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EN
02 - Connecting current transformers
Option2.2-Connecting CT’s on solar panels
Click thesuppliedcurrenttransformeraroundtheL1phasewireofthe mainpower
supply,afterthemaincircuitbreaker/mainswitch,suchthattheentiregridconnection
ismeasured(seeg.1)
Connectthecurrenttransformercabletoport1ofMaxem.
Turnothemaincircuitbreakerofswitchofthefusebox.Andopenthefusebox.
RepeatthesestepsforL2andL3incaseofa3-phasegridconnection.Phase2is
connectedonport2.Phase3isconnectedonport3.
Makesurethecurrenttransformersareconnectedintherightdirection.
A.
B.
D.
E.
Option2.1-Connecting CT’s on the grid connection
ClickthesuppliedcurrenttransformeraroundtheL1wireofthecircuitbreaker
tothesolarinverter(seeg.2).Nootherloadsmaybeconnectedtothiscircuit
breaker.
Turnothemainpowersupplyterminalofthefusebox.A.
B.
C.
Connectthecurrenttransformertothecorrespondingcircuitbreakerinthefuse
box.Nootherloadsmaybeconnectedtothiscircuitbreaker.
Makesurethecurrenttransformersareconnectedintherightdirection.D.
B.
Connect the current transformer to port 4 of Maxem. Repeat these steps for
L2and L3;connectL2 toport5,connect L3 to port 6.Make sureeachcurrent
transformerofeachphaseisconnectedtotheassociatedportonMaxem.
C.
Connect the current transformer to the corresponding port on Maxem. For
instance;.port6,whensolarisconnectedtoL3onthegridconnection.Orport
5forL2.
C.
For 3-phase solar energy (see g. 2)
For 1-phase solar energy on a sub-panel (see g. 3)
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Grid / Solar
REVISION
TITLE:
A4
DWG NO.
SCALE:1:2 SHEET 1 OF 2
WEIGHT:
A A
B B
C C
D D
E E
F F
4
4
3
3
2
2
1
DATESIGNATURE
DO NOT SCALE DRAWING
MATERIAL:
NAME
1
DRAWN
LINEAR:
CHK'D
APPV'D
MFG
Q.A
ANGULAR:
FINISH:
TOLERANCES:
EDGES
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS
SURFACE FINISH:
DEBURR AND
BREAK SHARP
Maxem5-R4
L1 L2 L3
Grid / Solar
Home
Grid / Solar
Home
REVISION
TITLE:
A4
DWG NO.
SCALE:1:2 SHEET 1 OF 2
WEIGHT:
A A
B B
C C
D D
E E
F F
4
4
3
3
2
2
1
DATESIGNATURE
DO NOT SCALE DRAWING
MATERIAL:
NAME
1
DRAWN
LINEAR:
CHK'D
APPV'D
MFG
Q.A
ANGULAR:
FINISH:
TOLERANCES:
EDGES
UNLESS OTHERWISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS
SURFACE FINISH:
DEBURR AND
BREAK SHARP
Maxem5-R4
L1 L2 L3
1.
Maincircuitbreaker/
main switch
Grid connection
meter
Circuitbreakersfuse
box
3.
Circuitbreakersolar
inverter on sub-panel
2.
Circuitbreakersolar
inverter
Connection current transformers grid connection Connection current transformers solar panels