In
reply
to
SPMB
letter
NO.614S/SPMB-KT
dated
z-rJ'
AUgust
2015
regarding
to
conlllct
resistEnce
,
value
of110kV
circuit
Breaker
(ee)
we
would
like
to
reply
you
as
following;
:1..
According
to
our
technical
team,
the
Jrrorlhigh
contact
resistance
could
be
due
to
improper
tightness
or
oxidation
of
tarminal
pad
sJrfdce.
.
Z.
Please
request
PTC4
to
remove
the
I
high
voltage
terminal
pads
on
all
poles
of
CB.
On
dismantling,
these
pads
should
be
applied
with
fine
erne!)'
or
scotch
brite
to
remove
sumce
oxidations.
I
3.
Further
the
pads
to
be
fitted
with
right
application
of
torque
and
Contact
Resistance
t.o
be
.
I
measured
again
after
implementation
all
above
step.
We
thanlcyou
for
your
kind
cooperntion.
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