4
03 Product Introduction
User Manual V1.0-2022-05-10
3 Product Introduction
3�1 Application Scenarios
The GEP 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:
The circuit diagram of GEP8-3-US10, GEP10-3-AU10, GEP12-3-10, GEP15-3-10, and GEP20-3-10 is
as follows.
PV String
Inverter
Circuit
Breaker
Power
Meter
DC Switch
DC Switch
EMI
Filter
EMI
Filter
EMI
Filter
EMI
Filter
EMI
Filter
DC SPD
DC SPD
AC SPD
AC SPD
EMI
Filter
DC/AC
Inverter
Circuit
DC/AC
Inverter
Circuit
LC
Filter
Output
Disconnecting
Relay
Output
Disconnecting
Relay
LC
Filter
Utility
Grid
3�2 Circuit Diagram
The circuit diagram of GEP4.0-3-10, GEP5.0-3-10, GEP6.0-3-10, GEP8.0-3-10, and GEP10-3-10 is as
follows.
PV1+
PV1-
PV2+
PV2-
L1
L2
L3
N
PE
PV1+
PV1--
PV2+
PV2-
L1
L2
L3
N
PE
MPPT1
MPPT2
MPPT1
MPPT2