14
3.3.2 Cable Entry Design
For easier onsite cable connection, all cables between the internal devices have been
connected before delivery.
All cables between the MV Station and the external are routed through the bottom of the
MV Station.All cables coming into or out of the MV Station should be protected properly,
for example, use cable pipe to prevent damage by rodents. After cable connection, all
cable entries should be sealed by fireproof mud or other appropriate materials.
The MV Station bottom cable entries are shown below.
Function of each opening is shown below:
N
No
o..
N
Na
am
me
e
D
De
essc
crriip
pttiio
on
n
A
DC cable inlet
DC cables connect to the inverter through
these holes
B
AC cable outlet
AC cables connect to the switchgear
through these holes.
C
Communication, power
distribution, and grounding
cable entry
Communication, power distribution, and
grounding cables of the intelligent PMD
come inside the MV Station through this
hole
D
Communication cable entry
Communication cables of the inverter
come inside the MV Station through this
hole
3.3.3 Internal Devices of the MV Station
MV Station mainly contains the inverter, transformer, the switchgear,and intelligent PMD.
IIn
nvve
errtte
err
DC cabinet of the inverter is shown in the following figure.
System Manual
Summary of Contents for SG4950HV-MV
Page 2: ......
