thermography of electrical panels

7/30/2019 Thermography of Electrical Panels

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SHASHIBHUSHAN AGRAWALCharter ed Engineer, BEE Certi f ied Energy Au di to r

Panel Ener gy Audit or f or M EDA, PCRA & IREDA.

ANT L-II Cert i fied Pro fessional fo r LPT, UT, M T & RT

Ref:- Sam ple/ Therma l Ima ging Date : -1 5/ 1 2/ 2 01 1

Im p o r t a n t Ob s er va t i o n s w it h R e c om m e n d a t i o n s

S No. Loca t ion Nam e Obse rva t ions Max.

T e m p .

in º C

R e c o m m e n d a t i o n s

1. HVAC MCC-01 I/ C 2F3 B Pha se bu s bar

join t

66 Check for th e looseness of su rface

contact an d r ectify.

2. HVAC MCC-01 I/ C

4F1MPCB O/ G

B Pha se cable

terminal

10 7 Replace luggin g. Need your

immediate attention on this point.

3. HVAC MCC-01 Incom er

6F1

.

All Pha se cab le

terminal

62 Check for th e loosen ess of luggin g

and rectify.

4. HVAC MCC-01 6F1 Y ph as e cab le

terminal

10 1 Replace luggin g. Need your

immediate attention on this point.

5. HVAC MCC-0 2 LHS

Panel I/ C 1F6

R Pha se cable

terminal

102 Replace lugging an d conn ector.

Need you r imm ediate atten tion on

th is point .

6. HVAC MCC-0 2 LHS

Panel I/ C 2F6

Y pha se bus bar

join t

68 Check for th e looseness of su rface

contact an d r ectify.

7 MCC-06 6R2

Star / Delta LHS

Y phase cable

terminal

89 Check for th e loosen ess of luggin g,

nu t & bolt a nd rectify.

8 MCC-06 6R2

Star / Delta RHS

Y phase cable

terminal


and rectify.

9. MCC-06 7F1 R ph ase cable 88 Replace cable.

10. MLDB Incomer 2F6 B ph as e cable

terminal


and rectify.

11 MLDB In comer 1F5 B ph as e cable

terminal

75 Check for th e looseness of nu t &

bolt an d r ectify.

12 MPDB 1F3 B ph as e cable

terminal

61 Check for th e looseness of nu t &

bolt an d r ectify.

13 MPDB 2F1 Ne cable term ina l 135 Replace term ination an d check for

harmonics. Need your immediate

a t tent ion on th is point .

14 MCC-06 3R3 High temp eratu re

on cable terminal

65. 2 Check for th e loosen ess of luggin g

and rectify.

I hereby certify tha t th e in form at ion is tru e to best of m y knowledge an d belief. For Details refer

Annexure-I.

Shash ibhush an S Agrawal B .E .(Mech )

Chartered En gine er, BEE Certified En ergy Au ditor (EA-10 90 )



Annexure- I

Comments:

• Observed high temp. On ‘B’ Phase Bus Joint.

• Check for the looseness of surface contact and rectify.

AnalysisTool

MaxTemp*

Ar1 0.95 65.6

HV AC MCC- 0 1 I / C 2 F3

Incident Summary

Location B Phase Bus Joint

Incid ent Date 14/12/2011

Action Taken________________________________________

Fault Rectified on ____________________________________

Fault Rectified by ____________________________________



Comments:

• Observed high temp. On ‘B’ Phase Cable Terminal.

• Replace lugging.

• Need your immediate attention on this point

AnalysisTool

MaxTemp*

Ar1 0.95 106.9

HVA C MCC- 0 1 I / C 4F1 MPCB O/ G

Incident Summary

Location B Phase Cable Terminal


Action Taken________________________________________





Comments:

• Observed high temp. On All Phase Cable Terminal.

• Check for the looseness of Lugging and rectify.

AnalysisTool

MaxTemp*

Ar1 0.95 61.9

HVA C MCC- 0 1 I n com er 6 F1

Incident Summary

Location All Phase Cable Terminal


Action Taken________________________________________





Comments:

• Observed high temp. On ‘Y’ Phase Cable Terminal.

• Replace lugging.


AnalysisTool

MaxTemp*

Ar1 0.95 100.9

HVA C MCC- 0 1 6 F1

Incident Summary

Location Y Phase Cable Terminal


Action Taken________________________________________





Comments:

• Observed high temp. On ‘R’ Phase Bus bar.

• Replace connector.


AnalysisTool

MaxTemp*

Ar1 0.95 102.4

HVAC MCC- 0 2 LHS Pan el I / C 1 F6

Incident Summary

Location R Phase Cable Terminal


Action Taken________________________________________





Comments:

• Observed high temp. On ‘Y’ Phase Bus bar.

• Check for the looseness of surface contact and rectify.

AnalysisTool

MaxTemp*

Ar1 0.95 85.0

HVAC MCC- 0 2 LHS Pan el I / C 2 F6

Incident Summary

Location Y Phase Bus bar


Action Taken________________________________________





Comments:


• Check for the looseness of Lugging, Nut & Bolt and rectify.

AnalysisTool

MaxTemp*

Ar1 0.95 89.4

MCC-0 6 6 R2 St ar / Del t a LHS

Incident Summary



Action Taken________________________________________





Comments:



AnalysisTool

MaxTemp*

Ar1 0.95 89.4

MCC-0 6 6 R2 St ar / Del t a RHS

Incident Summary



Action Taken________________________________________





Comments:

• Observed high temp. On ‘R’ Phase Cable.

• Replace loop cable.

AnalysisTool

MaxTemp*

Ar1 0.95 88.4

MCC-06 7F1

Incident Summary

Location R Phase Cable Terminal


Action Taken________________________________________





Comments:



AnalysisTool

MaxTemp*

Ar1 0.95 57.1

MLDB I nco m er 2 F6

Incident Summary



Action Taken________________________________________





Comments:


• Check for the looseness of nut & bolt and rectify.

AnalysisTool

MaxTemp*

Ar1 0.95 75.2

MLDB I nco m er 1 F5

Incident Summary



Action Taken________________________________________





Comments:


• Check for the looseness of Nut & Bolt and rectify.

AnalysisTool

MaxTemp*

Ar1 0.95 61.4

MPDB 1F3

Incident Summary



Action Taken________________________________________





Comments:

• Observed high temp. On ‘Neutral’ Cable Terminal.

• Replace termination and also check for harmonics.

• Need Your immediate attention on this point.

AnalysisTool

MaxTemp*

Ar1 0.95 135.2

MPDB 2F1

Incident Summary

Location N Cable Terminal


Action Taken________________________________________





Comments:

• Observed high temp. On MPB Cable Terminals.


AnalysisTool

MaxTemp*

Ar1 0.95 65.2

MCC-0 6 3 R3

Incident Summary

Location MPB Cable Terminal


Action Taken________________________________________



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