system operation report
TRANSCRIPT
SYSTEM OPERATION REPORT
FOR THE MONTH OF
MARCH-2021
SSLLDDCC
STATE LOAD DESPATCH CENTRE: RAIPUR
CHHATTISGARH STATE POWER TRANSMISSION COMPANY LIMITED
(C.G. Govt. Undertaking) PHONE: 0771 – 2574172 FAX NO. 0771- 2574174
Website: www.sldccg.com Email - [email protected]
Table of Contents
1. Installed Generation Capacity of CSPGCL and Central sector shares
as on 31.03.2021.
2. CSPGCL generation (Ex-Bus) in Mus.
3. Water Level of Major Reservoirs for last day of the month in Mtrs.
4. Demand Pattern.
5. Frequency Profile.
6. Voltage Profile.
7. Addition of new grid elements.
8. Units Decommissioned.
9. Planned Outages of Generating Stations.
10. Forced Outages Of State Generating Stations.
11. Shutdown of Transmission Elements.
12. Trippings in Transmission Elements.
13. Grid Disturbance.
14. Load Shedding.
15. Overloading of ICTs under N-1 Contingency.
List of Figures
Figure-1: Thermal generation [Ex-Bus] of CSPGCL in Mar-2021.
Figure-2: Hydel generation [Ex-Bus] of CSPGCL in Mar-2021.
Figure-3: Water level of reservoirs of CSPGCL in Mar-2021.
Figure-4: Load Curve on Peak Demand day.
Figure-5: Load Curve on Minimum Demand day.
Figure-6: Daily Maximum Demand Met in Feb-2020, Mar-2021&
Mar-2020.
Figure-7: Day wise Maximum & Minimum Demand Met in
Mar-2021.
Figure-8: Day wise Maximum Restricted Vs Unrestricted Demand
Met in Mar-2021.
Figure-9: Load Duration Curve for the month of Mar-2021.
Figure-10: Frequency Profile for the month of Mar-2021.
Figure-11: Frequency Duration Curve for the month of Mar-2021.
Figure-12-14: Voltage Profile of 400 KV Substations for the month of
Mar-2021.
Figure-15 to 19: Voltage Profile of 220 KV Substations for the month of
Mar-2021.
Ownership Thermal Hydel SolarBiomass /Others
Total
State 2840.00 138.70 --- 6.00 2984.70
Central Allocation (WR+ER+NR)
2484.10 113.00 --- --- 2597.10
Total 5324.10 251.70 --- 6.00 5581.80
STATION NAME UNIT NO.Unit
CapacityInstalled Capacity
Year of Commissioning
Remarks
THERMAL MW MW YEAR
1 210 21/06/1983 --
2 210 31/03/1984 --
3 210 26/03/1985 --
4 210 13/03/1986 --
KORBA WEST EXTN
5 500 500 05/09/2013 --
1 250 250 27/01/2008 --
2 250 250 30/11/2008 --
1 500 500 31/03/2016 --
2 500 500 31/07/2016 --
2840
STATION NAME UNIT NO.Unit
CapacityInstalled Capacity
Year of Commissioning
HYDEL MW MW YEAR1 40 21/03/19942 40 21/11/19943 40 11/01/19951 2.5 22/04/20042 2.5 29/06/20043 2.5 17/10/20044 2.5 05/11/20041 3.5 03/09/20062 3.5 03/09/2006
CSPGCL HYDEL 137 137
MINI/MICRO
1 0.85 12/01/20032 0.85 29/05/2007
TOTAL HYDEL including
Mini/Micro
138.7
CO-GEN PLANT, KAWARDHA
1 6.00 6.00 04/09/2006
2984.70TOTAL CSPGCL THERMAL + HYDEL + CO-GEN
GANGREL 10
SIKASAR 7
KORBA WEST 1.7
DSPM.
ABVTPS
CSEB THERMAL.
INSTALLED CAPACITY : HYDEL : CSPGCL
BANGO 120
INSTALLED CAPACITY : THERMAL : CSPGCL
Installed Generation Capacity of Chhattisgarh including Central sector shares as on 31.03.2021.1
KORBA WEST 420
KORBA WEST 420
S.NO. POWER STATIONUnit
Capacity
Total Capacity
[MW]
Total Allocated Share [MW]
1 KSTPS3x200 + 3x500
2100 210.00
2 KSTPS-7 1X500 500 75.006x210
- 0.00
2x500 - 0.002X500 1000 105.002X500 1000 62.55
4 1X500 500 40.205 TAPP - 3 & 4 2x540 1080 48.006 SIPAT-I 3x660 1980 3137 SIPAT-II 2X500 1000 158.008 NSPCL 2x250 500 50.009 MSTPS-I 2x500 1000 62.55
10 MSTPS-II 2x500 1000 87.7011 SSTPS 2x660 1320 158.8912 GSTPP 2x800 1600 155.6513 LSTPP 2x800 1600 800.0014 KHTPP 2x660 1320 125.74
17500 2452.28
1 Kameng HEP 4X150 60013.00
13.00
1 KhSTPP 3X500 1500 31.82
1500 31.82
1 Kishanganga HEP 330 100.00
100.00
1 2452.28
2 31.82
3 100.00
4 13.00
2597.10
WR
ER
NR
TOTAL
NER
IV. Total Share Of C.G. State
I. Share Of Chhattisgarh State From Central Sector Generating Stations In Western Region In Mw. (As On31.03.2021)
3VSTPS
TOTAL
TOTAL
III. Share Of Chhattisgarh State From Central Sector Generating Stations In Eastern Region In Mw. (As On 31.03.2021)
TOTAL
IVI. Share Of Chhattisgarh State From Central Sector Generating Stations In Northern Region In Mw. (As On 31.03.2021)
TOTAL
II. Share Of Chhattisgarh State From Central Sector Generating Stations InNorth Eastern Region In Mw. (As On 31.03.2021)
2 CSPGCL generation (Ex-Bus) in Mus.
3 Water Level of Major Reservoirs for last day of the month in Mtrs.
Feb-21Mar-21Mar-20
Figure-3: Water level of reserviors of CSPGCL in MARCH-2021.
Figure-1: Thermal generation [Ex-Bus] of CSPGCL in MARCH-2021.
Figure-2: Hydel generation [Ex-Bus] of CSPGCL in MARCH-2021.
KTPS HTPS DSPMTPS KWB Extn. ABVTPS Total Thermal
Feb-21 0.00 332.44 215.86 320.59 309.35 1178.24
Mar-21 0.00 319.47 288.84 316.91 469.79 1395.01
Mar-20 75.53 394.61 298.03 261.43 283.71 1313.30
332.44
215.86
320.59
309.35
1178.24
319.47 288.84
316.91
469.79
1395.01
75.53
394.61
298.03 261.43 283.71
1313.30
25.00
125.00
225.00
325.00
425.00
525.00
625.00
725.00
825.00
925.00
1025.00
1125.00
1225.00
1325.00
1425.00
1525.00
Mu
s
Thermal Generation in MARCH 2021 .
Hasdeo Bango Gangrel Sikaser
Feb-21 355.29 346 404.14
Mar-21 354.04 344.910 402.700
Mar-20 356.57 346.000 405.300
355.29
346
404.14
354.04
344.910
402.700
357.14
347.490
405.740
310
330
350
370
390
410
MU
s
BANGO GANGREL SIKASER Total Hydel
Feb-21 22.73 3.28 0.69 24.23
Mar-21 26.68 5.24 0.36 32.28
Mar-20 10.60 2.51 0.00 13.11
22.73
3.28 0.69
24.23 26.68
5.24
0.36
32.28
10.60
2.51
13.11
0.00
5.00
10.00
15.00
20.00
25.00
30.00
35.00
Mu
s
Hydel Generation in MARCH 2021
4 Demand Pattern.
4.1 MonthMaximum
Demand Met
(MW)
Date Time Frequency
March-21 4697 25.03.2021 18:45 50.02
March-20 4022 17.03.2020 18:45 49.98
% Change 17% -- -- --
4.2 Month
Maximum
Unrestricted
Demand Met
(MW)
Date Time Frequency
March-21 4739 25.03.2021 18:45 50.02
March-20 4025 17.03.2020 18:45 49.98
% Change 18% -- -- --
4.3 MonthMinimum
Demand Met
(MW)
Date Time Frequency
March-21 2560 13.03.2021 5:00 50.08
March-20 2365 10.03.2020 15:15 50.01
% Change 8% -- -- --
4.4 Availability during monthly peak demand met.
MW %
1891.00 40%
88.00 1.87%
87.00 2%
2481.42 53%
90.10 2%
59.00 1.26%
4697
Net Import(+) / Export (-)
OD(+) / UD(-)
Demand Met (MW)
Particulars
CSPGCL Thermal (Ex-bus)
CSPGCL Hydel
Injection
(Solar,Biomass,unscheduled
power,open access,small hydro)
CS Share including BSP share in
NSPCL
Figure-4: Load Curve on Peak Demand day.
4697 MW
3800
4000
4200
4400
4600
4800
MW
Time (hh:mm)
LOAD CURVE ON PEAK DEMAND DAY : 25.3.2021
Figure-5: Load Curve on Minimum Demand day.
2560 MW
2400
2600
2800
3000
3200
3400
3600
3800
4000
4200
4400
MW
Time (hh:mm)
LOAD CURVE ON MINIMUM DEMAND DAY : 13.3.2021
Figure-6: Daily Maximum Demand Met in FEB-21, MARCH-21 & MARCH-20.
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
MW
Date
Daily Max Demand met in the month of FEB-21,MARCH-21 & MARCH-20 MAX 4697 MW on 25.3.2021 at 18:45 hrs.
Average Increase of 17% compared to last year. MAR
2021
FEB
2021
4697on
25-3-21
Figure-7: Daywise Maximum & Minimum Demand Met in MARCH-2021.
2500
2700
2900
3100
3300
3500
3700
3900
4100
4300
4500
4700 M
W
Date
Daywise Min and Max Demand met in the month of MARCH-21
[ Difference : Max 1755 MW on 13.03.21& Min 360 MW on 27. 3. .21
1755 MW on 13.3.21
Figure-8: Daywise Maximum Restricted Vs Unrestricted Demand Met in MARCH-2021.
4200
4300
4400
4500
4600
4700
4800
MW
Date
UNRESTRICTED DEMAND
Figure-9: Load Duration Curve for the month of April-19.
4697MW
2560 MW 2500
2600
2700
2800
2900
3000
3100
3200
3300
3400
3500
3600
3700
3800
3900
4000
4100
4200
4300
4400
4500
4600
4700
4800
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
% OF TIME
DEM
AN
D (
MW
) [For 50% of time, Demand 4287MW ]
LOAD DURATION CURVE : MARCH-2021
% OF TIME
DEM
AN
D (
MW
)
[i] [ii] [iii]
Date <49.9
Hz
49.9 to
50.05 Hz
>50.05
Hz
Frequency
Variation Index [FVI]
% of time
Frequency
remained out of IEGC band.
No of hours during which frequency
was out of range during the day.
{([i]/100)x24 Hrs}
Daily
FDI=[ii]/24
Max Min Average
% % % % Hours Hz Hz Hz
1-Mar-21 3.13 84.38 12.50 0.02 15.63 3.75 0.16 50.11 49.82 50.02
2-Mar-21 0.00 84.38 15.63 0.02 15.63 3.75 0.16 50.11 49.91 50.02
3-Mar-21 0.00 86.46 13.54 0.02 13.54 3.25 0.14 50.08 49.92 50.02
4-Mar-21 1.04 90.63 8.33 0.02 9.38 2.25 0.09 50.09 49.88 50.00
5-Mar-21 3.13 90.63 6.25 0.03 9.38 2.25 0.09 50.07 49.87 49.99
6-Mar-21 7.29 83.33 9.38 0.02 16.67 4.00 0.17 50.11 49.86 49.99
7-Mar-21 0.00 80.21 19.79 0.02 19.79 4.75 0.20 50.13 49.94 50.03
8-Mar-21 6.25 90.63 1.04 0.03 7.29 1.75 0.07 50.08 49.83 49.99
9-Mar-21 5.21 93.75 5.21 0.02 10.42 2.50 0.10 50.08 49.83 49.99
10-Mar-21 6.25 88.54 5.21 0.01 11.46 2.75 0.11 50.08 49.85 49.99
11-Mar-21 0.00 82.29 17.71 0.02 17.71 4.25 0.18 50.12 49.90 50.02
12-Mar-21 1.04 79.17 19.79 0.02 20.83 5.00 0.21 50.12 49.89 50.03
13-Mar-21 6.25 80.21 13.54 0.02 19.79 4.75 0.20 50.10 49.78 50.00
14-Mar-21 2.08 84.38 13.54 0.02 15.63 3.75 0.16 50.10 49.87 50.00
15-Mar-21 4.17 83.33 12.50 0.02 16.67 4.00 0.17 50.10 49.79 50.01
16-Mar-21 5.21 91.67 3.13 0.01 8.33 2.00 0.08 50.07 49.85 49.99
17-Mar-21 21.88 76.04 2.08 0.02 23.96 5.75 0.24 50.07 49.79 49.95
18-Mar-21 5.21 91.67 3.13 0.02 8.33 2.00 0.08 50.07 49.83 49.99
19-Mar-21 3.13 80.21 16.67 0.02 19.79 4.75 0.20 50.08 49.85 50.01
20-Mar-21 2.08 76.04 21.88 260.43 23.96 5.75 0.24 50.13 49.86 50.02
21-Mar-21 2.08 81.25 16.67 0.02 18.75 4.50 0.19 50.13 49.87 50.01
22-Mar-21 9.38 84.38 6.25 0.02 15.63 3.75 0.16 50.11 49.84 49.98
23-Mar-21 0.00 81.25 18.75 0.02 18.75 4.50 0.19 50.10 49.90 50.03
24-Mar-21 4.17 85.42 10.42 0.02 14.58 3.50 0.15 50.09 49.85 50.01
25-Mar-21 1.04 84.38 14.58 0.02 15.63 3.75 0.16 50.10 49.82 50.02
26-Mar-21 9.38 87.50 3.13 0.02 12.50 3.00 0.13 50.08 49.83 49.98
27-Mar-21 1.04 82.29 16.67 0.02 17.71 4.25 0.18 50.10 49.84 50.02
28-Mar-21 0.00 84.38 15.63 0.02 15.63 3.75 0.16 50.12 49.94 50.03
29-Mar-21 1.04 82.29 16.67 0.01 17.71 4.25 0.18 50.14 49.89 50.01
30-Mar-21 3.13 73.96 22.92 0.02 26.04 6.25 0.26 50.13 49.82 50.03
31-Mar-21 0.00 75.00 25.00 0.02 25.00 6.00 0.25 50.17 49.90 50.03
FREQUENCY (in % time) FREQUENCY (Hz)
5. Frequency Profile.
(As per block wise frequency recorded in SLDC Raipur)
FREQUENCY PROFILE FOR MARCH-2021.
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
Figure-10: Frequency Profile for the month of MARCH-2021.
0%
5%
10%
15%
20%
25%
30%
35%
40%
45%
50%
55%
60%
65%
70%
75%
80%
85%
90%
95%
100%
Marc
h 1
, 2021
Marc
h 2
, 2021
Marc
h 3
, 2021
Marc
h 4
, 2021
Marc
h 5
, 2021
Marc
h 6
, 2021
Marc
h 7
, 2021
Marc
h 8
, 2021
Marc
h 9
, 2021
Ma
rch
10
, 2
02
1
Marc
h 1
1,
2021
Marc
h 1
2,
2021
Ma
rch
13
, 2
02
1
Marc
h 1
4,
2021
Marc
h 1
5,
2021
Ma
rch
16
, 2
02
1
Ma
rch
17
, 2
02
1
Marc
h 1
8,
2021
Ma
rch
19
, 2
02
1
Ma
rch
20
, 2
02
1
Marc
h 2
1,
2021
Marc
h 2
2,
2021
Ma
rch
23
, 2
02
1
Ma
rch
24
, 2
02
1
Marc
h 2
5,
2021
Ma
rch
26
, 2
02
1
Ma
rch
27
, 2
02
1
Marc
h 2
8,
2021
Ma
rch
29
, 2
02
1
Ma
rch
30
, 2
02
1
Marc
h 3
1,
2021
<49.9 Hz % 49.9 to 50.05 Hz % >50.05 Hz %
6. Voltage Profile.
6.1 Voltage Deviation Index [VDI] - 400 KV Substations for the month MARCH-2021.
Maximum Minimum < 380 KV 380-420 KV > 420 KVNo. of hours
below IEGC < 380 KV [i]
No. of hours above IEGC > 420 KV [ii]
KV KV % % % Hours Hours Hours
1 Khedamara 416 402 0.00 100.00 0.00 0.00 0.00 0.00 0.00
2 Jagdalpur 435 406 0.00 55.44 44.56 0.00 331.50 331.50 0.45
3 Korba West 424 415 0.00 76.61 23.39 0.00 174.00 174.00 0.23
4 KURUD 426 393 0.00 97.58 2.42 0.00 18.00 18.00 0.02
5 Marwa 427 410 0.00 29.23 70.77 0.00 526.53 526.53 0.71
6 Raita 425 403 0.00 94.62 5.38 0.00 40.00 40.00 0.05
6.2 Voltage Deviation Index [VDI] - 220 KV Substations for the month MARCH-2021.
Maximum Minimum < 198 KV 198-245 KV > 245 KVNo. of hours
below IEGC < 198 KV [i]
No. of hours above IEGC > 245 KV [ii]
KV KV % % % Hours Hours Hours
1 Banari 235 223 0.00 100.00 0.00 0.00 0.00 0 0.00
2 Barsoor 234 214 0.00 100.00 0.00 0.00 0.00 0 0.00
3 Bhilai 232 215 0.00 100.00 0.00 0.00 0.00 0 0.00
4 Bhatapara 230 213 0.00 100.00 0.00 0.00 0.00 0 0.00
5 BEMETARA 232 198 0.00 100.00 0.00 0.00 0.00 0 0.00
6 Churi 237 225 0.00 100.00 0.00 0.00 0.00 0 0.00
7 Doma 233 219 0.00 100.00 0.00 0.00 0.00 0 0.00
8 DSPM 237 227 0.00 100.00 0.00 0.00 0.00 0 0.00
9 Gurur 227 204 0.00 100.00 0.00 0.00 0.00 0 0.00
10 Jagdalpur 235 217 0.00 100.00 0.00 0.00 0.00 0 0.00
11 Korba East 236 228 0.00 100.00 0.00 0.00 0.00 0 0.00
12 Korba West 238 224 0.00 100.00 0.00 0.00 0.00 0 0.00
13 KURUD 229 202 0.00 100.00 0.00 0.00 0.00 0 0.00
14 MARWA 233 220 0.00 100.00 0.00 0.00 0.00 0 0.00
15 Mopka 241 222 0.00 100.00 0.00 0.00 0.00 0 0.00
16 Paraswani 230 201 0.00 100.00 0.00 0.00 0.00 0 0.00
17 Raita 233 220 0.00 100.00 0.00 0.00 0.00 0 0.00
18 Siltara 230 218 0.00 100.00 0.00 0.00 0.00 0 0.00
19 SARAIPALI 238 198 0.00 100.00 0.00 0.00 0.00 0 0.00
Total No. of hours out of IEGC range (HH:MM) [iii = I + ii]
VDI = [iii] / Total No. of hours in a
week.
S.No.Sub station
name
Voltage (in Volts) Voltage (in % time) Voltage (in time)
Total No. of
hours out of IEGC range (HH:MM) [iii = I + ii]
VDI = [iii] / Total No. of hours in a
month.
Sub station name
S.No.
Voltage (in Volts) Voltage (in % time) Voltage (in time)
NOTE :- 1 . (a)
(b)
(c)
2% of Time of Occurance of 400 KV & 220 KV Bus is calculated only for the duration when the supply was there and healthy
data of voltage was available
Voltage of 220 KV Bus at 220 KVS/S Churi was not proper during the period from 01.3.21 to 04.3.2021 upto 14:45 hrs & also intermittently during other dates.
Voltage of 220 KV Bus at 220 KVS/S Bemetara was not proper during the days 27.03.21,28.03.21 & 30.03.21.
Voltage of 220 KV Bus at 220 KVS/S Saraipali was not proper during the period from 19.3.21 to 31.3.2021 .
Figure-12: Voltage Profile of 400 KV Substations for the month of MAR-21.
Figure-13: Voltage Profile of 400 KV Substations for the month of MAR-21.
370
380
390
400
410
420
430
01
-03
-20
21
…
01
-03
-20
21
…
02
-03
-20
21
…
03
-03
-20
21
…
04
-03
-20
21
…
05
-03
-20
21
…
05
-03
-20
21
…
06
-03
-20
21
…
07
-03
-20
21
…
08
-03
-20
21
…
09
-03
-20
21
…
10
-03
-20
21
…
10
-03
-20
21
…
11
-03
-20
21
…
12
-03
-20
21
…
13
-03
-20
21
…
14
-03
-20
21
…
14
-03
-20
21
…
15
-03
-20
21
…
16
-03
-20
21
…
17
-03
-20
21
…
18
-03
-20
21
…
19
-03
-20
21
…
19
-03
-20
21
…
20
-03
-20
21
…
21
-03
-20
21
…
22
-03
-20
21
…
23
-03
-20
21
…
24
-03
-20
21
…
24
-03
-20
21
…
25
-03
-20
21
…
26
-03
-20
21
…
27
-03
-20
21
…
28
-03
-20
21
…
28
-03
-20
21
…
29
-03
-20
21
…
30
-03
-20
21
…
31
-03
-20
21
…
Khedamara
Raita
VOLTAGE PROFILE OF 400 KV S/S : MAR'2021
370
380
390
400
410
420
430
01
-03
-20
21
…
01
-03
-20
21
…
02
-03
-20
21
…
03
-03
-20
21
…
04
-03
-20
21
…
05
-03
-20
21
…
05
-03
-20
21
…
06
-03
-20
21
…
07
-03
-20
21
…
08
-03
-20
21
…
09
-03
-20
21
…
10
-03
-20
21
…
10
-03
-20
21
…
11
-03
-20
21
…
12
-03
-20
21
…
13
-03
-20
21
…
14
-03
-20
21
…
14
-03
-20
21
…
15
-03
-20
21
…
16
-03
-20
21
…
17
-03
-20
21
…
18
-03
-20
21
…
19
-03
-20
21
…
19
-03
-20
21
…
20
-03
-20
21
…
21
-03
-20
21
…
22
-03
-20
21
…
23
-03
-20
21
…
24
-03
-20
21
…
24
-03
-20
21
…
25
-03
-20
21
…
26
-03
-20
21
…
27
-03
-20
21
…
28
-03
-20
21
…
28
-03
-20
21
…
29
-03
-20
21
…
30
-03
-20
21
…
31
-03
-20
21
…
Korba West Marwa
VOLTAGE PROFILE OF 400 KV S/S : MAR'2021
Figure-14: Voltage Profile of 400 KV Substations for the month of MAR-21.
Figure-15: Voltage Profile of 220 KV Substations for the month of MAR-21.
370
380
390
400
410
420
430
440
01
-03
-20
21
…
01
-03
-20
21
…
02
-03
-20
21
…
03
-03
-20
21
…
04
-03
-20
21
…
05
-03
-20
21
…
05
-03
-20
21
…
06
-03
-20
21
…
07
-03
-20
21
…
08
-03
-20
21
…
09
-03
-20
21
…
10
-03
-20
21
…
10
-03
-20
21
…
11
-03
-20
21
…
12
-03
-20
21
…
13
-03
-20
21
…
14
-03
-20
21
…
14
-03
-20
21
…
15
-03
-20
21
…
16
-03
-20
21
…
17
-03
-20
21
…
18
-03
-20
21
…
19
-03
-20
21
…
19
-03
-20
21
…
20
-03
-20
21
…
21
-03
-20
21
…
22
-03
-20
21
…
23
-03
-20
21
…
24
-03
-20
21
…
24
-03
-20
21
…
25
-03
-20
21
…
26
-03
-20
21
…
27
-03
-20
21
…
28
-03
-20
21
…
28
-03
-20
21
…
29
-03
-20
21
…
30
-03
-20
21
…
31
-03
-20
21
…
Jagdalpur
Kurud
VOLTAGE PROFILE OF 400 KV S/S : MAR'2021
195
200
205
210
215
220
225
230
235
240
245
250
01
-03
-20
21
…
01
-03
-20
21
…
02
-03
-20
21
…
03
-03
-20
21
…
04
-03
-20
21
…
05
-03
-20
21
…
05
-03
-20
21
…
06
-03
-20
21
…
07
-03
-20
21
…
08
-03
-20
21
…
09
-03
-20
21
…
10
-03
-20
21
…
10
-03
-20
21
…
11
-03
-20
21
…
12
-03
-20
21
…
13
-03
-20
21
…
14
-03
-20
21
…
14
-03
-20
21
…
15
-03
-20
21
…
16
-03
-20
21
…
17
-03
-20
21
…
18
-03
-20
21
…
19
-03
-20
21
…
19
-03
-20
21
…
20
-03
-20
21
…
21
-03
-20
21
…
22
-03
-20
21
…
23
-03
-20
21
…
24
-03
-20
21
…
24
-03
-20
21
…
25
-03
-20
21
…
26
-03
-20
21
…
27
-03
-20
21
…
28
-03
-20
21
…
28
-03
-20
21
…
29
-03
-20
21
…
30
-03
-20
21
…
31
-03
-20
21
…
Banari
Khedamara
Barsoor
VOLTAGE PROFILE OF 220 KV S/S :MAR' 2021
Figure-16: Voltage Profile of 220 KV Substations for the month of MAR-21.
Figure-17: Voltage Profile of 220 KV Substations for the month of MAR-21.
190
195
200
205
210
215
220
225
230
235
240
245
250
01
-03
-20
21
…
01
-03
-20
21
…
02
-03
-20
21
…
03
-03
-20
21
…
04
-03
-20
21
…
05
-03
-20
21
…
05
-03
-20
21
…
06
-03
-20
21
…
07
-03
-20
21
…
08
-03
-20
21
…
09
-03
-20
21
…
10
-03
-20
21
…
10
-03
-20
21
…
11
-03
-20
21
…
12
-03
-20
21
…
13
-03
-20
21
…
14
-03
-20
21
…
14
-03
-20
21
…
15
-03
-20
21
…
16
-03
-20
21
…
17
-03
-20
21
…
18
-03
-20
21
…
19
-03
-20
21
…
19
-03
-20
21
…
20
-03
-20
21
…
21
-03
-20
21
…
22
-03
-20
21
…
23
-03
-20
21
…
24
-03
-20
21
…
24
-03
-20
21
…
25
-03
-20
21
…
26
-03
-20
21
…
27
-03
-20
21
…
28
-03
-20
21
…
28
-03
-20
21
…
29
-03
-20
21
…
30
-03
-20
21
…
31
-03
-20
21
…
Bhatapara
Bemeatara
Chhuri
Doma
VOLTAGE PROFILE OF 220 KV S/S : MAR'2021
190
195
200
205
210
215
220
225
230
235
240
245
250
01
-03
-20
21
…
01
-03
-20
21
…
02
-03
-20
21
…
03
-03
-20
21
…
04
-03
-20
21
…
05
-03
-20
21
…
05
-03
-20
21
…
06
-03
-20
21
…
07
-03
-20
21
…
08
-03
-20
21
…
09
-03
-20
21
…
10
-03
-20
21
…
10
-03
-20
21
…
11
-03
-20
21
…
12
-03
-20
21
…
13
-03
-20
21
…
14
-03
-20
21
…
14
-03
-20
21
…
15
-03
-20
21
…
16
-03
-20
21
…
17
-03
-20
21
…
18
-03
-20
21
…
19
-03
-20
21
…
19
-03
-20
21
…
20
-03
-20
21
…
21
-03
-20
21
…
22
-03
-20
21
…
23
-03
-20
21
…
24
-03
-20
21
…
24
-03
-20
21
…
25
-03
-20
21
…
26
-03
-20
21
…
27
-03
-20
21
…
28
-03
-20
21
…
28
-03
-20
21
…
29
-03
-20
21
…
30
-03
-20
21
…
31
-03
-20
21
…
DSPM
Gurur
Jagdalpur
Korba East
VOLTAGE PROFILE OF 220 KV S/S : MAR'2021
Figure-18: Voltage Profile of 220 KV Substations for the month of MAR-21
Figure-19: Voltage Profile of 220 KV Substations for the month of MAR-21.
190
195
200
205
210
215
220
225
230
235
240
245
250
01
-03
-20
21
…
01
-03
-20
21
…
02
-03
-20
21
…
03
-03
-20
21
…
04
-03
-20
21
…
05
-03
-20
21
…
06
-03
-20
21
…
06
-03
-20
21
…
07
-03
-20
21
…
08
-03
-20
21
…
09
-03
-20
21
…
10
-03
-20
21
…
11
-03
-20
21
…
11
-03
-20
21
…
12
-03
-20
21
…
13
-03
-20
21
…
14
-03
-20
21
…
15
-03
-20
21
…
16
-03
-20
21
…
17
-03
-20
21
…
17
-03
-20
21
…
18
-03
-20
21
…
19
-03
-20
21
…
20
-03
-20
21
…
21
-03
-20
21
…
22
-03
-20
21
…
22
-03
-20
21
…
23
-03
-20
21
…
24
-03
-20
21
…
25
-03
-20
21
…
26
-03
-20
21
…
27
-03
-20
21
…
28
-03
-20
21
…
28
-03
-20
21
…
29
-03
-20
21
…
30
-03
-20
21
…
31
-03
-20
21
…
Korba West
Kurud
Marwa
Mopka
VOLTAGE PROFILE OF 220 KV S/S : MAR'2021
190
195
200
205
210
215
220
225
230
235
240
245
250
01
-03
-20
21
…
01
-03
-20
21
…
02
-03
-20
21
…
03
-03
-20
21
…
04
-03
-20
21
…
05
-03
-20
21
…
06
-03
-20
21
…
07
-03
-20
21
…
07
-03
-20
21
…
08
-03
-20
21
…
09
-03
-20
21
…
10
-03
-20
21
…
11
-03
-20
21
…
12
-03
-20
21
…
13
-03
-20
21
…
13
-03
-20
21
…
14
-03
-20
21
…
15
-03
-20
21
…
16
-03
-20
21
…
17
-03
-20
21
…
18
-03
-20
21
…
19
-03
-20
21
…
20
-03
-20
21
…
20
-03
-20
21
…
21
-03
-20
21
…
22
-03
-20
21
…
23
-03
-20
21
…
24
-03
-20
21
…
25
-03
-20
21
…
26
-03
-20
21
…
26
-03
-20
21
…
27
-03
-20
21
…
28
-03
-20
21
…
29
-03
-20
21
…
30
-03
-20
21
…
31
-03
-20
21
…
Parasawani
Raita
Siltara
Saraipali
VOLTAGE PROFILE OF 220 KV S/S : MAR'2021
7 Addition of new grid elements during MARCH-2021.
DATE TIME [Hrs:Min] NAME OF SUB STATION NAME OF CHARGED EQUIPMENTS & LINES REMARKS
23-Mar-21 17:15 132 KV GENDPUR S/S 40 MVA X-MER II FIRST TIME CHARGED
23-Mar-21 19:19 132 KV DOMA S/S 132 KV DOMA-PATAN CKT-II FIRST TIME CHARGED
26-Mar-21 18:58 132 KV DHAMDHA S/S 132 KV DHAMDHA-SAJA CKT-II FIRST TIME CHARGED
27-Mar-21 14:58 132 KV SHEORINARAYAN S/S 40 MVA X-MER II FIRST TIME CHARGED
8. Units Decommissioned.
Capacity [MW] Withdrawn fromUnit
NIL
Station Unit #Installed
Capacity (In MW)
No. of Outages Outage Date & Time Syn. Date & TimeOutage
(HH:MM)Generation Loss
(In Mu)Reason
1 210 1 19/12/20 23:55 16/03/21 19:10 2083:15:00 437.482 AOH
2 210 0 NIL NIL - -
3 210 0 NIL NIL - -
4 210 0 NIL NIL - -
5 500 0 NIL NIL - -
1 250 1 21/02/21 23:51 04/03/21 23:48 263:57:00 65.9875 OVERHAULING
2 250 0 NIL NIL - -
1 500 0 NIL NIL - -
2 500 0 NIL NIL - -
Total 2840 2 503.47
Station Unit #Installed
Capacity (In
MW)
No. of Outages Outage Date & Time Syn. Date & TimeOutage
(hh::mm:ss)Generation Loss
(In Mu)Reason
17/03/21 16:24 17/03/21 19:30 3:06:00 0.651 DUE TO FLAM FAILURE
19/03/21 20:55 27/03/21 01:20 172:25:00 36.207 BTL
28/03/21 03:55 28/03/21 11:30 7:35:00 1.592AIR FLOW LESS THEN 50
%
01/03/21 05:03 03/03/21 21:42 64:39:00 13.5765 BTL
14/03/21 21:18 16/03/21 15:29 42:11:00 8.859 PROBLEM IN ID FAN
23/03/21 18:31 23/03/21 22:43 4:12:00 0.882BTL
24/03/21 22:46 24/03/21 23:38 0:52:00 0.182 FLAME FAILURE
24/03/21 23:48 25/03/21 01:03 1:15:00 0.262 FLAME FAILURE
25/03/21 01:05 25/03/21 02:49 1:44:00 0.364FLAME FAILURE
30/03/21 07:05 31/03/21 00:59 17:54:00 3.759 BTL
2
HTPS
210 7
9. Planned Outages Of Generating Stations For The Month Of MARCH-2021.
HTPS
DSPM TPS
ABVTPS
10. Forced Outages Of State Generating Stations For The Month Of MARCH-2021.
210 31
Station Unit #Installed
Capacity (In MW)
No. of Outages Outage Date & Time Syn. Date & TimeOutage
(hh::mm:ss)Generation Loss
(In Mu)Reason
3 210 1 17/03/21 19:51 26/03/21 01:07 197:16:00 41.426 BTL
03/03/21 08:36 04/03/21 01:39 17:03:00 3.5805 BTL
26/03/21 01:37 27/03/21 09:37 32:00:00 6.72BTL
19/03/21 11:29 21/03/21 02:51 39:22:00 19.683PROBLEM IN WATER FEED
PUMP
30/03/21 16:39 30/03/21 18:24 1:45:00 0.875 LOSS OF FUEL
1 250 - - - - -
2 250 1 27/03/21 12:26 28/03/21 00:24 11:58:00 2.992AIR HEATER 2B MOTOR
ALIGNMENT WORK
1 500 1 10/03/21 16:57 11/03/21 13:02 0.837 10.042DUE TO ELECTRICAL
PROTECTION OPERATED
2 500 1 10/03/21 16:57 12/03/21 19:32 2.108 25.292DUE TO ELECTRICAL
PROTECTION OPERATED
Total 2840 18 685:57 176.945
4 2
5
HTPS
500 2
210
ABVTPS
DSPM TPS
S. No.
DateVoltage
Level [KV]Name of the Transmission Elements
From [
(mm/dd/yy) hh:mm ]
To
[ (mm/dd/yy) hh:mm
]
Outage
Hours
(hh:mm)
1 04-Mar-21 400 315 MVA ICT No.I AT 400 KV S/S JAGDALPUR 09:31 17:01 7:30:00
2 05-Mar-21 400 400KV BHILAI - RAITA CKT. NO. I 9:05 19:19 10:14:00
3 05-Mar-21 400 315MVA ICT. NO. I AT 400KV S/S JAGDALPUR 9:31 17:09 7:38:00
4 09-Mar-21 400 400 KV BHILAI - KORADI CKT 09/03/21 10:30 10/03/21 00:30 14:00:00
5 18-Mar-21 400 400 KV KWB - RAITA CKT NO. II 11:40 18:11 6:31:00
6 19-Mar-21 400 400 KV BHILAI - KORADI CKT 19/03/21 02:43 19/03/21 15:43 13:00:00
7 19-Mar-21 400 400 KV TRANSFER BUS AT 400 KV S/S KWB 19/03/21 16:02 20/03/21 12:22 20:20:00
8 20-Mar-21 400 400 KV BHILAI - BHADRAWATI CKT 20/03/21 09:02 22/03/21 20:16 59:14:00
9 23-Mar-21 400 400 KV KW - BHILAI CKT 12:52 20:32 7:40:00
10 25-Mar-21 400 400 KV JAGDALPUR ICT NO. II 11:06 17:01 5:55:00
11 26-Mar-21 400 400 KV JAGDALPUR ICT NO. II 12:47 16:15 3:28:00
12 30-Mar-21 400 315MVA ICT NO. II AT 400KV S/S KHEDAMARA 13:18 18:07 4:49:00
13 02-Mar-21 220 220 KV THELKADIH - BHILAI CKT NO. II 02/03/21 10:05 03/03/21 12:59 26:54:00
14 02-Mar-21 220 220 KV SUHELA - PARASWANI CKT NO. II 12:51 15:20 2:29:00
15 02-Mar-21 220 160 MVA X-MER NO. I AT 220 KV S/S GURUR 15:52 18:55 3:03:00
16 03-Mar-21 220 160 MVA XMER No.II AT 220 KV S/S SILTARA 11:19 16:14 4:55:00
17 04-Mar-21 220 220 KV MARWA - BANARI CKT No.I 09:39 18:15 8:36:00
18 04-Mar-21 220 220 KV DSPM - BANARI CKT 18:35 20:42 2:07:00
19 05-Mar-21 220 160MVA AUTO Xmer NO. II AT KEB 14:57 20:38 5:41:00
20 08-Mar-21 220 220 KV KE - RAIGARH CKT 08/03/21 10:10 09/03/21 18:44 32:34:00
21 08-Mar-21 220 220 KV DHARDEHI - BHATAPARA CKT 10:00 17:48 7:48:00
22 08-Mar-21 220 160 MVA X-MER AT 220 KV S/S GERWANI 12:52 14:40 1:48:00
23 08-Mar-21 220 160 MVA X-MER NO. II AT 220 KV S/S DOMA 13:14 18:31 5:17:00
24 08-Mar-21 220 160 MVA X-MER NO. II AT 220 KV S/S MOPKA 14:14 15:04 0:50:00
25 09-Mar-21 220 220 KV PGCIL RAIPUR - BHATAPARA 10:21 21:27 11:06:00
26 09-Mar-21 220 220 KV RAIGARH - GERWANI CKT NO. II 10:53 18:00 7:07:00
27 09-Mar-21 220 220 KV RAIGARH - GERWANI CKT NO. I 10:55 17:56 7:01:00
28 09-Mar-21 220 220 KV SUHELA - PARASWANI CKT NO. II 13:20 15:51 2:31:00
29 10-Mar-21 220 220 KV BHATAPARA - SUHELA CKT 10:06 13:40 3:34:00
11. Shutdown of Transmission Elements in MARCH-2021.
400 KV
220 KV
S. No.
DateVoltage
Level [KV]Name of the Transmission Elements
From [
(mm/dd/yy) hh:mm ]
To
[ (mm/dd/yy) hh:mm
]
Outage
Hours
(hh:mm)
11. Shutdown of Transmission Elements in MARCH-2021.
30 10-Mar-21 220 220 KV RAIGARH - GERWANI CKT NO. I 11:05 18:45 7:40:00
31 10-Mar-21 220 220 KV RAIGARH - GERWANI CKT NO. I I 11:05 18:50 7:45:00
32 11-Mar-21 220 220 KV PGCIL BHATAPARA - BHATAPARA CKT 10:47 17:51 7:04:00
33 15-Mar-21 220 3X40 MVA X-MER AT 220 KV S/S BARSOOR 12:10 19:46 7:36:00
34 16-Mar-21 220 160 MVA X-MER NO. II AT 220 KV S/S BANARI 11:59 17:23 5:24:00
35 17-Mar-21 220 220 KV MAIN BAY OF KE - DSPM CKT 10:48 16:25 5:37:00
36 18-Mar-21 220 220 KV BHILAI - PG RAIPUR CKT 12:35 15:55 3:20:00
37 18-Mar-21 220 220 KV KE - DHARDEHI CKT 13:54 19:10 5:16:00
38 20-Mar-21 220 125 MVA XMER No.III AT 220 KV S/S BHILAI 08:38 15:43 7:05:00
39 20-Mar-21 220 160 MVA XMER No.I AT 220 KV S/S RAIGARH 11:05 17:25 6:20:00
40 20-Mar-21 220 220 KV PGCIL - DOMA CKT No.I 11:29 18:37 7:08:00
41 24-Mar-21 220 160 MVA X-MER NO. II AT 220 KV S/S KUTHREL 10:35 12:34 1:59:00
42 25-Mar-21 220 220 KV SUHELA - PARASWANI CKT NO. I 12:24 14:59 2:35:00
43 26-Mar-21 220 220 KV CHHURI - KOTMIKALA CKT NO. II 11:05 16:27 5:22:00
44 27-Mar-21 220 160 MVA XMER No.I AT 220 KV S/S BORJHARA 10:23 18:03 7:40:00
45 31-Mar-21 220 220 KV MOPKA - CHHURI CKT NO. II 09:00 12:07 3:07:00
46 01-Mar-21 132 63 MVA X-MER NO. II AT 132 KV S/S KUHERA 12:37 14:22 1:45:00
47 01-Mar-21 132 132 KV DALLIRAJHARA - GURUR CKT 12:25 13:42 1:17:00
48 02-Mar-21 132 132 KV CHHURI - GEVRA CKT NO. I 12:33 15:45 3:12:00
49 02-Mar-21 132 132 KV GHARGHODA - PATHALGAON CKT 12:56 15:16 2:20:00
50 02-Mar-21 132 40 MVA X-MER NO. I AT 132 KV S/S MUNGELI 15:42 16:26 0:44:00
51 03-Mar-21 132 40 MVA XMER No.I AT 132 KV S/S DHAMDHA 10:21 15:31 5:10:00
52 03-Mar-21 132 40 MVA XMER No.I AT 220 KV S/S URLA 03/03/21 10:40 05/03/21 18:20 55:40:00
53 03-Mar-21 132 40 MVA XMER No.II AT 132 KV S/S BILASPUR 12:08 13:09 1:01:00
54 03-Mar-21 132 40 MVA XMER No.II AT 132 KV S/S MAHASAMUND 11:15 13:10 1:55:00
55 04-Mar-21 132 40 MVA XMER No.I AT 132 KV S/S SIMGA 10:02 16:50 6:48:00
56 04-Mar-21 132 40 MVA XMER No.I AT 132 KV S/S JAGDALPUR 24/02/21 11:37 04/03/21 18:42 199:05:00
57 05-Mar-21 132 132KV GERWANI - GHARGHODA CKT. NO. I 10:00 18:10 8:10:00
58 05-Mar-21 132 40MVA Xmer NO. II AT 132KV S/S DHAMDHA 10:08 15:49 5:41:00
59 05-Mar-21 132 40MVA Xmer NO. III AT 132KV S/S BILASPUR 10:55 13:00 2:05:00
132 KV
S. No.
DateVoltage
Level [KV]Name of the Transmission Elements
From [
(mm/dd/yy) hh:mm ]
To
[ (mm/dd/yy) hh:mm
]
Outage
Hours
(hh:mm)
11. Shutdown of Transmission Elements in MARCH-2021.
60 06-Mar-21 132 132KV SIMGA - CHAKARBHATA CKT. 9:40 14:08 4:28:00
61 06-Mar-21 132 132KV TULSI - SIMGA CKT. 10:04 15:05 5:01:00
62 06-Mar-21 132 132KV SIMGA - PATHARIYA CKT. 10:10 14:04 3:54:00
63 06-Mar-21 132 132KV BHILAI - BORJHARA - GUDIYARI CKT. 12:01 17:36 5:35:00
64 06-Mar-21 132 132KV MAIN BUS NO. II AT 220KV S/S BHILAI 13:00 16:47 3:47:00
65 07-Mar-21 132 40 MVA X-MER NO. I AT 132 KV S/S BHILAI 10:12 15:58 5:46:00
66 07-Mar-21 132132 KV MAIN BUS AT 132 KV S/S
MANENDRAGARH10:40 13:09 2:29:00
67 08-Mar-21 132 132 KV URLA - SECTOR 'C' CKT 22:56 23:00 0:04:00
68 08-Mar-21 132 132 KV URLA - SECTOR 'A' CKT 08/03/21 13:24 10/03/21 18:08 52:44:00
69 09-Mar-21 132 40 MVA X-MER AT 220 KV S/S BARSOOR 10:11 12:07 1:56:00
70 09-Mar-21 132 132 KV RAJIM - KURUD CKT 12:17 15:54 3:37:00
71 09-Mar-21 132 132 KV RAJIM - MAGARLOAD CKT 12:37 15:53 3:16:00
72 09-Mar-21 132 132 KV MAHASAMUND - KUHERA CKT 12:37 16:01 3:24:00
73 09-Mar-21 132 132 KV SARAIPALI - SARANGARH CKT NO. I 13:01 16:09 3:08:00
74 09-Mar-21 132 132 KV SARAIPALI - SARANGARH CKT NO. I I 13:02 16:08 3:06:00
75 09-Mar-21 132 132 KV JHALAP - PARASWANI CKT 13:12 15:58 2:46:00
76 09-Mar-21 132 132 KV JHALAP - BAGBAHARA CKT 13:20 15:59 2:39:00
77 10-Mar-21 132 132 KV SILTARA - SEML CKT 10:40 19:16 8:36:00
78 10-Mar-21 132 132 KV AKALTARA - KVK CKT 11:00 13:40 2:40:00
79 11-Mar-21 132 63 MVA XMER AT 132 KV S/S RUABANDHA 10:46 12:45 1:59:00
80 12-Mar-21 132 40 MVA XMER No.I AT 132 KV S/S MUNGELI 10:03 19:17 9:14:00
81 12-Mar-21 132 132 KV URLA - Bajrang Power CKT 12/03/21 10:46 13/03/21 19:32 32:46:00
82 13-Mar-21 132 132KV MAIN BUS AT 220KV S/S GENDPUR 9:58 12:22 2:24:00
83 13-Mar-21 132 33KV MAIN BUS AT 220KV S/S GENDPUR 9:52 12:25 2:33:00
84 13-Mar-21 132 132KV RAIGARH - ADBHAR CKT. 13:21 15:18 1:57:00
85 13-Mar-21 132 132KV CHAMPA - CHAPLE CKT. 13:25 15:17 1:52:00
86 15-Mar-21 132 132 KV MAIN BUS AT 132 KV S/S PATAN 10:30 13:15 2:45:00
87 15-Mar-21 132 132 KV DOMA - PATAN CKT 11:18 13:14 1:56:00
88 15-Mar-21 132 132 KV BALODA BAZAR - NUVOCO CKT 10:31 13:19 2:48:00
89 15-Mar-21 132 20 MVA X-MER AT 220 KV S/S KOTMIKALA 12:11 CONTD. -
90 16-Mar-21 132 132 KV ADBHAR RLY TRACTION NO. I 12:56 14:31 1:35:00
S. No.
DateVoltage
Level [KV]Name of the Transmission Elements
From [
(mm/dd/yy) hh:mm ]
To
[ (mm/dd/yy) hh:mm
]
Outage
Hours
(hh:mm)
11. Shutdown of Transmission Elements in MARCH-2021.
91 16-Mar-21 132 132 KV CHAPLE RLY TRACTION NO. II 13:12 14:30 1:18:00
92 16-Mar-21 132 132 KV RAIGARH - CHAPLE CKT 14:55 17:12 2:17:00
93 17-Mar-21 132 132 KV BHILAI - RASMADA CKT 17/03/21 10:06 18/03/21 15:13 29:07:00
94 17-Mar-21 132 40 MVA X-MER NO. I AT 220 KV S/S SILTARA 11:23 17:24 6:01:00
95 17-Mar-21 132 132 KV RAIGARH - KODATARAI CKT 12:51 15:33 2:42:00
96 19-Mar-21 132 132 KV JHALAP - SANKARA CKT 10:04 14:10 4:06:00
97 19-Mar-21 132 40 MVA XMER No.I AT 132 KV S/S BALODA BAZAR 11:07 12:37 1:30:00
98 19-Mar-21 132 132 KV SARANGARH - SARAIPALI CKT No.I 12:00 19:37 7:37:00
99 19-Mar-21 132 40 MVA XMER No.III AT 132 KV S/S JAGDALPUR 14:28 17:14 2:46:00
100 20-Mar-21 132 132 KV BHILAI - PULGAON CKT 13:21 18:24 5:03:00
101 21-Mar-21 132 132KV MAIN BUS AT S/S AMBIKAPUR 9:02 12:50 3:48:00
102 21-Mar-21 132 40MVA Xmer NO. III AT 132KV S/S BHILAI 10:17 12:52 2:35:00
103 21-Mar-21 132 40MVA Xmer NO. II AT 132KV S/S BHILAI 12:54 16:25 3:31:00
104 22-Mar-21 132 132KV MAIN BUS NO. I AT 220KV S/S BHILAI 22/03/21 12:54 26/03/21 17:43 100:49:00
105 22-Mar-21 132 132KV SUHELA - ULTRA TECH CKT. 13:57 16:20 2:23:00
106 23-Mar-21 132 132 KV BHILAI - SARONA CKT 09:45 18:17 8:32:00
107 23-Mar-21 132 132 KV MAIN BUS AT 132 KV S/S PATAN 10:00 17:04 7:04:00
108 23-Mar-21 132 132 KV DOMA - PATAN CKT 10:04 16:55 6:51:00
109 23-Mar-21 132 40 MVA X-MER NO. II AT 220 KV S/S GENDPUR 13:57 15:05 1:08:00
110 23-Mar-21 132 20 MVA X-MER AT 220 KV S/S KOTMIKALA 15/03/21 12:11 23/03/21 14:58 194:47:00
111 23-Mar-21 132 132 KV URLA - BORJHARA CKT 16:04 17:39 1:35:00
112 24-Mar-21 132 132 KV GHARGHODA - MAHAVEER CKT 10:02 15:05 5:03:00
113 24-Mar-21 132 33 KV MAIN BUS SECTION NO. I AT BISHRAMPUR 10:10 12:00 1:50:00
114 24-Mar-21 132 132 KV SARANGARH - BARAMKELA CKT 11:26 17:39 6:13:00
115 24-Mar-21 132 132 KV BHATAPARA - SIMGA CKT CKT NO. II 17:54 19:26 1:32:00
116 25-Mar-21 132132 KV MAIN BUS - I & 132 KV PULGAON CKT AT
220 KV S/S BHILAI10:54 18:35 7:41:00
117 25-Mar-21 132 132 KV BHATAPARA - SIMGA CKT NO. I 17:01 17:58 0:57:00
118 26-Mar-21 132 132 KV BHILAI - PULGAON CKT 09:34 18:05 8:31:00
119 26-Mar-21 132 132 KV MAIN BUS AT 132 KV S/S SEORINARAYAN 11:00 13:12 2:12:00
120 26-Mar-21 132 33 KV MAIN BUS AT 132 KV S/S PANDARIYA 12:01 14:10 2:09:00
121 27-Mar-21 132 40 MVA XMER AT 220 KV S/S BANARI 09:22 11:49 2:27:00
S. No.
DateVoltage
Level [KV]Name of the Transmission Elements
From [
(mm/dd/yy) hh:mm ]
To
[ (mm/dd/yy) hh:mm
]
Outage
Hours
(hh:mm)
11. Shutdown of Transmission Elements in MARCH-2021.
122 27-Mar-21 132 RLY TRACTION No.I AT 132 KV S/S RAIGARH 10:56 13:13 2:17:00
123 27-Mar-21 132 132 KV KONI - MOPKA CKT 11:45 12:53 1:08:00
124 28-Mar-21 132132 KV URLA ( SECTOR - A) - HERE FERRO
ALLOYS CKT08:50 14:26 5:36:00
125 28-Mar-21 132 40 MVA XMER No.I AT 132 KV S/S BAGBEHERA 20:00 21:37 1:37:00
126 31-Mar-21 13240MVA Xmer NO. II AT 132KV S/S
BHANUPRATAPPUR10:15 18:30 8:15:00
S. No. DateVoltage
Level [KV]Name of the Transmission Elements
From [
(mm/dd/yy) hh:mm ]
To
[ (mm/dd/yy) hh:mm
]
Outage
Hours
(hh:mm)
1 06-Mar-21 400 400KV BHILAI - KORADI CKT. 13:11 13:35 0:24:00
2 10-Mar-21 400 400 KV MARWA - KW EXT. CKT 16:57 17:45 0:48:00
3 10-Mar-21 400 400 KV MARWA - BHILAI CKT 16:57 18:04 1:07:00
4 10-Mar-21 400 400 KV MARWA - RAITA CKT NO. I 16:57 18:14 1:17:00
5 10-Mar-21 400 400 KV MARWA - RAITA CKT NO. II 10/03/21 16:57 12/03/21 21:57 53:00:00
6 10-Mar-21 400 315 MVA ICT AT MARWA 16:57 17:27 0:30:00
7 12-Mar-21 400 400 KV KW - RAITA CKT 22:21 23:19 0:58:00
8 18-Mar-21 400 400 KV KW - RAITA CKT 18:19 18:57 0:38:00
9 18-Mar-21 400 400 KV BHILAI - KORADI CKT 18/03/21 15:43 19/03/21 02:43 11:00:00
10 24-Mar-21 400 500 MVA ICT AT 400 KV S/S KWB 24/03/21 17:52 27/03/21 17:09 71:17:00
11 29-Mar-21 400 400KV KHEDAMARA - KORBA ( W ) EXT. CKT. 15:14 16:15 1:01:00
12 01-Mar-21 220 220 KV GURUR - BHILAI CKT 13:27 13:38 0:11:00
13 02-Mar-21 220 220 KV SUHELA - PARASWANI CKT NO. II 03:28 03:41 0:13:00
14 02-Mar-21 220 220 KV SUHELA - PARASWANI CKT NO. II 05:19 05:30 0:11:00
15 04-Mar-21 220 220 KV CHHURI - BISHRAMPUR CKT No.I 06:20 06:43 0:23:00
16 04-Mar-21 220 220 KV RAIGARH - CHAPLE CKT 21:23 21:44 0:21:00
17 05-Mar-21 220 220KV SUHELA - PARASWANI CKT. NO. II 21:08 21:16 0:08:00
18 06-Mar-21 220 220KV JAGDALPUR - NAGARNAR CKT.NO. I 10:41 10:50 0:09:00
19 06-Mar-21 220 220KV JAGDALPUR - NAGARNAR CKT.NO. II 10:41 10:51 0:10:00
20 09-Mar-21 220 220 KV SUHELA - PARASWANI CKT NO. II 22:33 22:47 0:14:00
21 10-Mar-21 220 220 KV KORBA WEST - MOPKA CKT 13:15 14:21 1:06:00
22 10-Mar-21 220 200 KV MARWA - BANARI CKT NO. I 16:57 17:16 0:19:00
23 10-Mar-21 220 220 KV MARWA - BANARI CKT NO. II 16:57 17:20 0:23:00
24 10-Mar-21 220 160 MVA X-MER NO. I AT S/S PARASWANI 23:31 23:44 0:13:00
25 10-Mar-21 220 160 MVA X-MER NO. I I AT S/S PARASWANI 10/03/21 23:31 11/03/21 00:04 0:33:00
26 11-Mar-21 220 220 KV GURUR - BARSOOR CKT 11/03/21 17:56 12/03/21 09:58 16:02:00
27 12-Mar-21 220 160 MVA XMER No.I AT 220 KV S/S PARASWANI 06:40 06:50 0:10:00
28 12-Mar-21 220 160 MVA XMER No.II AT 220 KV S/S PARASWANI 06:40 07:08 0:28:00
29 12-Mar-21 220 3X40 MVA XMER AT 220 KV S/S BARSOOR 12:00 23:44 11:44:00
30 12-Mar-21 220 220 KV KE - MOPKA CKT 14:09 14:42 0:33:00
31 12-Mar-21 220 220 KV GURUR - NARAYANPUR CKT 18:41 19:26 0:45:00
32 13-Mar-21 220 220KV MUNGELI - BEMETARA CKT. NO. I 1:41 2:35 0:54:00
33 13-Mar-21 220 220KV MUNGELI - BEMETARA CKT. NO. II 1:42 3:12 1:30:00
34 13-Mar-21 220 220KV GERWANI - JPL CKT. 1:52 2:40 0:48:00
35 14-Mar-21 220 220KV KWB - MOPKA CKT. 11:38 12:06 0:28:00
36 16-Mar-21 220 220 KV SUHELA - PARASWANI CKT NO. I 00:55 01:04 0:09:00
37 16-Mar-21 220 220 KV SUHELA - PARASWANI CKT NO. I 03:21 03:34 0:13:00
38 17-Mar-21 220 220 KV SUHELA - PARASWANI CKT NO. I 22:42 22:51 0:09:00
39 18-Mar-21 220 220 KV KORBA - BUDHIPADAR CKT NO. II 13:26 16:22 2:56:00
40 22-Mar-21 220 220KV SUHELA - PARASWANI CKT. NO. I 4:39 4:48 0:09:00
41 22-Mar-21 220 220KV KHEDAMARA - THELKADIH CKT NO. I 18:54 19:08 0:14:00
42 22-Mar-21 220 220KV KHEDAMARA - THELKADIH CKT NO. II 22/03/21 18:54 23/03/21 07:50 12:56:00
43 25-Mar-21 220 KW - BUS NO. II 25/03/21 09:45 27/03/21 16:20 6:35:00
12. Trippings in Transmission Elements in MARCH-2021.
400 KV
220 KV
12. Trippings in Transmission Elements in MARCH-2021.
44 27-Mar-21 220 220 KV SUHELA - PARASWANI CKT No.I 00:45 00:53 0:08:00
45 27-Mar-21 220 220 KV SUHELA - PARASWANI CKT No.I 02:57 03:05 0:08:00
46 28-Mar-21 220 220 KV SUHELA - PARASWANI CKT No.I 03:46 03:58 0:12:00
47 28-Mar-21 220 220 KV KE - BUDHIPADHAR CKT No.III 05:45 08:43 2:58:00
48 28-Mar-21 220 220 KV KW - MOPKA CKT 12:48 16:58 4:10:00
49 29-Mar-21 220 220KV CHHURI - MOPKA CKT.NO. II 12:34 19:43 7:09:00
50 30-Mar-21 220 220KV CHHURI - MOPKA CKT. NO. II 11:50 17:38 5:48:00
51 30-Mar-21 220 220KV CHHURI - KOTMIKALA CKT. NO. I 14:59 15:07 0:08:00
52 30-Mar-21 220 220KV CHHURI - KOTMIKALA CKT. NO. II 14:59 15:19 0:20:00
53 01-Mar-21 132 132 KV SIMGA - CHAKARBHATA CKT 19:02 19:16 0:14:00
54 01-Mar-21 132 132 KV BEMETARA - SIMGA CKT 19:01 19:18 0:17:00
55 02-Mar-21 132 132 KV DHAMDHA - PARAMPUJYA CKT NO. II 14:23 14:31 0:08:00
56 02-Mar-21 132 132 KV KUHERA - MAHASAMUND CKT 15:02 15:08 0:06:00
57 03-Mar-21 132 132 KV DHAMDHA - PARAMPUJYA CKT No.I 13:27 13:35 0:08:00
58 03-Mar-21 132 132 KV DHAMDHA - PARAMPUJYA CKT No.II 13:27 13:37 0:10:00
59 03-Mar-21 132 132 KV BALODA BAZAR - KASDOL CKT No.I 20:07 20:30 0:23:00
60 04-Mar-21 132 132 KV BASNA - JHALAP CKT 04:48 05:08 0:20:00
61 05-Mar-21 132 132KV DHAMDHA - PARAMPUJYA CKT. NO. II 12:02 12:08 0:06:00
62 05-Mar-21 132 63MVA Xmer & 132MVA Xmer AT S/S BIRGAON 15:10 15:24 0:14:00
63 05-Mar-21 132 63MVA Xmer AT 132KV S/S BIRGAON 16:31 16:40 0:09:00
64 06-Mar-21 132 132KV BHILAI - RASMADA CKT. 13:03 13:34 0:31:00
65 06-Mar-21 132 132KV BHILAI - PULGAON CKT. 13:03 13:38 0:35:00
66 07-Mar-21 132 132 KV RAIGARH - GERWANI CKT 07/03/21 16:50 08/03/21 08:52 16:02:00
67 07-Mar-21 132 132 KV GERWANI - GHARGHODA CKT NO. II 16:50 17:51 1:01:00
68 07-Mar-21 132 132 KV GERWANI - GHARGHODA CKT NO. I 16:50 17:41 0:51:00
69 08-Mar-21 132 132 KV PARASWANI RLY TRACTION NO. I 12:00 12:06 0:06:00
70 08-Mar-21 132 132 KV SIMGA - BEMETARA CKT 17:02 17:15 0:13:00
71 08-Mar-21 132 132 KV PARCHANPAL - KONDAGAON CKT 22:36 22:58 0:22:00
72 09-Mar-21 132 132 KV KUHERA - MAHASAMUND CKT 22:37 22:53 0:16:00
73 10-Mar-21 132 132 KV KUHERA - MAHASAMUND CKT 23:32 23:51 0:19:00
74 10-Mar-21 132 132 KV GURUR - KURUD CKT 23:31 23:40 0:09:00
75 10-Mar-21 132 132 KV SARAIPALI - BASNA CKT 23:32 23:46 0:14:00
76 10-Mar-21 132 132 KV JHALAP - BASNA CKT 23:32 23:46 0:14:00
77 10-Mar-21 132 132 KV S/S PARASWANI - MAHASAMUND CKT NO. I 23:31 23:53 0:22:00
78 10-Mar-21 132 132 KV S/S PARASWANI - MAHASAMUND CKT NO. I I 23:31 23:54 0:23:00
79 10-Mar-21 132 132 KV PARASWANI - RAJIM CKT NO. I 10/03/21 23:31 11/03/21 00:02 0:31:00
80 10-Mar-21 132 132 KV PARASWANI - RAJIM CKT NO. I I 10/03/21 23:31 11/03/21 00:03 0:32:00
81 10-Mar-21 132 132 KV PARASWANI - JHALAP CKT 10/03/21 23:31 11/03/21 00:07 0:36:00
82 10-Mar-21 132 132 KV PARASWANI - BAGBAHRA CKT 10/03/21 23:31 11/03/21 00:09 0:38:00
83 10-Mar-21 132 132 KV KURUD - DHAMTARI CKT 23:31 23:42 0:11:00
84 10-Mar-21 132 132 KV KURUD - RAJIM CKT 23:31 23:41 0:10:00
85 10-Mar-21 132 132 KV KURUD - MAGARLOAD CKT 23:31 23:42 0:11:00
86 10-Mar-21 132 132 KV KURUD - BHAKHARA CKT 23:31 23:43 0:12:00
87 10-Mar-21 132 132 KV MAGARLOAD - GARIYABAND CKT NO. I 23:31 23:44 0:13:00
88 10-Mar-21 132 132 KV MAGARLOAD - GARIYABAND CKT NO. II 23:31 23:44 0:13:00
89 10-Mar-21 132 132 KV SANKRA - JHALAP CKT 23:31 23:54 0:23:00
132 KV
12. Trippings in Transmission Elements in MARCH-2021.
90 10-Mar-21 132 132 KV JHALAP - BAGBEHRA CKT 23:31 23:50 0:19:00
91 12-Mar-21 132 132 KV KURUD - RAJIM CKT 06:40 06:45 0:05:00
92 12-Mar-21 132 132 KV JHALAP - SANKARA CKT 06:40 06:50 0:10:00
93 12-Mar-21 132 132 KV KUHERA - MAHASAMUND CKT 06:42 06:55 0:13:00
94 12-Mar-21 132 132 KV BASNA - JHALAP CKT 06:41 06:50 0:09:00
95 12-Mar-21 132 132 KV PARASWANI - MAHASAMUND CKT No.I 06:40 07:06 0:26:00
96 12-Mar-21 132 132 KV PARASWANI - MAHASAMUND CKT No.II 06:40 07:07 0:27:00
97 12-Mar-21 132 132 KV PARASWANI - JHALAP CKT 06:40 07:11 0:31:00
98 12-Mar-21 132 132 KV PARASWANI - BAGBEHRA CKT 06:40 07:07 0:27:00
99 12-Mar-21 132 132 KV PARASWANI - RAJIM CKT No.I 06:40 07:12 0:32:00
100 12-Mar-21 132 132 KV PARASWANI - RAJIM CKT No.II 06:40 07:28 0:48:00
101 12-Mar-21 132 RLY TRACTION No.I & II AT 132 KV S/S PARASWANI 06:40 06:53 0:13:00
102 12-Mar-21 132 40 MVA XMER No.I & II AT 132 KV S/S PARASWANI 06:52 07:01 0:09:00
103 12-Mar-21 132 132 KV JAGDALPUR - BARSOOR CKT No.II 19:47 20:07 0:20:00
104 13-Mar-21 132 40MVAXmer NO. I AT 132KV S/S BATOLI 6:02 9:17 3:15:00
105 13-Mar-21 132 40MVA Xmer NO. II AT 132KV S/S BARAMKELA 5:06 9:00 3:54:00
106 13-Mar-21 132 132KV BUS AT 220KV S/S URLA 17:18 17:37 0:19:00
107 14-Mar-21 132 132KV SILTARA - URLA - KACHNA CKT. NO. I 10:53 11:08 0:15:00
108 14-Mar-21 132 132KV SILTARA - KACHNA CKT. NO. II 10:53 11:34 0:41:00
109 14-Mar-21 132 132KV SIMGA - CENTURI CEMENT CKT. 11:06 11:24 0:18:00
110 15-Mar-21 132 132 KV KONDATARAI - DABHARA CKT NO. II 03:10 03:47 0:37:00
111 15-Mar-21 132 132 KV SIMGA - BERLA CKT 06:03 06:18 0:15:00
112 16-Mar-21 132 132 KV KUHERA - PARASWANI CKT 00:55 01:21 0:26:00
113 16-Mar-21 132 132 KV KUHERA - MAHASAMUND CKT 03:23 03:40 0:17:00
114 17-Mar-21 132 132 KV MUNGELI - NAWAGARH CKT 07:43 08:02 0:19:00
115 17-Mar-21 132 132 KV BARSOOR - JAGDALPUR CKT NO. II 21:04 21:20 0:16:00
116 17-Mar-21 132 132 KV KUHERA - MAHASAMUND CKT 22:44 22:58 0:14:00
117 18-Mar-21 132 132 KV BHILAI - SARONA CKT 13:02 13:16 0:14:00
118 19-Mar-21 132 132 KV JAGDALPUR - BARSOOR CKT No.II 03:18 03:33 0:15:00
119 19-Mar-21 132 132 KV JAGDALPUR - BARSOOR CKT No.II 08:26 08:49 0:23:00
120 20-Mar-21 132 132 KV SIMGA - BHILAI CKT 04:31 12:42 8:11:00
121 20-Mar-21 132 132 KV BHILAI - SARONA CKT 05:10 05:32 0:22:00
122 20-Mar-21 132 132 KV THELKADIH - DONGARGARH CKT No.II 09:15 09:26 0:11:00
123 21-Mar-21 132 132KV PATHALGAON - BATOLI CKT. 9:02 9:17 0:15:00
124 21-Mar-21 132 63MVA Xmer AT 132KV S/S SANKRA 12:27 16:57 4:30:00
125 21-Mar-21 132 40MVA Xmer AT 132KV S/S SANKRA 12:27 13:05 0:38:00
126 22-Mar-21 132 132KV JAGDALPUR - BARSOOR CKT. NO. II 3:25 3:38 0:13:00
127 22-Mar-21 132 132KV KUHERA - MAHASAMUND CKT. 4:33 5:01 0:28:00
128 22-Mar-21 132 132KV DONGARGARH -KIRNAPUR CKT. 18:54 19:42 0:48:00
129 24-Mar-21 132 132 KV MAHASAMUND - KUHERA CKT 06:33 06:45 0:12:00
130 24-Mar-21 132 132 KV BHATAPARA - SIMGA CKT NO. I 17:54 19:26 1:32:00
131 24-Mar-21 132 132 KV MAHASAMUND - KUHERA CKT 21:10 21:22 0:12:00
132 24-Mar-21 132 132 KV MAHASAMUND - KUHERA CKT 21:30 21:51 0:21:00
133 24-Mar-21 132 132 KV MAHASAMUND - KUHERA CKT 22:04 22:22 0:18:00
134 25-Mar-21 132 132 KV GHARGHODA - PATHALGAON CKT 13:05 13:14 0:09:00
135 26-Mar-21 132 40 MVA X-MER NO. II AT 132 KV S/S KURUD (Bhilai) 0:06 0:15 0:09:00
136 26-Mar-21 132 132 KV MANIDRAGARH - TRACTION NO. II 14:37 14:47 0:10:00
137 29-Mar-21 132 40MVA Xmer NO. II AT 220KV S/S PARASWANI 18:54 19:32 0:38:00
12. Trippings in Transmission Elements in MARCH-2021.
138 29-Mar-21 132 132KV SILTARA - GPIL CKT. 29/03/21 21:52 30/03/21 18:58 21:06:00
139 30-Mar-21 132 132KV RLY. TRACTION AT S/S AKALTARA 30/03/21 05:35 31/03/21 06:20 24:45:00
140 31-Mar-21 132 132 KV DHAMDHA - PARAMPUJYA CKT NO. I 12:36 12:43 0:07:00
141 31-Mar-21 132 132 KV BALODA BAZAR - LAFARZ CKT 12:35 12:47 0:12:00
142 31-Mar-21 132 63 MVA X-MER AT 132 KV S/S BORJHARA 13:39 14:08 0:29:00
143 31-Mar-21 132 132 KV BARSOOR - KIRANDUL CKT NO. I 17:35 19:47 2:12:00
144 31-Mar-21 132 132 KV BARSOOR - KIRANDUL CKT NO. II 17:42 20:55 3:13:00
S.N DATETIME OF
OCCURRENCE
CATEGORY
GD-1 TO GD-
5, GI-1 - GI -2
BLACK OUT AT BUSRESTORATION
TIME
MW
AFFECTED
DURATION OF
INTERUPTION
(IN HRS: MIN)
ENERGY NOT
SUPPLIED
(MUs)
REMARKS
1 01-Mar-21 19:02 GD-1 132 KV S/S CHAKARBHATA 19:16 41.31 0:14 0.00040TRIPPING OF 132 KV SIMGA - CHAKARBHATA
CKT
2 03-Mar-21 14:11 GD-1 132 KV S/S PULGAON 14:17 25 0:06 0.00010 TRIPPING OF 132KV BHILAI - PULGAON CKT.
3 06-Mar-21 13:03 GD-1 132KV S/S PULGAON 13:20 25 0:17 0.00030 TRIPPING OF 132KV BHILAI - PULGAON CKT.
4 06-Mar-21 13:03 GD-1 132KV S/S RASMADA 13:34 29.43 0:31 0.00063 TRIPPING OF 132KV BHILAI - RASMADA CKT.
5 10-Mar-21 16:57 GD-1132 KV BANARI AT 220 KV S/S
BANARI17:15 45.67 0:18 0.00057
TRIPPING OF 220 KV MARWA - BANARI CKT NO.
I & II CAUSING INTERRUPTIONS TO FEEDERS
CONNECTED TO BUS-I
6 10-Mar-21 16:57 GD-1 132 KV S/S AKALTARA 17:15 72.34 0:18 0.00090TRIPPING AT 220 KV BANARI & SHUTDOWN AT
132 KV AKALTARA - KVK CKT
7 10-Mar-21 16:57 GD-1 132 KV S/S JAIJAIPUR 17:15 23.81 0:18 0.00030TRIPPING AT 220 KV BANARI& 132 KV JAIJAIPUR
- ADBHAR CKT LINE OPENED.
8 10-Mar-21 16:57 GD-1 132 KV S/S SHEORINARAYAN 17:15 30.86 0:18 0.00039 TRIPPING AT 220 KV BANARI
9 10-Mar-21 16:57 GD-1 132 KV S/S CHAMPA 17:15 47.67 0:18 0.00060
TRIPPING AT 220 KV BANARI& 132 KV CHAMPA -
KE (100) CKT NO. II&132 KV CHAMPA - KE (100)
CKT NO. II LINE OPENED
10 10-Mar-21 23:31 GD-1 220 KV S/S PARASWANI 23:44 161.72 0:13 0.00146
11 10-Mar-21 23:31 GD-1 132 KV S/S MAHASAMUND 23:51 31.62 0:20 0.00044
13. Grid Disturbance in MARCH-2021.
TRIPPING OF 160 MVA X-MER NO. I & II AT S/S
PARASWANI.ALSO TRIPPING OF KUHERA-
MAHASAMUND CKT,132 KV BASNA JHALAP
CKT, 132 KV SARAIPALI - BASNA CKT,132 KV
JHALAP SANKARA CKT &132 KV KURUD RAJIM
CKT,132 KV GURUR - KURUD CKT & 132 KV
KURUD - DHAMTARI CKT
S.N DATETIME OF
OCCURRENCE
CATEGORY
GD-1 TO GD-
5, GI-1 - GI -2
BLACK OUT AT BUSRESTORATION
TIME
MW
AFFECTED
DURATION OF
INTERUPTION
(IN HRS: MIN)
ENERGY NOT
SUPPLIED
(MUs)
REMARKS
13. Grid Disturbance in MARCH-2021.
12 10-Mar-21 23:31 GD-1 132 KV S/S BAGBAHRA 23:50 74.43 0:19 0.00098
13 10-Mar-21 23:31 GD-1 132 KV S/S JHALAP 23:54 70.68 0:23 0.00113
14 10-Mar-21 23:31 GD-1 132 KV S/S BASNA 23:46 29.3 0:15 0.00031
15 10-Mar-21 23:31 GD-1 132 KV S/S RAJIM 23:41 69.29 0:10 0.00048
16 10-Mar-21 23:31 GD-1 132 KV S/S KURUD 23:42 73.35 0:11 0.00056
17 10-Mar-21 23:31 GD-1 132 KV S/S MAGARLOAD 23:42 54.8 0:11 0.00042TRIPPING OF 132 KV KURUD MAGARLOAD &
INTERRUPTION AT 132 KV S/S RAJIM
18 10-Mar-21 23:31 GD-1 132 KV S/S BHAKHARA 23:43 16.2 0:12 0.00014 TRIPPING 132 KV KURUD - BHAKHARA CKT
19 10-Mar-21 23:31 GD-1 132 KV S/S GARIYABAND 23:44 14.74 0:13 0.00013 TRIPPING AT 132 KV S/S MAGARLOAD
20 12-Mar-21 06:40 GD-1 220 KV S/S PARASWANI 06:50 243.25 0:10 0.00169
21 12-Mar-21 06:40 GD-1 132 KV S/S MAHASAMUND 07:06 29.17 0:26 0.00053
TRIPPING OF 160 MVA X-MER NO. I & II AT S/S
PARASWANI.ALSO TRIPPING OF KUHERA-
MAHASAMUND CKT,132 KV BASNA- JHALAP
CKT, 132 KV JHALAP SANKARA CKT &132 KV
KURUD RAJIM CKT.
TRIPPING OF 160 MVA X-MER NO. I & II AT S/S
PARASWANI.ALSO TRIPPING OF KUHERA-
MAHASAMUND CKT,132 KV BASNA JHALAP
CKT, 132 KV SARAIPALI - BASNA CKT,132 KV
JHALAP SANKARA CKT &132 KV KURUD RAJIM
CKT,132 KV GURUR - KURUD CKT & 132 KV
KURUD - DHAMTARI CKT
S.N DATETIME OF
OCCURRENCE
CATEGORY
GD-1 TO GD-
5, GI-1 - GI -2
BLACK OUT AT BUSRESTORATION
TIME
MW
AFFECTED
DURATION OF
INTERUPTION
(IN HRS: MIN)
ENERGY NOT
SUPPLIED
(MUs)
REMARKS
13. Grid Disturbance in MARCH-2021.
22 12-Mar-21 06:40 GD-1 132 KV S/S BEGBEHRA 07:07 74.43 0:27 0.00140
23 12-Mar-21 06:40 GD-1 132 KV S/S JHALAP 06:50 74.43 0:10 0.00052
24 12-Mar-21 06:40 GD-1 132 KV S/S RAJIM 06:45 69.29 0:05 0.00024
25 13-Mar-21 17:18 GD-1132 KV URLA AT 220KV S/S
URLA17:37 60 0:19 0.00079
26 13-Mar-21 17:18 GD-1 132KV S/S GUDIYARI 17:33 38 0:15 0.00040
27 13-Mar-21 17:18 GD-1 132KV S/S BIRGAON 17:40 97 0:22 0.00148
28 13-Mar-21 17:18 GD-1 132KV S/S SECTOR - A 17:39 65 0:21 0.00095
29 13-Mar-21 17:18 GD-1 132KV S/S SECTOR - C 17:38 67 0:20 0.00093
30 13-Mar-21 17:18 GD-1 132KV S/S KACHNA 17:49 56 0:31 0.00121
31 22-Mar-21 18:54 GD-1 220/132 KV S/S THELKADIH 19:08 27 0:14 0.00026TRIPPING OF 220 KV KHEDAMARA-THELKADHI
CKT 1 & 2
32 22-Mar-21 18:54 GD-1 132KV S/S DHAMDHA 19:10 20 0:16 0.00022
TOTAL INTERUPPTION AT 220 KV THELKADIH
S/S , TRIPPING OF 132 KV SAJA-DHAMDHA CKT
& 132 KV DHAMDHA-RASMADA CKT
TRIPPING OF 160 MVA X-MER NO. I & II AT S/S
PARASWANI.ALSO TRIPPING OF KUHERA-
MAHASAMUND CKT,132 KV BASNA- JHALAP
CKT, 132 KV JHALAP SANKARA CKT &132 KV
KURUD RAJIM CKT.
TRIPPING OF 132KV BUS AT 220KV S/S URLA
S.N DATETIME OF
OCCURRENCE
CATEGORY
GD-1 TO GD-
5, GI-1 - GI -2
BLACK OUT AT BUSRESTORATION
TIME
MW
AFFECTED
DURATION OF
INTERUPTION
(IN HRS: MIN)
ENERGY NOT
SUPPLIED
(MUs)
REMARKS
13. Grid Disturbance in MARCH-2021.
33 22-Mar-21 18:54 GD-1 132KV S/S RAJ NANDGAON 19:11 43 0:17 0.00051TOTAL INTERUPPTION AT 132 KV
DONGARGAON S/S & 132 KV THELKADIH S/S
34 22-Mar-21 18:54 GD-1 132KV S/S DONGARGAON 19:14 46 0:20 0.00064TOTAL INTERUPPTION AT 132 KV
RAJNANDGAON S/S & 132 KV MOHLA S/S
35 22-Mar-21 18:54 GD-1 132KV S/S MOHLA 19:15 14 0:21 0.00020TOTAL INTERUPPTION AT 132 KV
DONGARGAON S/S
36 22-Mar-21 18:54 GD-1 132KV S/S DONGARGARH 19:21 29 0:27 0.00054TOTAL INTERUPPTION AT 220 KV THELKADIH
S/S
S.No DATE FROM TO GROUPLOAD
RELIEF
(MW)
DURATION
(hh:mm)
EQUIVALENT
LOAD RELIEF
(MU)
FREQUENCY
(Hz)REMARK
1 10-Mar-21 17:01 18:05 GROUP - E 49.5 1:04 0.05 49.96
2 10-Mar-21 17:01 18:05 GROUP - F 53.4 1:04 0.06 49.96
3 10-Mar-21 17:01 18:05 GROUP - A 54.5 1:04 0.06 49.96
4 10-Mar-21 17:38 18:20 GROUP - B 33.5 0:42 0.02 49.96
5 10-Mar-21 17:38 18:20 GROUP - C 72.5 0:42 0.05 49.96
6 10-Mar-21 17:38 18:20 GROUP - D 79 0:42 0.06 49.96
7 10-Mar-21 18:13 18:31 INDUSTRIAL GROUP - V 90 0:18 0.03 49.92
8 10-Mar-21 18:13 19:25 INDUSTRIAL GROUP - VI 71.5 1:12 0.09 49.92
9 10-Mar-21 18:13 19:36 INDUSTRIAL GROUP - VII 56.4 1:23 0.08 49.92
10 10-Mar-21 18:45 19:45 INDUSTRIAL GROUP - V 66.5 1:00 0.07 49.89
11 10-Mar-21 19:12 19:56 INDUSTRIAL GROUP - I 59 0:44 0.04 49.92
12 10-Mar-21 23:21 23:40 INDUSTRIAL GROUP - II 102 0:19 0.03 50.02
13 15-Mar-21 16:40 17:21 GROUP - E 66.5 0:41 0.05 49.99
14 15-Mar-21 18:12 19:20 INDUSTRIAL GROUP - III 50 1:08 0.06 50.01
15 15-Mar-21 18:15 19:23 INDUSTRIAL GROUP - IV 113 1:08 0.13 50
16 15-Mar-21 18:42 20:04 INDUSTRIAL GROUP - V 82 1:22 0.11 49.86
17 15-Mar-21 19:41 21:30 INDUSTRIAL GROUP - VI 70.5 1:49 0.13 50.07
18 15-Mar-21 20:24 21:30 INDUSTRIAL GROUP - VII 52.6 1:06 0.06 50.07
19 19-Mar-21 11:47 12:41 GROUP - F 65.7 0:54 0.06 49.9
20 19-Mar-21 11:47 12:41 GROUP - A 53.5 0:54 0.05 49.9
21 24-Mar-21 18:00 23:10 INDUSTRIAL GROUP - I 5:10 0.92 50.21
22 24-Mar-21 18:00 23:10 INDUSTRIAL GROUP - II 5:10 0.00 50.21
23 24-Mar-21 18:15 23:10 INDUSTRIAL GROUP - III 46 4:55 0.23 50
24 24-Mar-21 18:36 20:00 GROUP - A 1:24 0.15 49.99
25 24-Mar-21 18:36 20:00 GROUP - B 1:24 0.00 49.99
26 24-Mar-21 19:56 20:42 GROUP - C 0:46 0.14 50
27 24-Mar-21 19:56 20:42 GROUP - D 0:46 0.00 50
28 24-Mar-21 23:05 24/03/2021 04:05 25/03/2021 INDUSTRIAL GROUP - V 51 5:00 0.26 49.87
29 24-Mar-21 23:05 24/03/2021 04:15 25/03/2021 INDUSTRIAL GROUP - VI 100 5:10 0.52 49.87
30 24-Mar-21 23:05 24/03/2021 04:25 25/03/2021 INDUSTRIAL GROUP - VII 48.4 5:20 0.26 49.87
31 24-Mar-21 18:33 24/03/2021 03:52 25/03/2021 INDUSTRIAL GROUP - IV 113.5 9:19 1.06 50.01
32 25-Mar-21 06:40 07:35 GROUP - E 79.5 0:55 0.07 50.05
33 25-Mar-21 06:40 08:10 GROUP - F 62.1 1:30 0.09 50.05
34 25-Mar-21 20:57 21:45 INDUSTRIAL GROUP - I 59 0:48 0.05 50.03
35 25-Mar-21 21:12 22:03 INDUSTRIAL GROUP - II 110 0:51 0.09 50.01
36 25-Mar-21 23:13 25/03/2021 00:17 26/03/2021 INDUSTRIAL GROUP - III 168 1:04 0.18 50.01
37 25-Mar-21 23:13 25/03/2021 01:24 26/03/2021 INDUSTRIAL GROUP - IV 168 2:11 0.37 50.01
LOAD SHEDDING DONE IN MARCH-2021
1. KORBA WEST-UNIT No.1 (210
MW) UNDER AOH SINCE
19.12.2020 AT 23:55 Hrs 2.
ABVTPS UNITS (2X500) TRIPPED
AT 16:57 HRS ON 10.03.2021.
3.TOTAL OUTAGE = 1210 MW
1. KORBA WEST-UNIT No.1 (210
MW) UNDER AOH SINCE
19.12.2020 AT 23:55 Hrs 2.
KORBA WEST-UNIT No.2(210
MW) STOPPED ON 14.03.2021
AT 21:18 Hrs. 3.TOTAL OUTAGE
= 420 MW
1. KW-UNIT No.1 (210 MW) STOPPED ON
19.03.2021 AT 20:55 Hrs. 2.KW-UNIT
No.3 (210 MW) STOPPED ON 17.03.2021
AT 19:51 Hrs. 3. KW-UNIT No.5 (500
MW) STOPPED ON 19.03.2021 AT 11:29
Hrs. 4.TOTAL OUTAGE = 920 MW
178
1. KW-UNIT No.1 (210 MW)
STOPPED ON 19.03.2021 AT
20:55 Hrs. 2. KORBA WEST-
UNIT No.2(210 MW) STOPPED
ON 23.03.2021 AT 18:31 Hrs. 3.
KORBA WEST-UNIT No.3(210
MW) STOPPED ON 17.03.2021
AT 19:51 Hrs. 4.TOTAL OUTAGE
= 630 MW
105
181.5
1. KW-UNIT No.1 (210 MW)
STOPPED ON 19.03.2021 AT
20:55 Hrs. 2. KORBA WEST-UNIT
No.3(210 MW) STOPPED ON
17.03.2021 AT 19:51 Hrs.
3.TOTAL OUTAGE = 420 MW
S.No DATE FROM TO GROUPLOAD
RELIEF
(MW)
DURATION
(hh:mm)
EQUIVALENT
LOAD RELIEF
(MU)
FREQUENCY
(Hz)REMARK
LOAD SHEDDING DONE IN MARCH-2021
38 26-Mar-21 18:28 19:32 INDUSTRIAL GROUP - IV 79.5 1:04 0.08 49.98
39 26-Mar-21 18:36 19:41 INDUSTRIAL GROUP - VI 58 1:05 0.06 50.02
40 26-Mar-21 26/03/2021 23:02 27/03/2021 0:11 INDUSTRIAL GROUP - VII 49.9 1:09 0.06 50.02
41 27-Mar-21 06:53 07:36 GROUP - A 51 0:43 0.04 50.031. DSPM-UNIT No.2 (250 MW)
STOPPED ON 27.03.2021 AT 12:26
Hrs. 2.TOTAL OUTAGE = 250 MW
1. KW-UNIT No.1 (210 MW)
STOPPED ON 19.03.2021 AT
20:55 Hrs. 2.1. KW-UNIT No.4
(210 MW) STOPPED ON
26.03.2021 AT 1:37 Hrs. 3.TOTAL
OUTAGE = 420 MW
Sub Station ICT [MVA]N-1
ContingencyICT
Overloaded
(% of time)
220 KV Banari 2 x 160 167.2 0.00
220 KV Barsoor 1 x 160+1X120 167.2 0.00
220 KV Bhilai 2x160+3x125 595.65 0.00
220 KV Bhatapara 2 x 160+1X125 334.4 0.00
220 KV Borjhara 2 x 160 167.2 34.44
220 KV Bemetara 2 x 160 167.2 0.00
220 KV Doma 2 x 160 167.2 0.00
220 KV Dhardehi 3 x 160 167.2 0.00
220 KV Gurur 3 x 160 334.4 46.44
220 KV Korba [East] 2 x 160 167.2 0.00
220 KV Kuthrel 2 x 160 167.2 0.00
220 KV Mopka 3 x 160 334.4 0.00
220 KV Kotmikala 2 x 160 167.2 0.00
220 KV Paraswani 2 x 160 167.2 98.42
220 KV Raigarh 3 x 160 334.4 5.48
220 KV Siltara 3 x 160 334.4 0.00
220 KV Saraipali 2 x 160 167.2 96.00
220 KV Suhela 2 x 160 167.2 0.00
220 KV Thelkadih 2 x 160 167.2 42.51
220 KV Urla 3 x 160 334.4 0.40
400 KV Khedamara 3x315 329 81.75
400 KV Kurud 2x315 329 45.16
400 KV Raita 2 x 315 329 5.21
400 KV Jagdalpur 2 x 315 329 0.00
2.Data of 220KV S/S Bishrampur not available.
16. Overloading of ICTs under N-1 Contingency for the month of MARCH-
2021.
3. 315 MVA 400/220 KV BHEL Make X-mer No 3 at 400 KV S/S Khedamara out of circuit
since 28.05.20 .Hence Contingency taken accordingly considering two numbers X-mers in
service.
Remarks : 1. (N-1) contigency is calculated taking 0.95 p.f and 10 % overloading of