INSTALLATION MANUAL MN191028EN April 2024 www.eaton.com
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Productinformatie
| Merk | Eaton |
| Model | Green Motion XCI000411 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 16416 MB |
