Supported Grid Types - Goodwe HT Series User Manual

User Manual V1.1-2022-07-20

3.3 Supported Grid Types

• For the TT grid structure, the effective value of the voltage between the neutral wire and
the ground wire must be less than 20V.
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 figure below:
TN-S
Transformer
L1
L2
L3
N
PE
PE
Inverter
IT
Transformer
L1
L2
L3
Inverter
The grid structures supported by GW136K-HTH is IT, as shown in thediagram below:
TN-C
Transformer
PE
Inverter
PE
IT
Transformer
Inverter
NOTICE
TN-C-S
Transformer
L1
L2
L3
PEN
Inverter
L1
L2
L3
PE
7
03 Product Introduction
TT
Transformer
L1
L2
L3
N
PE
PE
Inverter
L1
L2
L3
N
PE