5
User Manual V1.1-2022-07-20
03 Product Introduction
DC Switch
EMI
Filter
EMI
Filter
Current
Monitoring
DC/AC
Inverter
Circuit
LC
Filter
3 Product Introduction
3.1 Application Scenarios
The HT inverter is a three-phase PV string grid-tied inverter. The inverter converts the DC power
generated by the PV module into AC power and feeds it into the utility grid. The intended use of
the inverter is as follows:
PV String
Inverter
Circuit
Breaker
Utility
Grid
Power
distribution
cabinet
Transformer
3.2 Circuit Diagram
The circuit diagram of GW75K-HT/GW80K-HT/GW100K-HT is as follows.
DC SPD
AC SPD
Output
Disconnecting
Relay
DC Bus
PV1
PV2
PV3
PV9
PV10
+
-
+
-
+
-
+
-
+
-
L1
L2
L3
N
PE
......
......
......
......
MPPT1
MPPT2
MPPT3
MPPT9
MPPT10
......