Sungrow SG285HX, User Manual

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(A) PV string (B) Inverter (C) Tracking control box
(D) Grid (E) Monitoring device (F) AC circuit breaker
Note: S is the cross-sectional area of the AC cable, and Sp is the cross-sectional area of the
grounding cable.
table 5-1 Cable Requirements
No. Cable
Type
Specification
Cable Diameter
(mm)
Cross-sectional
Area(mm 2 )
1 DC cable
PV cable complying with
1,500V standard
4.7 ~ 6.4 4 ~ 6
2
Tracking
system
power
cable
Outdoor double-core copper
wire cable
8 ~ 18
0.5 ~ 10 (Recom-
mended 4 ~ 6)
3
External
ground-
ing cable
Outdoor single-core copper
wire cable
/
S
p
≥ S/2
4 AC cable
One Wire per Phase with
Multi-core Cable
refer to " table 5-2 AC Cable Require-
ments(One Wire per Phase with Multi-
core Cable) "
Two Wires per Phase with
Multi-core Cable
refer to " table 5-3 AC Cable Require-
ments(Two Wires per Phase with Mul-
ti-core Cable) "
5
Commu-
nication
cable
Shielded twisted pair
4 ~ 11 0.2 ~ 1.3
The AC cable sealing plate delivered with the inverter varies. The actual product received
shall prevail.
The sealing plate and the required AC cables are as follows.
User Manual 5 Electrical Connection