Goodwe GW8K-ET User Manual

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CONTENT User Manual V1.1-2022-12-20
CONTENT
1 About This Manual ���������������������������������������������������������������������������� 1
1.1 Applicable Model .....................................................................................................................1
1.2 Target Audience .......................................................................................................................1
1.3 Symbol De󽗉nition ....................................................................................................................2
1.4 Updates ....................................................................................................................................2
2 Safety Precaution ����������������������������������������������������������������������������� 3
2.1 General Safety ...........................................................................................................................3
2.2 PV String Safety ........................................................................................................................3
2.3 Inverter Safety ..........................................................................................................................4
2.4 Battery Safety ...........................................................................................................................5
2.5 Personnel Requirements .........................................................................................................5
2.6 EU Declaration of Conformity ..................................................................................................6
3 Product Introduction ������������������������������������������������������������������������ 7
3.1 Product Overview ....................................................................................................................7
3.2 Application Scenarios ..............................................................................................................8
3.3 Working Mode ........................................................................................................................11
3.3.1 System working mode ...........................................................................................................................11
3.3.2 Inverter operation mode ....................................................................................................................... 14
3.4 Features ..................................................................................................................................15
3.5 Appearance ............................................................................................................................17
3.5.1 Parts ........................................................................................................................................................ 17
3.5.2 Dimension ..............................................................................................................................................18
3.5.3 Indicator Description .............................................................................................................................18
3.5.4 Nameplate .............................................................................................................................................. 19
4 Check and Storage ���������������������������������������������������������������������������20
4.1 Check Before Receiving .........................................................................................................20
4.2 Deliverables ............................................................................................................................20
4.3 Storage ...................................................................................................................................21
5 Installation ��������������������������������������������������������������������������������������22
5.1 Installation Requirements .....................................................................................................22
5.2 Inverter Installation ...............................................................................................................25
5.2.1 Moving the Inverter .................................................................................................................................25
5.2.2 Installing the Inverter .............................................................................................................................25
6 Electrical Connection �����������������������������������������������������������������������27
6.1 Safety Precaution ...................................................................................................................27
6.2 System Wiring Diagram..........................................................................................................28
6.3 Connecting the PE Cable ........................................................................................................30

Goodwe GW8K-ET Specifications

General

Model	GW8K-ET
Category	Inverter
Rated Power	8000 W
Max DC Voltage	1000 V
Max Input Current per MPPT	12.5 A
Number of MPPTs	2
Max Efficiency	98.3%
Protection Rating	IP65
Max DC Power	10400 W
Start-up Voltage	180 V
Max AC Apparent Power	8800 VA
THDi	<3%
AC Grid Frequency	50 Hz / 60 Hz
Euro Efficiency	97.5%
DC Switch	Yes
Protection Degree	IP65
Cooling Method	Natural Convection
Rated AC Voltage	230V
AC Voltage Range	180 - 280 V
Power Factor	0.8 leading ... 0.8 lagging
Operating Temperature Range	-25°C to +60°C
Communication	RS485, Wi-Fi, LAN