CTEK CGC100 Podręcznik użytkownika - Strona 4
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The NANOGRID™ configuration file
The NANOGRID™ configuration file is placed on the NANOGRID™ controller.
The NANOGRID™ configuration file defines:
•
Nodes to be load balanced.
•
How each node is electrically connected to the grid.
•
The load balancing schedule.
•
Fallback current.
•
Physical fuses.
•
External meters.
The configuration file is named nanogrid.ini and it contains:
•
General NANOGRID™ configuration.
•
Node configuration.
The nanogrid.ini file must be edited or created with a text editor that understands and respects UNIX-style line-endings,
for example Notepad++.
General configuration includes, but is not limited to, configuration of the NANOGRID™ scheduler. Refer to "To select load
balancing scheduler" on page 7.
Different node types
The two most common node types are:
•
Fuse: A distribution board. The fuse node cannot be controlled but the fuse node limits the quantity of the available
electrical capacity.
•
Station: A NANOGRID™ compliant charging station. The station node can be directly controlled by the NANOGRID™
controller.
Distribution boards (fuse) node type
A distribution board is described by one of the fuse types. The basic format of a fuse node is:
[GROUP-1]
type=fuse
rating=32
parent=MAINPANEL
Definitions:
[GROUP-1]
The identity of the fuse node. It must be unique for each node in the configuration file.
type=fuse
Defines that this is a fuse type node.
rating=32
The upper limit of the node that must not be exceeded when the charging capacity to
station nodes is set.
This is typically the rating of the fuse, in this case 32 A. The fuse is assumed to have 3
phases, all connected up- and downstream.
parent=MAINPANEL
Defines to which distribution board this node is connected to upstream. In this case, a
distribution board with the identity MAINPANEL. This means that this node is electrically
downstream from the node MAINPANEL.
To set this fuse node as the grid connection point, the parent value should be the same as
the identity value. Refer to the note and example below.
The grid connection point has itself as a parent in the configuration.
I
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NOTE: Each configuration file gives a tree graph of the electrical connections that are applicable for the local
NANOGRID™ installation. This means that each node has a direct parent except for one node which is the grid
connection point. Refer to the example below:
[MAINPANEL]
type=fuse
rating=40
parent=MAINPANEL
Station node type
The basic format of a station node is:
[NG-STATION-1]
type=station
parent=MAINPANEL
outlet/size=2
outlet/1/fallback_current=8
outlet/2/fallback_current=8
PhaseRotation=RST
Definitions:
[NG-STATION-1]
The identity of the station node. It has to be unique for each node in the configuration file. It
also has to correspond with the chargebox identity parameter set on the charging station.
For more information, refer to the CHARGESTORM CONNECTED 2 USER MANUAL.
type=station
Defines that this is a station type node.
parent=MAINPANEL
Defines the distribution board the station is connected to. In this case, a distribution board
with the identity MAINPANEL.
This means that the station is electrically downstream from the node MAINPANEL.
outlet/size=2
Defines that the station is equipped with 2 EVSEs ("outlets").
outlet/1/fallback_
Integer value that states what current capacity (in Ampere) must be assigned to an EV
current=8
connected to the first EVSE in case the charging station loses the connection with the
NANOGRID™ controller.
Accepted values are 0 or >=6 (6 A or larger).
A value of 0 (zero) means that charging will not be allowed if the station loses contact with
the NANOGRID™ controller.
The fallback current is 8 A in the example.
outlet/2/fallback_
Fallback current for the second EVSE. Refer to the description above.
current=8
Configuration instructions
CTEK E-Mobility AB