1. TWINOAKS
Twinoaks Sdn. Bhd. (591486-U)
No. 213A, 1st. Floor, Yayasan FAS Business Avenue, Kelana Jaya, 47301 Petaling Jaya, Selangor Darul Ehsan.
Tel : +603 – 7880 1418 / 7803 9455 Fax : +603 – 7804 4792 Email : customerservice@twinoaks.com.my
Infrared Survey Report
Client
:
Station
Date
Test Instrument
:
:
:
TNB Distribution, Muadzam
Shah
PE Pam Boaster 8
Jan 9, 2014
FLIR T335 (emissivity : 0.95)
FLIR Systems
Equipment
: Transformer, Year 1990
Make / Model
Voltage Ratio
: MTM / 100kVA, Oil Cooled
: 11kV/433V
66.3 °C
60
40
20
6.8
Overall View Tx
FLIR Systems
35.8 °C
Ar2:max 34.2
34
32
Ar1:max 35.2
30.6
Tx - LV Cable
Phase
: Red, Yellow & Blue
Hot
Connection
: HV Cable
Spot:
Max Temp
: 35.2˚C
Ar1
Ref
: 34.2˚C
Ar2
∆T :
Action:
Suggested schedule maintenance (within 6
month) to remove, inspect the cable, clean and
re-insulate the HV cable with insulation kit
(raychem).
: -
Comment:
Cable insulation deterioration due to surface dirt
and high moisture effect.
Priority N.A.
A
B
Remark:
If any loose contact found, the existing contact
connection should not be just retighten but to
REMOVE, clean and re-torque the connection.
C
D
IR Preliminary 1

2. TWINOAKS
Twinoaks Sdn. Bhd. (591486-U)
No. 213A, 1st. Floor, Yayasan FAS Business Avenue, Kelana Jaya, 47301 Petaling Jaya, Selangor Darul Ehsan.
Tel : +603 – 7880 1418 / 7803 9455 Fax : +603 – 7804 4792 Email : customerservice@twinoaks.com.my
Infrared Survey Report
IMMEDIATE
Client
:
Station
Date
Test Instrument
:
:
:
A.S.A.P
TNB Distribution, Muadzam
Shah
PE Pam Boaster 8
Jan 9, 2014
FLIR T335 (emissivity : 0.95)
FLIR Systems
ON MONITORING
FURTHER INVESTIGATION
Equipment
: Transformer, Year 1990
Make / Model
Voltage Ratio
: MTM / 100kVA, Oil Cooled
: 11kV/433V
66.3 °C
60
40
20
6.8
Overall View Tx
FLIR Systems
136.2 °C
Ar1:max 102.3
Ar2:max 37.6
100
50
0.6
Tx - LV Cable
Phase
: Red
Hot
Connection
: Cable Termination
Spot:
Max Temp
: 102.3˚C
Ar1
Ref
: 37.6˚C
Ar2
∆T :
Action:
Please shut down, remove, clean the contact
surface and re-tighten the cable termination.
Replace the bolt and nut if necessary.
: 64.9˚C
Comment:
Bad contact and high resistance at Tx – LV Cable
termination.
Priority N.A.
A
B
Remark:
If any loose contact found, the existing contact
connection should not be just retighten but to
REMOVE, clean and re-torque the connection.
C
D
IR Preliminary 2

3. TWINOAKS
Twinoaks Sdn. Bhd. (591486-U)
No. 213A, 1st. Floor, Yayasan FAS Business Avenue, Kelana Jaya, 47301 Petaling Jaya, Selangor Darul Ehsan.
Tel : +603 – 7880 1418 / 7803 9455 Fax : +603 – 7804 4792 Email : customerservice@twinoaks.com.my
Infrared Survey Report
IMMEDIATE
A.S.A.P
ON MONITORING
FURTHER INVESTIGATION
IR Preliminary 3