Sungrow SG4950HV-MV, Системное руководство

Страница: 42 / 120

34
ffiig gu urre e 6 6--3 3 Wiring scheme 3
table 6-1 Ports in the figure above
N No o.. N Na am me e
A
DC input
B
AC output
C
External communication port 1
D*
External 3-pahse power supply
E*
External communication port 2
Note: * is optional.
table 6-2 Devices in the figure above
N No o.. N Na am me e
1 Inverter
2
Transformer
3
Switchgear
4 Intelligent PMD
6.3.2 Cable Specifications
Choose cables according to the rules below:
•
All the cables must have sufficient ampacity. The ampacity of the conductor can at
least be influenced by environmental conditions, conductor insulation materials,
laying, wire materials, cross-sectional areas, etc.
•
All the cables must be chosen according to the maximum current of the module.
•
Cables for one polarity or phase should be of the same type and specification.
6 Electrical Installation System Manual