Sungrow MVS6250 - Ground Connection Procedures

System Manual 6 Electrical Installation
33
6.3.1 Ground Connection
Brief Introduction
Generally, the ground connection includes equipotential connection of internal devices and
external grounding.
External Grounding
For ease of onsite cable connection, two grounding points are designed at the exterior of
the MV Station, as shown in the figure below.
On site, reliably connect both or either of the two grounding points according to actual
conditions.
Illustrations
Description
60
M10
100
Left-side view of the MV Station.
The external grounding point is shown in the
left figure.
60
M10
100
Right-side view of the MV Station.
The external grounding point is shown in the
left figure.
Note: unit: mm.
The external grounding points of the MV Station can be grounded in the following two
manners:

Connect the grounding cable to the external grounding points with M10 bolts, where
the recommended cable is of 50 mm
2
to 95 mm
2
.

Weld the grounding steel flat onto the external grounding point, after which anti-
corrosion processing needs to be performed.