Connecting The Ground Cable - Huawei SUN2000 Series User Manual

SUN2000-(12KTL-25KTL)-M5 Series
User Manual
No.
4
5
6

5.3 Connecting the Ground Cable

Precautions
● Ensure that the PE cable is securely connected. Otherwise, electric shocks may
● Do not connect the neutral wire to the enclosure as a PE cable. Otherwise,
Additional Information
The inverter provides the grounding detection function. This function is used to
check whether the inverter is properly grounded before the inverter starts, or
check whether the inverter ground cable is disconnected when the inverter is
running. This function is used to check whether the inverter is properly grounded
under limited conditions. To ensure the safe operation of the inverter, properly
Issue 01 (2022-06-15)
Name
(Optional)
RS485
communications
cable
(Optional)
Signal cable to
the rapid
shutdown
switch
(Optional) Grid
scheduling
signal cable
NO TE
● The minimum cable diameter must meet local standards.
● The factors that affect cable selection include the rated current, cable type, routing
mode, ambient temperature, and maximum expected line loss.
D ANGER
occur.
electric shocks may occur.
NO TE
● The PE point at the AC output port is used only as a PE equipotential point, and cannot
substitute for the PE point on the enclosure.
● It is recommended that silicone grease or paint be used around the ground terminal
after the PE cable is connected.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Type Conductor Cross-
Sectional Area
Two-core
0.2–1 mm
outdoor
(recommended: 0.5
shielded
2
mm )
twisted pair
cable
Five-core
outdoor
cable
5 Electrical Connections
Outer
Diameter
4–11 mm
2
28