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User Manual V1.1-2022-07-20
03 Product Introduction
The grid structures supported by GW73KLV-HT, GW75K-HT, GW80K-HT, GW100K-HT, GW110K-HT,
GW120K-HT are TN-S, TN-C,TN-C-S, TT, IT, as shown in the gure below:
The grid structures supported by GW136K-HTH is IT, as shown in thediagram below:
Inverter
Inverter
Inverter
Inverter Inverter
3.3 Supported Grid Types
NOTICE
• For the TT grid structure, the eective value of the voltage between the neutral wire and
the ground wire must be less than 20V.
Transformer Transformer Transformer Transformer
Transformer
TN-S TN-C TN-C-S TT
IT
L1
L2
L3
PE
L1
L2
L3
PE
N
L1
L2
L3
PE
PEN
PE
L1
L2
L3
PE
N
PE
L1
L2
L3
N
PE
Inverter
Transformer
IT
L1
L2
L3
PE