Huawei SUN 2000 Series - 5.1 Preparing Cables; 5.2 Connecting a PE Cable

SUN2000-4.95KTL-JPL0
User Manual
5 Electrical Connections
Issue 03 (2020-06-03)
Copyright © Huawei Technologies Co., Ltd.
30
5.1 Preparing Cables
Figure 5-1 Solar inverter cable connection
Table 5-1 Cables
No.
Cable
Type
Conductor
Cross-Sectional
Area Range
Outer
Diameter
Source
1
DC input
power cable
Common outdoor PV cable
in the industry
3.5–5.5 mm
2
4.5–7.8 mm
Prepared by
the customer
2
RS485
communication
s cable
Two-core outdoor shielded
cable
0.25–1 mm
2
4–11 mm
Prepared by
the customer
3
AC output
power cable
Three-core (U, O, and W)
outdoor copper cable
3.5–5.5 mm
2
10–21 mm
Prepared by
the customer
4
PE cable
Single-core outdoor copper
cable
3.5–5.5 mm
2
N/A
Prepared by
the customer
5.2 Connecting a PE Cable
Context
It is recommended that the PE cable of the solar inverter be connected to a nearby ground
point. Connect the PE points of all solar inverters in the same array to ensure equipotential
connections to PE cables. Low-voltage solar inverters need to be grounded in type C mode.