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3. Installation
3. Installation
3.4.4 Meter Connection(optional)
The inverter can work with a three phase smart meter to achieve Export Power Management
function and/or 24hour consumption monitoring function.
To achieve Export Power Management function, the smart meter can be installed on
either grid side or load side.
To achieve 24hour consumption monitoring function, the smart meter can only be
installed on grid side.
NOTE
Two types of meters are supported:
External CT Type Meter - 300A/5A CTs are supplied(DTSD1352-External CT Type).
Customer can place the order for a suitable meter from Canadian Solar Sales Reps.
Below are the connection diagrams of different meters connecting to different locations.
Detailed settings please refer to Section 7.5.11
.27.
.26.
L1 L
2
L
3
N
PE
Load
Figure 3.29 External CT Type Meter - “Meter in Grid”
INV L1
INV L2
INV L3
INV N
INV PE
Grid L1
Grid L2
Grid L3
Grid N
Grid PE
Ua Ub Uc N Ia* Ia Ib* Ib Ic* Ic
21 22 17 18 19 20
A
B
CT Arrow
Grid
Ua Ub Uc N Ia* Ia Ib* Ib Ic* Ic
21 22 17 18 19 20
A
B
Figure 3.30 External CT Type Meter - “Meter in Load”
L1 L
2
L
3
N
PE
Load
INV L1
INV L2
INV L3
INV N
INV PE
Grid L1
Grid L2
Grid L3
Grid N
Grid PE
CT
Arrow
Grid
Meter Port on COM Board
Meter Port on COM Board