Alpha ESS STORION-T50 Operation & Maintenance Manual page 19

ROUTINE MAINTENANCE
Check the fixation
Battery fixed
between the battery and
the battery rack
Check whether the
Battery
battery is well
grounding
grounded
Check whether the
ground wire of the
Battery rack
battery rack is well
grounding
connected
Check whether the
appearance of all
batteries and
Exterior
high-voltage control
boxes in the system is
normal
Check whether the
Battery rack
fixing points at the
fixed
bottom of the battery
rack are good
Battery rack Check if the battery rack
is rusty or damaged
appearance
Check the contact
Cable lug
internal resistance of the
contact interna
junction box and the
resistance
cable lug of the PCS
wiring harness
Check the wiring of the
Harness fixed
wiring harness
All battery fixing
Once 6
bolts are tightened
months
The rear surface of
the front cover of
the battery box
should be in good
electrical connection
Once 6
with the surface of
months
the battery rack and
the grounding point
(use a multimeter to
test the conduction
state)
The battery rack
ground wire is well
connected to the
Once 6
container, and the
months
ground screw is fixed
properly
Once 6
No rust or damage
months
Once 6
The battery rack is
months
well fixed
No rust or damage Once 6
on the surface
months
There is no dust or
other impurities on
the surface, and the
Once 6
contact surface
months
cannot be pressed
against the heat
shrinkable sleeve or
wax tube
There should be
enough cable tie
positions for the
wiring, and there
Once 6
should be no
months
excessive stress in
the fixed position of
the root of the wire
harness
32 33
Check whether the cable
Cable aging
is aging or damaged
Check that the
high-voltage control
High-voltage box is well fixed, and
control box the front panel is close
fixed to the battery rack to
ensure that it is
completely grounded
Molded case
Check whether the
circuit breaker plastic case circuit
for
breaker of the
high-voltage highvoltage control
control box
box is closed normally
Check whether the
Junction box
fixing points at the
fixed
bottom of the
junction box are
good
2.PCS
Check the PCS cable
PCS cable
terminal for signs of
overheating
Check if the PCS is
PCS ground
properly grounded
PCS fixed
Check the PCS fixation
Check the PCS air inlet
PCS inlet and
outlet and outlet for debris
Check the power line
connection of the
primary circuit, test
Primary circuit the insulation
resistance of the
primary circuit to
ground
ROUTINE MAINTENANCE
Once 6
No aging or damage
months
All fixing screws are
Once 6
locked
months
The highvoltage
control box molded
Once 6
case of circuit
months
breaker is closed
normally
The junction box is
Once 6
well fixed
months
No signs of
Once 6
overheating and
months
burning
Once 6
No rust and damage
months
All fixing bolts have
been tightened, and
Once 6
the marks on the
months
screws are not
misaligned
Once 3
No clutter
months
The cable of the
primary circuit should
be firmly connected,
without deformation,
Once 12
broken skin,
months
oxidation, and the
insulation resistance
should be greater
than 10MΩ