Goodwe ETC Series User Manual

09
2.3.2 System Application
B A
BAT+
BAT-
GM3000C
L1
L2
L3
N
PE
Grid
GRID
MPPT
LOAD
BAT
LAN
S1 S2
P1 P2
L1 L2 L3
N
PE
485_1
A
B
A B
RS485
485_2
A
B
RS485
ETH
RJ45
SEMS
1 2 3 4 5 6 7 8
3
2
1
4
Cable
External CT
Loads
Router
AC Breaker (GRID)
GW50K-ETC：≥ 125A
GW100K-ETC：≥ 250A
AC Breaker (BACK-UP)
GW50K-ETC：≥ 125A
GW100K-ETC：≥ 250A
AC Breaker
(House Loads)
BACK-UP
Load
Battery
DC Breaker
≥ 125A
PV String
Main Meter
No. Type Speci󽗉cation
1
DC Input Cable (MPPT)
DC Power Cable
(BATTERY)
Two single-core outdoor copper-core cables or aluminum cables
are needed per MPPT; （PV+ and PV-：M8 OT Terminals）
Copper Cable Conductor Cross Sectional Area: 25mm
2
- 50mm
2
Aluminum Cable Conductor Cross Sectional Area: 70mm
2
2 PE Cable
Single-core Outdoor Copper-core Cable M8 OT Terminal
Conductor Cross Sectional Area: 16 mm
2
- 25 mm
2
3
AC Output Cable
(GRID)/Load Output
Cable (LOAD)
Single-coreorMulti-coreOutdoorCopper-coreCableor
AluminumCable:(L1,L2,L3,N,andPE:M8OTTerminals)
GW50K-ETC
• CopperCableConductorCrossSectionalArea(S):25mm
2

-50mm
2
；
• AluminumCableConductorCrossSectionalArea≥70mm
2
GW100K-ETC
• CopperCableConductorCrossSectionalArea(S):35mm
2

-50mm
2
；
• AluminumCableConductorCrossSectionalArea≥95mm
2
4
RS485 Communication
Cable (RS485)
Outdoor Shielded Twisted Pair;
Conductor Cross Sectional Area: 0.25 mm
2
- 1 mm
2

Goodwe ETC Series Specifications

General

Brand	Goodwe
Model	ETC Series
Category	Inverter
Language	English