TL Group Fatehpur.pptx

Asset Management Review of
Transmission Line group
Name of TL group : Fatehpur/ NR-III

Overview of Fatehpur TL Group
Sl .No. Name of Lines Total Towers under
Jurisdiction
Total circuit Kms
Under Jurisdiction
Normal Vulnerable
01 765 KV D/C VARANASI KANPUR I & II TL 208 04 159.76
02 765 KV S/C VARANASI-FATEHPUR TL 154 07 62.82
03 765 KV S/C SASARAM-FATEHPUR TL 161 08 63.57
04 765 KV S/C FATEHPUR-AGRA I TL 112 21 51.17
05 765 KV S/C FATEHPUR AGRA II TL 150 24 63.47
06 +- 500 KV HVDC RIHAND-DADRI TL 265 08 217.21
• Total no. of lines under jurisdiction: 19
• Total no. of Ckt Km under jurisdiction: 1723.53
• Total no. of towers under jurisdiction: 3045
• Total manpower for TL patrolling & maintenance (Required/Available):
(Executive: 03/03, JE:04/05, Technician:12/01, Fitters:10)

Sl .No. Name of lines Total towers under
jurisdiction
Total circuit kms under
jurisdiction
Normal Vulnerable
07 400 KV D/C ALLAHABAD-KANPUR(GIS) I & II TL 220 08 168.71
08 400 KV D/C ALLAHABAD-FATEHPUR I&II TL 168 21 137.25
09 400 KV D/C FATEHPUR-MAINPURI I&II TL 129 25 109.45
10 400 KV D/C UNCHAHAR-FATEHPUR I&II TL 100 09 80.54
11 400 KV S/C SINGRAULI-FATEHPUR TL 218 20 88.46
12 400 KV S/C FATEHPUR-KANPUR I TL 64 04 45.33
13 400 KV ALLAHABAD-FATEHPUR III TL 224 14 86.92
14 400 KV S/C FATEHPUR-KANPUR II TL 73 04 43.37
15 400 KV S/C ALLAHABAD-KANPUR II TL 200 16 74.59
16 220 KV D/C UNCHAHAR-KANPUR I&II TL 172 09 124.00
17 220 KV D/C UNCHAHAR-KANPUR III&IV TL 172 09 124.00
18 220 KV D/C FATEHPUR-FATEHPUR I&II TL 19 02 12.34
19 220 KV D/C FATEHPUR-KANPUR South-NAUBASTA TL 21 02 10.57
Total 3045 215 1723.53

Availability of Cameras/ Kits
Sl
.No.
Description Quantity as
per inventory
norms
Quantity Available In case of
shortage, Action
plan for
procurement
1 High Optical Zoom (50X) Digital
Cameras
3 Nos. 1 2 camera are not
working properly
and under
procurement from
RHQ
2 Tower footing Impedance Kit 1 No. 1
3 Laser clearance meter 1 No. 2

Transmission line Patrolling Status
Sl.
No.
Name of lines 400 kV lines or below 500 kV HVDC / 765 kV
lines
Vulnerable
%target = % of
No. of months
completed in
current cycle /
6 months
% completed =
% of Total
towers
patrolled in
current cycle/
total towers
%target = % of
No. of months
completed in
current cycle / 4
months
% completed =
% of Total
towers
patrolled in
current cycle/
total towers)
%target = %
of No. of
months
completed in
current cycle
/ 3 months
% completed
= % of Total
towers
patrolled in
current cycle
/ total
towers)
1 765 KV D/C VARANASI KANPUR I & II TL -- -- 25% 90% 33.33% 50.0%
2 765 KV S/C VARANASI-FATEHPUR TL -- -- 25% 57% 33.33% 71%
3 765 KV S/C SASARAM-FATEHPUR TL -- -- 25% 69% 33.33% 25.00%
4 765 KV S/C FATEHPUR-AGRA I TL -- -- 25% 95% 33.33% 95.00%
5 765 KV S/C FATEHPUR AGRA II TL -- -- 25% 86% 33.33% 83.00%

Sl.
No.
Name of lines 400 kV lines or below 500 kV HVDC / 765 kV
lines
Vulnerable
%target = % of
No. of months
completed in
current cycle / 6
months
% completed =
% of Total
towers
patrolled in
current cycle/
total towers
%target = % of
No. of months
completed in
current cycle / 4
months
% completed =
% of Total
towers
patrolled in
current cycle/
total towers)
%target = %
of No. of
months
completed in
current cycle
/ 3 months
% completed
= % of Total
towers
patrolled in
current cycle
/ total
towers)
06 +- 500 KV HVDC RIHAND-DADRI TL -- -- 25% 95% 33.33% 100%
07 400 KV D/C ALLAHABAD-KANPUR(GIS) I & II TL 16.66% 32 % -- -- 33.33% 62.0 %
08 400 KV D/C ALLAHABAD-FATEHPUR I&II TL 16.66% 43.00% -- -- 33.33% 90.00%
09 400 KV D/C FATEHPUR-MAINPURI I&II TL 16.66% 79.00% -- -- 33.33% 84.00%
10 400 KV D/C UNCHAHAR-FATEHPUR I&II TL 16.66% 12.00% -- -- 33.33% 55.00%
11 400 KV S/C SINGRAULI-FATEHPUR TL 16.66% 14.00 % -- -- 33.33% 16.00 %
12 400 KV S/C FATEHPUR-KANPUR I TL 16.66% 03.00 % -- -- 33.33% 50.00 %
13 400 KV ALLAHABAD-FATEHPUR III TL 16.66% 17.00% -- -- 33.33% 0.00%
14 400 KV S/C FATEHPUR-KANPUR II TL 16.66% 10.00% -- -- 33.33% 50.00%
15 400 KV S/C ALLAHABAD-KANPUR II TL 16.66% 18.00% -- -- 33.33% 37.00%
16 220 KV D/C UNCHAHAR-KANPUR I&II TL 16.66% 8.00 % -- -- 33.33% 22.00%
17 220 KV D/C UNCHAHAR-KANPUR III&IV TL 16.66% 10.00 % -- -- 33.33% 33.00%
18 220 KV D/C FATEHPUR-FATEHPUR I&II TL 16.66% 100.00% -- -- 33.33% 100.00%
19 220 KV D/C FATEHPUR-KANPUR South-NAUBASTA TL 16.66% 100.00 % -- -- 33.33% 100.00%

Patrolling by Line in-charge
Sl
.No.
Total towers under
jurisdiction
% Target up to
current month
(=(10/12)% * No of
months passed
% Completion till
current month = %
of Total towers
patrolled till last
month/ total
towers
Major findings Remarks
1 3045 10 9.8 Nil

Patrolling by S/S in-charge & Group head
Sl
.No.
Month Total locs to be
patrolled (Nos.) as
per Patrolling norms
Actual patrolling
done
Major findings Remarks
NOV 5 6 Nil

Status of pending defects
Sl
.No
.
Name of lines Missing/
hanging
members
(AWL/BWL)
Missing nut
bolts
Missing joint
plates
Broken/
damaged
insulators (>2
damaged discs
per string for
disc types to be
considered)
Trees in
ROW
Missing
Jumper bolts
01 765 KV D/C VARANASI
KANPUR I & II TL
0/0 0 9 1
02 765 KV S/C VARANASI-
FATEHPUR TL
0/0 1 9
03 765 KV S/C SASARAM-
FATEHPUR TL
0/0 1 9
04 765 KV S/C FATEHPUR-
AGRA I TL
0/2 1 25
05 765 KV S/C FATEHPUR
AGRA II TL
0/0 3 26
06 +- 500 KV HVDC
RIHAND-DADRI TL
0/6 3

Sl
.No
.
hanging
members
(AWL/BWL)
Missing nut
bolts
Missing joint
plates
Broken/
damaged
insulators (>2
damaged discs
per string for disc
types to be
considered)
Trees in
ROW
Missing
Jumper bolts
07 400 KV D/C ALLAHABAD-
KANPUR(GIS) I & II TL
0/6 12
08 400 KV D/C ALLAHABAD-
FATEHPUR I&II TL
4/3 2
09 400 KV D/C FATEHPUR-
MAINPURI I&II TL
3/17 95
10 400 KV D/C UNCHAHAR-
FATEHPUR I&II TL
0/4 2
11 400 KV S/C SINGRAULI-
FATEHPUR TL
6/4 81
12 400 KV S/C FATEHPUR-KANPUR I
TL
0/5
13 400 KV ALLAHABAD-FATEHPUR
III TL
0/4

Sl
.No
.
hanging
members
(AWL/BWL)
Missing nut
bolts
Missing joint
plates
Broken/
damaged
insulators (>2
damaged discs
per string for
disc types to be
considered)
Trees in
ROW
Missing
Jumper bolts
14 400 KV S/C FATEHPUR-
KANPUR II TL
0/20 7
15 400 KV S/C
ALLAHABAD-KANPUR II
TL
0/0 1
16 220 KV D/C
UNCHAHAR-KANPUR
I&II TL
0/1 2
17 220 KV D/C
UNCHAHAR-KANPUR
III&IV TL
1/1
FATEHPUR I&II TL
0/1
KANPUR South-
NAUBASTA TL
0/17 2

Details of open line tripping in current Financial Year
Sl
.No
.
Name of lines Tripping
details
Outage
(hrs)
Reason behind
tripping
Action taken to
address the
issue
Completion
date

Sl
.N
o.
Name of
lines
Tripping details Outage
timing
Reason behind tripping Action
taken to
address the
issue
Completio
n date
1 500 KV HVDC
RIHAND-DADRI POLE-
I,
Loc-862
TRANSIENT EARTH FAULT. FD: RIHAND-
321.83KM, DADRI- 493.17 KM
02/04/2021
(21:23:00)
EMERGENCY PATROLLING AND TOWER TOP PATROLLING
FROM LOC. 859 TO 862. AT LOC.862 POLE 1, IN OUTER
SIDE INSULATOR NEAR TOP GRADING RING
FlashoverFOUND ON INSULATOR AND BELOW THE BIRD
GUARD. TRANSIENT FAULT IS SUSPECTED FROM
FOREIGN MATERIAL FAILING FROM BIRD NEST.
TO AVOID FURTHER
FAULT BIRD NEST
REMOVED AND PLASTIC
SPIKE TYPE BIRD GUARD
FIXED.
2
400 KV SINGRAULI-
FATEHPUR,
Loc-814-815,817-818
TRIPPED ONLY FROM SINGRAULI END ON R-N
FAULT. AFAS DETAILS-F.D.-60.956KM, F.C.-
5.5KA. FATEHPUR END DETAILS M1- F.D.-
59.9KM/F.C.-5.21KA, M2- F.D.-59.0KM/F.C.-
5.3KA SINGRAULI END DETAILS M1- F.D.-
265.2KM/F.C.-1.48KA.
04/04/2021
(09:59:00)
Heavy Bush Fire observed b/w loc no 814-815 & 817-818
which caused A/R of line
3 765 KV VARANASI-
KANPUR(GIS)-I,
Loc-662-663
Tripped on Y-N fault, FD:239.84km from
Varanasi & 66.4km from Kanpur ,FC:3.39kA at
Varanasi & 5.8kA at Kanpur.
13/04/2021
(12:44:00)
Line tripped during OPGW work. At loc no 662-663
4 500 KV HVDC
RIHAND-DADRI POLE-
II,
Loc-971
AR successfully due to DC transient earth fault.
FD: 364.66km from Rihand & 450.34km from
Dadri.
15/04/2021
(06:05:00)
Emergecy patrolling of 500 kV HVDC Rihand-Dadri
carried out from location 969-971. At location 971 Bird
nest found at in Pole-II and removed and also at location
971 Flash over spot found at CC ring and Grading Ring
and tower top body.
Spike type bird guards
provided
5 500 KV HVDC
RIHAND-DADRI POLE-
II,
Loc-939
DC transient fault ,Details fro Rihand- 352.59
Kms, Details from Dadri-462.41 Kms ,
20/04/2021
(04:24:55)
Patrolling carried out from 936-940. At loc no 939 bird
nest & egg found and flashover observed b/w grading
ring & bottom portion og bird guard.
Spike type bird guards
provided

Sl
.N
o.
Name of
lines
timing
Reason behind tripping Action taken
to address
the issue
Completio
n date
6
500 KV HVDC RIHAND-
DADRI POLE-I,
Loc-833
DC transient fault ,Details fro Rihand- 352.59 Kms, Details
from Dadri-462.41 Kms ,Fault is in Fatehpur TL Jurisdiction
20/04/2021
(08:56:00)
Patrolling carried out from loc no 832-836. At loc no 833, Bird Nest
and eagle baby & egg found & 1 dead eagle found below the tower
7
500 KV HVDC RIHAND-
DADRI POLE-I,
Loc-833
DC Transient fault : FD - 310.8KM from Rihand and 504.2KM
from Dadri end. Fault in Fatehpur Jurisdiction
23/04/2021
(00:48:00)
Bird Nest found at 833.
8 400 KV FATEHPUR-
MAINPURI-I,
Loc-35-36
A/R successfully on R-N fault from both ends, Details from
Fatehpur end.-M-1- F/D-11.4 Kms, F/C- 16 KA,M-2- F/D-11.5
Kms, F/C- 16.12 KA, Details from Mainpuri end.-M-1- F/D-
260.1 Kms, F/C-1.34 KA, Fault in Fatehpur Jurisdiction
27/04/2021
(12:32:00)
Tree Found at loc No 35-36
Cut the tree
9 400 KV FATEHPUR-
MAINPURI-I,
Loc-35-36
Tripped on R-N fault from both ends, Details from Fatehpur
end.-M-1- F/D-11.11 Kms, F/C- 16.36 KA,M-I1- F/D-11.3
Kms, F/C- 16.12 KA, Details from Mainpuri end.-M-1- F/D-
260.1 Kms, F/C-1.34 KA, Fault in Fatehpur Jurisdiction
27/04/2021
(13:04:00)
Tree Found at loc No 35-36
Cut the tree
10 400 KV SINGRAULI-
FATEHPUR,
Tripped on B-N Fault, Details from Fatehpur- F/D-26.4
Kms, F/C-7.35 KA , Singrauli end details- F/D-299.4
10/05/2021
9:37:00 PM
At loc no 903-904-905 farmers burnt fire on wheat field. Fire on field

Sl
.N
o.
Name of
lines
timing
Reason behind tripping Action taken
to address
the issue
Completio
n date
11
500 KV HVDC RIHAND-DADRI
POLE-II, Loc-857
DC transient fault in Pole-2. FD:320.07km from
Rihand &494.93km from Dadri.
12-05-21 01:20
Patrolling done from loc no 853-862. At loc no 857 bird
nest and eggs found and removed. Flashover observed in
CC Ring & cross arm member. Dead bird found.
Spike type bird guard fixed
12
400 KV SINGRAULI-
FATEHPUR, Loc-60
LineA/R succesfully on R-N fault Fault details at
Fatehpur are M1- F.D.-17.5kM Ir-13.33kA/ M2-
F.D.-17.5kM Ir-13.42kA.
31-05-21 04:31
At Loc no 60 Burnt tread found at bottom crossarm.
Flashover found on CC Ring.
MAINPURI CKT- 2
Line A/R Successfully R-N Fault, Details from
Fatehpur End- M-1, F/D-20.2 Kms, F/C-10.26 KA
,M-2,F/D-20.8 Kms, F/C-11.33 KA Mainpuri End
details-M-1, F/D-260 Kms, F/C- 1.463 KA , M-2,
F/D-288 Kms, F/C- 1.4 KA
01/07/2021
(15:45:00)
During Emergency Tower Top Patrolling From (48-
52,335,336) at Loc-336 (TP Tower) due to heavy stormy
weather flash over found on Yoke Plate and Jumper
Conductor Ckt-2,R-Phase Bottom Conductor.
14
400 KV D/C ALLAHABAD-
FATEHPUR CKT- 1
Line Tripped R-Y Fault, Details from Fatehpur End
F/D-15.499 Kms, F/C-Ir=Iy=19.747 KA
14/07/2021
(16:09:00)
Due to OPGW Work Ropes fall on Conductor.After Found
Ropes Removed.
15 400 KV FATEHPUR-
Line A/R Successfully Y-N Fault, Details from
Fatehpur End- M-1,F/D-52.6 Kms, F/C-6.8 KA ,M-
19-07-2021
During Emergency Patrolling from Loc-(835-845) no
abnormality observed.During the time of fault heavy rain

Sl
.N
o.
Name of
lines
timing
taken to
address
the issue
Completi
on date
16
400 KV D/C FATEHPUR-
MAINPURI CKT- 1
,M-2,F/D-5.0 Kms, F/C-23.35 KA Fault in
fatehpur Jurisdiction 02/08/2021
(10:16:00)
During Emergency Patrolling From Loc-(17-18) at Loc-17
Insulator Decaped found due to heavy stormy weather in R-
Phase Bottom Conductor.
Decaped Porcelain
Insulator Changed
by Long Rod
Polymer Insulator.
17
MAINPURI CKT- 2
Fatehpur End- M-1, F/D-6.9 Kms, F/C-23.1 KA ,M-
2,F/D-6.9 Kms, F/C-22.74 KA Fault in fatehpur
Jurisdiction.
16/08/2021
(13:38:00)
Insulator Puncutre found in R-Phase Bottom Conductor.After
than Puncture Porcelain Insulator Changed by Long Rod
Polymer Insulator.
Puncture Porcelain
Insulator Changed
by Long Rod
Polymer Insulator.
MAINPURI CKT-1
,M-2,F/D-66.8 Kms, F/C-22.8 KA Fault in
fatehpur Jurisdiction
16/08/2021
(13:51:00)
Insulator Puncutre found in Y-Phase Middle Conductor.
Puncture Porcelain
Insulator Changed by
Long Rod Polymer
Insulator.
19
400 KV D/C ALLAHABAD-
KANPUR GIS CKT-1
Line A/R Successfully B-N Fault,Details from
,M-2,F/D-143 Kms, F/C-2.80 KA Fault in fatehpur
Jurisdiction
20/08/2021
(17:59:00)
During Emergency Tower Top Patrolling From Loc-(365-372) at
Loc-369 we have found the flashover/Burning spot at the arcing
horn and grading ring of B-Phase (Top) hardware fitting.
20
500 KV HVDC RIHAND-
DADRI POLE-I
TRANSIENT DC EARTH FAULT. FD: RIHAND- 338.2
KM, DADRI- 476.2 KM. FAULT IS UNDER
FATEHPUR JURISDICTION. 28/08/2021
(04:49:00)
Tower top patrolling has been done from Loc-896 to 903
corridor is free from tree and spike type bird guards is already
installed at above location however bird nest and flashover
spot found at CC Ring & tower body found at Loc-898.

Sl
.N
o.
Name of lines Tripping details Outage
timing
taken to
address
the issue
Completi
on date
21
ALLAHABAD CKT- 1
Auto reclose succesfully on B-N Fault. Allahabad
end detail - Main-1- 88.4 Kms,4.184 KA. Main-2
- 84.64 Kms, 4.211 KA and Fatehpur end detail-
Main-1- 39.4 Kms, 7.59 KA, Main-2- 39.1 Kms,
7.98 KA
16/09/2021
(01:29)
Patrolling done from loc no 263-275. At loc no 264 flashover
found on Porcelain insulator string. TFR LEG A = ZV=13.5OHM,
ZA=6.6OHM, R=1.7OHM, L=50.0 uh.
LEG D= ZV=14.2OHM, ZA=7.1OHM, R=2.3OHM, L=52.5uh.
22
500KV HVDC R-D POLE-I
Transient DC earth fault occurred,
FD=309.63km from Rihand, FD=505.37km from
Dadri
17/09/2021
(19:56)
Patrolling done from loc no 821-830. At loc no 829 bird nest &
Pollution found and flashover found on insulator.
23 400KV FATEHPUR-
UNCHAHAR(NTPC) - I
Line tripped only at Fatehpur end on B-N fault
due to auto-reclose un-successful at Fatehpur.
FD: AFAS Fatehpur : 29.609kM, 8.76kA,
Fatehpur S/S: 17.9kM, 12.53kA.
24/09/2021
(04:20)
Patrolling done from loc no 85-95. At loc no 84 bird nest found
hanging on jumper
24
400KV ALLD-FATEHPUR-III
A/R successfully from both ends due to B-N
fault. Allahabad end details: M1- 64.6km,
4.95KA, M2- 65.68km, 5.256KA. Fatehpur end
details: M1- 66.4km, 4.84KA, M2- 63.6km,
4.89KA.
26/09/2021
(00:04)
Patrolling done from loc no 796-805. At Loc No 803 remains of
dead bird and flashover found on VD.
25
765 KV D/C Varanasi-Kanpur
Ckt 2, Loc 591
Flash over mark observed on arcing horn and
jumper conductor at Loc . No. 591 (Photograph
attached). Villagers reported that heavy rain
and thundering/lightening occurred at the time
19.10.21/05:41
Emergency patrolling along with tower top done from Loc 585
to 593. Flash over mark observed on arcing horn and jumper
conductor at Loc . No. 591 (Photograph attached). Villagers
reported that heavy rain and thundering/lightening occurred at

Sl
.N
o.
Name of
lines
timing
taken to
address
the issue
Completi
on date
26
400 KV Fatehpur-Kanpur
Ckt 2, Loc 1022-1023
Line Auto reclose then tripped.
Fatehpur end detail –M1-38.2 KM,6.24 KA,
M2-37.8 KM,7.3 KA
Tripped-M1-36.5 KM,6.1 KA,M2-36.5 KA
23.11.21
12.12 hrs
Big grass(sarpat) found fired below conductor Y ph . Which had
cause of A/R and tripped due to on account of huge smoke and
high flame of fire. A lot of sarpat found between Loc 1022 to
1023 below Y ph
27
765 KV Varanasi –
Kanpur(GIS) -!,
Y-N ,
26.11.2021
11:40 hrs
Due to OPGW work

Sample photographs taken during patrolling
a) Routine patrolling by JE/ Tech
b) Cross checking by Line in-charge

a) Cross checking by Group Head

Sample photographs taken before and after
attending of defects

Repair of damaged conductor with Repair sleeve in
400 KV Allahabad-Fatehpur (CKT-I)

Painting of rusted leg 400 KV Singrauli
fatehpur Line

2 No. Porcelain Insulator String is replaced with long Rod Polymer Insulator after
porcelain insulator failure in Y Phase at Loc No: 18 in 400 KV Fatehpur-Mainpuri 1

16000 nos. spike type bird guards fixed at 75 nos. locations (Bird Prone Area) of 500
KV Rihand Dadri Line

OPGW work in 765 kv VNS-KNP line

Live Line Detection of Faulty Insulators (PID) work is being
carried out in 4400KV D/C FTP-ALD Line and 400KV D/C FTP-
MNP Line.

Bypass assembly arrangement work where jumper cone
/jumper bolt are damaged

TL Group Fatehpur.pptx

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