Goodwe ET Series User Manual page 13

User Manual V1.1-2022-12-20
Self Consumption System (Hybrid Scenarios)
PV string
Battery
breaker
Battery
BACK-UP loads
No. Parts
1 PV string
2 Inverter
3 Battery
4 Battery
breaker
5 AC circuit
breaker
6 SPDT (Single
Pole, Double
Throw) switch
7 AC circuit
breaker
8 Smart meter
Inverter
SPDT (Single Pole,
Double Throw) switch
PV string is composed of series connected PV panels. Only for hybrid
inverters.
Supports ET, ET Plus, and BT series inverters.
Select the battery model according to the inverter model and the
approved battery list.
Recommended specifications: nominal current≥40A, nominal
voltage≥600V.
• For one inverter model, specifications of the BACK-UP load breakers
and ON-GRID load breakers shall be the same. AC circuit breakers
should be prepared by the customers.
• An SPDT switch is recommended to ensure that the BACK-UP loads
do not stop working when the inverter is off or in maintenance.
• Recommended specifications of AC Circuit Breaker and SPDT Switch:
• For GW5KL-ET, GW5K-BT, GW5K-ET, GW5KN-ET, GW6KL-ET, GW6K-
BT, GW6.5K-ET, GW6.5KN-ET: the nominal current≥25A and the
nominal voltage≥400V.
• For GW8KL-ET, GW8K-ET, GW8K-BT, GW8KN-ET, GW10KL-ET,
GW10K-BT, GW10K-ET, and GW10KN-ET: the nominal current≥32A
and the nominal voltage≥400V.
Depend on the actual using load.
Included in the deliverables of the inverter. Recommended model:
GM3000.
Smart
meter
AC circuit
breaker
AC circuit
breaker
Household
loads
Description
9
03 Product Introduction
Utility
Utility grid
meter