Sungrow MVS4480-US - Page 53

47
Suggested action
Fuse and
switches
operation
Fuse
operation
Different
voltage
between
phases
Transformer
test ratio no
match with
nameplate
Oil stains in
cover tank
or
accessories
Verify that the
bushing blade are
appropriately
connected.
×
Verify that the fuses
are not operated.
×
Verify the fuses
capacity.
× ×
Revise that there
are not faults in the
primary of
secondary system.
× ×
Check that the
motors or starters
are good
coordinated with
protection system.
× × ×
Verify that the
transformer is not
being used for up of
their nominal
capability.
× × ×
Revise that the tap
changer is not in
different position.
×
Revise that the tap
changer is making
good contact.
× ×
Verify that the load
type is not variable.
×
User Manual 10 Fast Reference for Troubleshooting