Inspected By Pyae Phyo Hein Page 12

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT Reference Image No.

01-R

Circuit Information Circuit No: CHWP / A-5 Type of component: 50A Contactor

Current Loading R / L1 Y / L2 B / L3 N

20.9A 20.8A 21.2A -

Reference Temperature Fault Temperature Temperature Difference

56.9oC 87.9oC 31oC

Ambient Temperature 30oC Temperature

Category 2

ANALYSIS OF THERMOGRAM

Thermal Anomaly was detected on Phase 3 incoming cable of 50A contactor. Possible fault is due to poor contact of Phase 3 incoming cable termination of contactor. In addition, we opined that there are heat generated from the contactor.

RECOMMENDATIONS Forward this thermal graphic report to LEW in-charge for necessary corrective measure. Recommended corrective actions are tightening or check for improper cable termination. Verify the type rating of the contactor. For contactor used in switching of capacitor, AC-6 rating shall be used. Carry out infrared thermal scan upon the completion of corrective action.

General Information Customer : NTT SGDC Date of Inspection : 14 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-5

Thermogram Photo

Sp2

Sp1

27.5

117.6 °C

40

60

80

100

Sp1 Temperature 87.9 °C

Sp2 Temperature 56.9 °C

Inspected By Pyae Phyo Hein Page 13

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

02-R

Circuit Information Circuit No: CH / A-5 Type of component: 50A Contactor

Current Loading R / L1 Y / L2 B / L3 N

25.3A 28.1A 23.8A -

Reference Temperature Fault Temperature Temperature Difference

- 84.4oC -

Ambient Temperature 30oC Temperature

Category 2

ANALYSIS OF THERMOGRAM

Thermal Anomaly was detected on both input and output cable termination of the contactor. Possible faults are due to poor internal contact of contactor. we opined that there are heat generated from the contactor internal contacts.

RECOMMENDATIONS

Forward this thermal graphic report to LEW in-charge for necessary corrective measure. Verify the type rating of the contactor. For contactor used in switching of capacitor, AC-6 rating shall be used. Carry out infrared thermal scan upon the completion of corrective action.

General Information Customer : NTT SGDC Date of Inspection : 14 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-5

Thermogram Photo

Sp2

Sp3

Sp4

Sp1

26.5

110.6 °C

40

60

80

100

Sp1 Temperature 84.4 °C

Sp2 Temperature 74.5 °C

Sp3 Temperature 78.0 °C

Sp4 Temperature 75.6 °C

Inspected By Pyae Phyo Hein Page 14

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

03-R

Circuit Information Circuit No: CWP / A-1 Type of component: Capacitors

Current Loading R / L1 Y / L2 B / L3 N

30.1A 30.3A 31.2A -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 12 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-1-2

Thermogram Photo

Sp2 Sp3

Sp5 Sp6Sp4

Sp1

27.7

53.7 °C

30

40

50

Sp1 Temperature 40.1 °C

Sp2 Temperature 31.5 °C

Sp3 Temperature 32.3 °C

Sp4 Temperature 31.1 °C

Sp5 Temperature 31.8 °C

Sp6 Temperature 31.6 °C

Inspected By Pyae Phyo Hein Page 15

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

04-R

Circuit Information Circuit No: CHWP / A-1 Type of component: Capacitors

Current Loading R / L1 Y / L2 B / L3 N

21.5A 21.4A 21.9A -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 12 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-1-2

Thermogram Photo

Sp2

Sp6Sp5Sp4

Sp1Sp3

27.8

59.7 °C

30

40

50

Sp1 Temperature 32.9 °C

Sp2 Temperature 33.0 °C

Sp3 Temperature 33.5 °C

Sp4 Temperature 30.9 °C

Sp5 Temperature 30.5 °C

Sp6 Temperature 30.7 °C

Inspected By Pyae Phyo Hein Page 16

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

05-R

Circuit Information Circuit No: HEP / A-1 Type of component: OUTPUT MCB

Current Loading R / L1 Y / L2 B / L3 N

- - - -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 12 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-1-2

Thermogram Photo

Sp2 Sp3

Sp5Sp4 Sp6

Sp1

25.7

56.5 °C

30

40

50

Sp1 Temperature 31.4 °C

Sp2 Temperature 30.1 °C

Sp3 Temperature 32.7 °C

Sp4 Temperature 29.6 °C

Sp5 Temperature 29.5 °C

Sp6 Temperature 29.8 °C

Inspected By Pyae Phyo Hein Page 17

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

06-R

Circuit Information Circuit No: CWP / A-2 Type of component: Capacitors

Current Loading R / L1 Y / L2 B / L3 N

- - - -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 14 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-2-2

Thermogram Photo

Sp2

Sp6

Sp3

Sp5Sp4

Sp1

28.1

59.8 °C

30

40

50

Sp1 Temperature 36.0 °C

Sp2 Temperature 34.4 °C

Sp3 Temperature 33.2 °C

Sp4 Temperature 30.6 °C

Sp5 Temperature 31.3 °C

Sp6 Temperature 30.6 °C

Inspected By Pyae Phyo Hein Page 18

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

07-R

Circuit Information Circuit No: CHWP / A-2 Type of component: Capacitors

Current Loading R / L1 Y / L2 B / L3 N

- - - -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 14 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-2-2

Thermogram (date) Photo

Sp2

Sp5Sp6Sp4

Sp3Sp1

28.1

59.3 °C

30

40

50

Sp1 Temperature 32.0 °C

Sp2 Temperature 32.8 °C

Sp3 Temperature 33.7 °C

Sp4 Temperature 29.6 °C

Sp5 Temperature 30.3 °C

Sp6 Temperature 30.5 °C

Inspected By Pyae Phyo Hein Page 19

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

08-R

Circuit Information Circuit No: HEP / A-2 Type of component: Capacitors

Current Loading R / L1 Y / L2 B / L3 N

- - - -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 14 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-2-2

Thermogram Photo

Sp2

Sp6Sp5Sp4

Sp1 Sp3

28.0

55.4 °C

30

40

50

Sp1 Temperature 31.8 °C

Sp2 Temperature 31.8 °C

Sp3 Temperature 32.8 °C

Sp4 Temperature 30.2 °C

Sp5 Temperature 30.4 °C

Sp6 Temperature 30.2 °C

Inspected By Pyae Phyo Hein Page 20

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

09-R

Circuit Information Circuit No: CWP / A-3 Type of component: Capacitors

Current Loading R / L1 Y / L2 B / L3 N

28.9A 30.7A 31.6A -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 14 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-3-2

Thermogram Photo

Sp2

Sp4

Sp5

Sp1 Sp3

28.0

60.5 °C

30

40

50

60

Sp1 Temperature 34.9 °C

Sp2 Temperature 34.6 °C

Sp3 Temperature 33.7 °C

Sp4 Temperature 42.7 °C

Sp5 Temperature 40.7 °C

Inspected By Pyae Phyo Hein Page 21

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

10-R

Circuit Information Circuit No: CHWP / A-3 Type of component: Capacitors

Current Loading R / L1 Y / L2 B / L3 N

22.3A 22.7A 23.6A -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 14 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-3-2

Thermogram Photo

Sp2

Sp5Sp4

Sp6

Sp1 Sp3

27.6

59.8 °C

30

40

50

Sp1 Temperature 31.4 °C

Sp2 Temperature 32.0 °C

Sp3 Temperature 33.0 °C

Sp4 Temperature 29.8 °C

Sp5 Temperature 30.0 °C

Sp6 Temperature 30.0 °C

Inspected By Pyae Phyo Hein Page 22

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

11-R

Circuit Information Circuit No: HEP / A-3 Type of component: Capacitors

Current Loading R / L1 Y / L2 B / L3 N

21.8A 22.2A 22.3A -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 14 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-3-2

Thermogram Photo

Sp3Sp2

Sp5Sp4 Sp6

Sp1

28.7

60.7 °C

30

40

50

60

Sp1 Temperature 34.3 °C

Sp2 Temperature 34.1 °C

Sp3 Temperature 35.8 °C

Sp4 Temperature 30.9 °C

Sp5 Temperature 31.3 °C

Sp6 Temperature 30.9 °C

Inspected By Pyae Phyo Hein Page 23

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

12-R

Circuit Information Circuit No: CWP / A-4 Type of component: Capacitors

Current Loading R / L1 Y / L2 B / L3 N

26.4A 28A 28.1A -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 14 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-4-2

Thermogram Photo

Sp2

Sp3 Sp5

Sp1

Sp4

27.0

62.9 °C

30

40

50

60

Sp1 Temperature 46.4 °C

Sp2 Temperature 48.0 °C

Sp3 Temperature 29.7 °C

Sp4 Temperature 29.8 °C

Sp5 Temperature 31.7 °C

Inspected By Pyae Phyo Hein Page 24

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

13-R

Circuit Information Circuit No: CHWP / A-4 Type of component: Capacitors

Current Loading R / L1 Y / L2 B / L3 N

21A 19.9A 21A -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 14 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-4-2

Thermogram Photo

Sp2

Sp4Sp1

Sp3

Sp5

27.1

58.4 °C

30

40

50

Sp1 Temperature 38.6 °C

Sp2 Temperature 35.8 °C

Sp3 Temperature 29.7 °C

Sp4 Temperature 29.5 °C

Sp5 Temperature 29.1 °C

Inspected By Pyae Phyo Hein Page 25

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT

Reference Image No.

14-R

Circuit Information Circuit No: HEP / A-4 Type of component: Capacitors

Current Loading R / L1 Y / L2 B / L3 N

21.2A 21.2A 21.1A -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 14 August 2015

Location : Power Plant Room 2 Level 1 Name of Switchboard / Equipment

: ACSB / A-4-2

Thermogram Photo

Sp2

Sp5

Sp4

Sp3Sp1

27.5

40.8 °C

30

35

40

Sp1 Temperature 43.4 °C

Sp2 Temperature 39.7 °C

Sp3 Temperature 30.1 °C

Sp4 Temperature 30.3 °C

Sp5 Temperature 30.3 °C

Inspected By Pyae Phyo Hein Page 26

Report No: 1508-04 IRTS

INFRARED THERMAL SCAN REPORT Reference Image No.

15-R

Circuit Information Circuit No: F(E) 1-21 Type of component: Contactor and Relay

Current Loading R / L1 Y / L2 B / L3 N

- - - -

Reference Temperature Fault Temperature Temperature Difference

- - -

Ambient Temperature 30oC Temperature

Category 0

ANALYSIS OF THERMOGRAM

No Thermal Anomaly was detected.

RECOMMENDATIONS

To carry Out Thermogaphy inspection at least once a year.

General Information Customer : NTT SGDC Date of Inspection : 14 August 2015

Location : Beside Storage Room level 1 Name of Switchboard / Equipment

: SCP 1-7

Thermogram Photo

Sp2

Sp3

Sp1

34.8

71.0 °C

40

50

60

70

Sp1 Temperature 55.2 °C

Sp2 Temperature 49.5 °C

Sp3 Temperature 48.8 °C