Sungrow SG250HX, Руководство пользователя

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5.3 Electrical Connection Overview
Electrical connection in the PV system includes additional grounding connection, AC
connection, and PV string connection.
IItte em m
D De essiig gn na attiio on n
A
PV string
B Inverter
C Grid
D
Monitoring device
E ACcircuit breaker
Table 5-1 Cable requirements
N No o.. C Ca ab blle e
T Tyyp pe e
S Sp pe ec ciiffiic ca attiio on n
C Ca ab blle e
D Diia am me ette err
((m mm m))
C Crro ossss--sse ec cttiio on na all a arre ea a
((m mm m
2 2
))
1 DC cable
PV cable
complying with
1,500V standard
4.7~6.4 4~6
2
Additional
Groundin-
g cable
Outdoor single-
core copper wire
cable
/
The same as that of the
PE wire in the AC cable
3 AC cable
Four-core copper
or aluminum
cable *
38~56
L1,L2,L3,(N) wire:
70~240
PE wire: refer to
"
Table 5-
2 PE wire requirements
"
User Manual 5 Electrical Connection