FREQUENCY PATTERN DURING JAN 2007 Freq Profile 1-11 Freq Profile 12-21 Freq Profile 22-31.
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0 2 4 6 8 10 12 14 16 18 20 22 % O F TIM E JA N 01-11 JA N 12-21 JA N 22-31 YEARS ----> '05 '06 '07 FREQUENCY PATTERN DURING JAN 2007 0 10 20 30 40 50 60 % O F TIM E JA N 01-11 JA N 12-21 JA N 22-31 YEARS ----> '05 '06 '07 0 10 20 30 40 50 60 70 80 90 100 % O F TIM E JA N 01-11 JA N 12-21 JA N 22-31 YEARS ----> '05 '06 '07 Freq Profile 1-11 Freq Profile 12-21 Freq Profile 22-31
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Transcript of FREQUENCY PATTERN DURING JAN 2007 Freq Profile 1-11 Freq Profile 12-21 Freq Profile 22-31.
02468
10121416182022
% O
F T
IME
JA
N 0
1-1
1
JA
N 1
2-2
1
JA
N 2
2-3
1YEARS ---->
'05 '06 '07
FREQUENCY PATTERN DURING JAN 2007
0
10
20
30
40
50
60
% O
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IME
JA
N 0
1-1
1
JA
N 1
2-2
1
JA
N 2
2-3
1
YEARS ---->
'05 '06 '07
0102030405060708090
100
% O
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IME
JA
N 0
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JA
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YEARS ---->
'05 '06 '07
Freq Profile 1-11
Freq Profile 12-21
Freq Profile 22-31
FREQUENCY EXCURSION BELOW 49.0 HZ & 49.5 HZ
22
14
5
25
9
13
0
5
10
15
20
25
30
No
of
Ex
cu
rsio
ns
---
>
JAN 01-11 JAN 12-21 JAN 22-31Months --->
< 49.0 HZ < 49.5 HZFrequency Trend for 31-01-07
Frequency Trend for 01-02-07
74(8%) TIME BLOCKS FREQ WAS BELOW 49Hz
870(91%) TIME BLOCKS FREQ WAS BELOW 49.5 Hz
State No.of time blocks in
which state overdrew
MWH Overdrawal
Average MW overdrawn
No.of time blocks in
which state overdrew
MWH Overdrawal
Average MW overdrawn
TAMIL NADU 54 (6%) 920 68 314 (33%) 5781 74
KARNATAKA 65 (7%) 1790 110 821 (86%) 49580 242
ANDHRA PRADESH 30 (3%) 488 65 539 (56%) 34242 254
PUDUCHERRY 9 (1%) 16 7 73 (8%) 171 9
GOA 31 (3%) 96 12 323 (34%) 841 10
KERALA 18 (2%) 137 30 449 (47%) 2048 18
STATE OVER DRAWAL @ <49.0 & 49.5HZ
JAN 12 – 21, 2007
NON DESPATCHED GENERATION IN SR DURING
Oct – 06 Nov – 06 1-15 Dec 06
16-31Dec 06
1-11Jan 07
12-21Jan 07
State Station InstalledCapacity
(MW)
Fuel Var. CostPs./Unit
MW Not
Despatched
MW Not
Despatched
MW Not
Despatched
MW Not
Despatched
MW Not
Despatched
MW Not
Despatched
Karnataka Tata Electric 79 Diesel 590 78 78 78 0 0 0
Yelahanka 128 Diesel 622 126 126 126 126 86 0
Thannerbavi 220 Naptha 626 218 218 218 0 0 0
Sub-Total 422 422 422 126 86 0
Kerala
Kayamkulam 360 Naptha 580 353 353 36 186 36 36
BSES 157 Naptha 560 154 154 154 154 154 154
Sub-Total 507 507 190 340 190 190
Tamil Nadu Basin Bridge 120 Naptha 863 105 105 105 0 0 0
Sub-Total 105 105 105 0 0 0
TOTAL 1034 1034 717 466 276 190
CAPACITY NOT HARNESSED
OTHER LINKS
OVER DRAWAL SCADA
VIOLATION MESSAGESINTER REGIONAL
IMPORTS / EXPORTS
UI Vs FREQJAN 01 – 11, 07
UI Vs FREQJAN 12 – 21, 07
UI Vs FREQJAN 22 – 31, 07
DAILY TRENDSUI Vs FREQ
STOA
0
2
4
6
8
10
12
% O
F T
IME
OC
T
NO
V
DE
C
YEARS ---->
'04 '05 '06
FREQUENCY PATTERN DURING OCT TO DEC 2006
0
10
20
30
40
50
% O
F T
IME
OC
T
NO
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C
YEARS ---->
'04 '05 '06
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10
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4050
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80
90
% O
F T
IME
OC
T
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V
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C
YEARS ---->
'04 '05 '06
0
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% O
F T
IME
OC
T
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N
YEARS ---->
'04 - 05 '05 - 06 '06 - 07
FREQUENCY PATTERN DURING OCT DEC & JAN 06-07
0
10
20
30
40
50
% O
F T
IME
OC
T
DE
C
JA
N
YEARS ---->
'04 - 05 '05 - 06 '06 - 07
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10
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4050
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80
90
% O
F T
IME
OC
T
DE
C
JA
N
YEARS ---->
'04 - 05 '05 - 06 '06 - 07
Note : January data for 24 days i.e. excluding Pongal (13th to 16th) & Republic day (26th to 28th) holidays.
FREQUENCY EXCURSION BELOW 49.0 HZ
0 0
320
23 14
91
28 18
576
0
100
200
300
400
500
600
No
of
Ex
cu
rsio
ns
---
>
Oct Nov DecMonths --->
2004 2005 2006
AVERAGE FREQUENCY OF SR AND CG
AVG. FREQ (HZ) AVG. FREQ (HZ)
JAN 01 – 11 49.18 49.15
JAN 12 – 21 49.31 49.08
JAN 22 – 31 49.21 49.14
SOUTHERN REGION
JANUARY 2007
CENTRAL GRID
326(31%) TIME BLOCKS FREQ WAS BELOW 49Hz
1014(96%) TIME BLOCKS FREQ WAS BELOW 49.5 Hz
State No.of time blocks in
which state overdrew
MWH Overdrawal
Average MW overdrawn
No.of time blocks in
which state overdrew
MWH Overdrawal
Average MW overdrawn
TAMIL NADU 293 (28%) 10566 144 638 (60%) 21529 135
KARNATAKA 247 (23%) 5178 84 881 (83%) 39630 180
ANDHRA PRADESH 132 (13%) 2327 71 487 (46%) 20269 166
PUDUCHERRY 235 (22%) 898 15 485 (46%) 2032 17
GOA 77 (7%) 118 6 229(22%) 324 6
KERALA 5 (0%) 27 22 172(16%) 971 23
STATE OVER DRAWAL @ <49.0 & 49.5HZ
JAN 01 – 11, 2007
76(11%) TIME BLOCKS FREQ WAS BELOW 49Hz
646(96%) TIME BLOCKS FREQ WAS BELOW 49.5 Hz
State No.of time blocks in
which state overdrew
MWH Overdrawal
Average MW overdrawn
No.of time blocks in
which state overdrew
MWH Overdrawal
Average MW overdrawn
TAMIL NADU 41 (6%) 497 48 189 (28%) 2983 63
KARNATAKA 65 (10%) 1851 114 570 (85%) 27835 195
ANDHRA PRADESH 57 (8%) 1622 114 432 (64%) 25496 236
PUDUCHERRY 4 (1%) 4 4 11 (2%) 15 5
GOA 19 (3%) 14 3 102 (15%) 113 4
KERALA 8 (1%) 21 11 289 (43%) 888 12
STATE OVER DRAWAL @ <49.0 & 49.5HZ
JAN 22 – 28, 2007
NON DESPATCHED GENERATION IN SR DURING
JAN 01 – 11, 07 JAN 12 – 21, 07 JAN 22 – 31, 07
State Station InstalledCapacity
(MW)
Fuel Var. CostPs./Unit
MW Not
Despatched
MW Not Despatched
MW Not
Despatched
Karnataka Tata Electric 79 Diesel 590 32 19 14
Yelahanka 128 Diesel 622 83 64 97
Thannerbavi 220 Naptha 626 128 59 74
Sub-Total 243 142 185
KeralaKayamkulam 360 Naptha 580 125 68 79
BSES 157 Naptha 560 154 154 154
Sub-Total 279 222 233
Tamil Nadu Basin Bridge 120 Naptha 863 105 116 110
Sub-Total 105 116 110
TOTAL 627 480 528
AVG MW NOT AVAILABLE TO THE GRID
287(27%) TIME BLOCKS FREQ WAS BELOW 49Hz
1003(95%) TIME BLOCKS FREQ WAS BELOW 49.5 Hz
State No.of time blocks in
which state overdrew
MWH Overdrawal
Average MW overdrawn
No.of time blocks in
which state overdrew
MWH Overdrawal
Average MW overdrawn
ANDHRA PRADESH 164 (16%) 3083 75 318 (30%) 6662 84
KARNATAKA 214 (20%) 4561 85 470 (45%) 11723 100
KERALA 1 (0%) 1 5 2 (0%) 7 14
TAMIL NADU 226 (21%) 6737 119 425 (40%) 12277 116
STATE OVER DRAWAL @ <49.0 & 49.5HZ
JAN 01 – 11, 2007
STATE OVER DRAWAL @ <49.0 & 49.5HZ
JAN 12 – 21, 2007
51(5%) TIME BLOCKS FREQ WAS BELOW 49Hz
854(89%) TIME BLOCKS FREQ WAS BELOW 49.5 Hz
State No.of time blocks in
which state overdrew
MWH Overdrawal
Average MW overdrawn
No.of time blocks in
which state overdrew
MWH Overdrawal
Average MW overdrawn
ANDHRA PRADESH 26 (3%) 482 74 377 (39%) 16497 175
KARNATAKA 39 (4%) 1145 117 519 (54%) 21668 167
KERALA 4 (0%) 45 45 17 (2%) 147 35
TAMIL NADU 15 (2%) 138 37 146 (15%) 2047 56
STATE OVER DRAWAL @ <49.0 & 49.5HZ
JAN 22 – 28, 2007
56(8%) TIME BLOCKS FREQ WAS BELOW 49Hz
660(98%) TIME BLOCKS FREQ WAS BELOW 49.5 Hz
State No.of time blocks in
which state overdrew
MWH Overdrawal
Average MW overdrawn
No.of time blocks in
which state overdrew
MWH Overdrawal
Average MW overdrawn
ANDHRA PRADESH 45 (7%) 1357 121 456 (68%) 25764 226
KARNATAKA 42 (6%) 1174 112 549 (82%) 23790 173
KERALA 2 (0%) 3 6 62 (9%) 283 18
TAMIL NADU 16 (2%) 165 41 93 (14%) 1451 62
VIOLATION MESSAGES ISSUED
State Type A Message
issued
Violation of Clause 6.4.4
Violation of Clause 6.4.9
Total Violation
Andhra Pradesh
55 15 1 71
Karnataka 68 17 8 93
Tamil Nadu 57 43 19 119
Kerala 0 0 0 0
Total 180 75 28 283
Type A message issued when freq < 49.2 Hz and State O/D > 100MW
JAN 01 – 11, 2007
VIOLATION MESSAGES ISSUED
State Type A Message
issued
Violation of Clause 6.4.4
Violation of Clause 6.4.9
Total Violation
Andhra Pradesh
49 6 0 55
Karnataka 53 7 0 60
Tamil Nadu 6 0 0 6
Kerala 0 0 0 0
Total 108 13 0 121
Type A message issued when freq < 49.2 Hz and State O/D > 100MW
JAN 12 – 21, 2007
VIOLATION MESSAGES ISSUED
State Type A Message
issued
Violation of Clause 6.4.4
Violation of Clause 6.4.9
Total Violation
Andhra Pradesh
62 7 1 70
Karnataka 49 6 1 56
Tamil Nadu 10 0 0 10
Kerala 0 0 0 0
Total 121 13 2 136
Type A message issued when freq < 49.2 Hz and State O/D > 100MW
JAN 22 – 30, 2007
INTER-REGIONAL IMPORTS
Energy in MUs
MAX MW Energy in MUs
MAX MW
JAN 01 – 11 14.14 773 9.85 798
JAN 12 – 21 2.38 421 2.41 324
FROM WESTERN REGION
JANUARY 2007
FROM EASTERN REGION
INTER-REGIONAL EXPORTS
Energy in MUs
MAX MW Energy in MUs
MAX MW
JAN 01 – 11 0.72 190 2.92 134
JAN 12 – 21 5.49 570 4.42 276
FROM WESTERN REGION
JANUARY 2007
FROM EASTERN REGION
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:0
0
11:0
0
12:0
0
13:0
0
14:0
0
15:0
0
16:0
0
17:0
0
18:0
0
19:0
0
20:0
0
21:0
0
22:0
0
23:0
0
24:0
0
TIME IN HH:MM ---->
UI I
N M
W -
-->
48.5
49.0
49.5
50.0
50.5
51.0
51.5
FR
EQ
IN
HZ
--
-->
UI FREQ
UI Vs FREQUENCY OF ANDHRA PRADESH01-JAN-07
JAN 01 – 11, 2007
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:0
0
11:0
0
12:0
0
13:0
0
14:0
0
15:0
0
16:0
0
17:0
0
18:0
0
19:0
0
20:0
0
21:0
0
22:0
0
23:0
0
24:0
0
TIME IN HH:MM ---->
UI I
N M
W -
-->
48.5
49.0
49.5
50.0
50.5
51.0
51.5
FR
EQ
IN
HZ
--
-->
UI FREQ
UI Vs FREQUENCY OF KARNATAKA09-JAN-07
JAN 01 – 11, 2007
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:0
0
11:0
0
12:0
0
13:0
0
14:0
0
15:0
0
16:0
0
17:0
0
18:0
0
19:0
0
20:0
0
21:0
0
22:0
0
23:0
0
24:0
0
TIME IN HH:MM ---->
UI I
N M
W -
-->
48.5
49.0
49.5
50.0
50.5
51.0
51.5
FR
EQ
IN
HZ
--
-->
UI FREQ
UI Vs FREQUENCY OF TAMIL NADU02-JAN-07
JAN 01 – 11, 2007
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:0
0
11:0
0
12:0
0
13:0
0
14:0
0
15:0
0
16:0
0
17:0
0
18:0
0
19:0
0
20:0
0
21:0
0
22:0
0
23:0
0
24:0
0
TIME IN HH:MM ---->
UI I
N M
W -
-->
48.5
49.0
49.5
50.0
50.5
51.0
51.5
FR
EQ
IN
HZ
--
-->
UI FREQ
UI Vs FREQUENCY OF ANDHRA PRADESH20-JAN-07
JAN 12 – 21, 2007
UI Vs FREQUENCY OF KARNATAKA15-JAN-07
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:0
0
11:0
0
12:0
0
13:0
0
14:0
0
15:0
0
16:0
0
17:0
0
18:0
0
19:0
0
20:0
0
21:0
0
22:0
0
23:0
0
24:0
0
TIME IN HH:MM ---->
UI I
N M
W -
-->
48.5
49.0
49.5
50.0
50.5
51.0
51.5
FR
EQ
IN
HZ
--
-->
UI FREQ
JAN 12 – 21, 2007
UI Vs FREQUENCY OF TAMIL NADU13-JAN-07
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:0
0
11:0
0
12:0
0
13:0
0
14:0
0
15:0
0
16:0
0
17:0
0
18:0
0
19:0
0
20:0
0
21:0
0
22:0
0
23:0
0
24:0
0
TIME IN HH:MM ---->
UI I
N M
W -
-->
48.5
49.0
49.5
50.0
50.5
51.0
51.5
FR
EQ
IN
HZ
--
-->
UI FREQ
JAN 12 – 21, 2007
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:0
0
11:0
0
12:0
0
13:0
0
14:0
0
15:0
0
16:0
0
17:0
0
18:0
0
19:0
0
20:0
0
21:0
0
22:0
0
23:0
0
24:0
0
TIME IN HH:MM ---->
UI I
N M
W -
-->
48.5
49.0
49.5
50.0
50.5
51.0
51.5
FR
EQ
IN
HZ
--
-->
UI FREQ
UI Vs FREQUENCY OF ANDHRA PRADESH24-JAN-07
JAN 22 – 31, 2007
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:0
0
11:0
0
12:0
0
13:0
0
14:0
0
15:0
0
16:0
0
17:0
0
18:0
0
19:0
0
20:0
0
21:0
0
22:0
0
23:0
0
24:0
0
TIME IN HH:MM ---->
UI I
N M
W -
-->
48.5
49.0
49.5
50.0
50.5
51.0
51.5
FR
EQ
IN
HZ
--
-->
UI FREQ
UI Vs FREQUENCY OF KARNATAKA28-JAN-07
JAN 22 – 31, 2007
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
0:00
1:00
2:00
3:00
4:00
5:00
6:00
7:00
8:00
9:00
10:0
0
11:0
0
12:0
0
13:0
0
14:0
0
15:0
0
16:0
0
17:0
0
18:0
0
19:0
0
20:0
0
21:0
0
22:0
0
23:0
0
24:0
0
TIME IN HH:MM ---->
UI I
N M
W -
-->
48.5
49.0
49.5
50.0
50.5
51.0
51.5
FR
EQ
IN
HZ
--
-->
UI FREQ
UI Vs FREQUENCY OF TAMIL NADU27-JAN-07
JAN 22 – 31, 2007
SR CONSTITUENTS EXPORT STOAsDURING THE PERIOD 01-11th JAN 07
CONSTITUENT AVG. OFF PEAK MW
AVG. PEAK MW
TOTAL MU AVG MW
APTRANSCO 26.80 26.80 7.05 26.8
KPTCL 223.16 200.49 47.67 181
KSEB 434.59 234.59 83.09 315
TNEB 268.6 0.0 15.97 61
SR CONSTITUENTS IMPORT STOAsDURING THE PERIOD 01-11th JAN 07
CONSTITUENT AVG. OFF PEAK MW
AVG. PEAK MW
TOTAL MU AVG MW
APTRANSCO 234.15 28.41 29.68 112
KPTCL 0.0 0.0 0.0 0.0
KSEB 0.0 0.0 0.0 0.0
TNEB 120.8 121.8 31.18 118
SR CONSTITUENTS EXPORT STOAsDURING THE PERIOD 12-21st JAN 07
CONSTITUENT AVG. OFF PEAK MW
AVG. PEAK MW
TOTAL MU AVG MW
APTRANSCO 26. 80 26.80 6.43 26.8
KPTCL 192.49 175.44 40.98 171
KSEB 484.80 287.88 88.98 371
TNEB 590.40 0.0 39.06 163
SR CONSTITUENTS IMPORT STOAs DURING THE PERIOD 12-21st JAN 07
CONSTITUENT AVG. OFF PEAK MW
AVG. PEAK MW
TOTAL MU AVG MW
APTRANSCO 220.39 14.96 25.48 106
KPTCL 0.0 0.0 0.0 0.0
KSEB 0.0 0.0 0.0 0.0
TNEB 140.86 143.94 31.24 130
SR CONSTITUENTS EXPORT STOAsDURING THE PERIOD 22-31st JAN 07
CONSTITUENT AVG. OFF PEAK MW
AVG. PEAK MW TOTAL MU AVG MW
APTRANSCO 26. 8 26.80 6.43 26.8
KPTCL 200.17 187.04 40.78 170
KSEB 497.8 397.8 89.56 373
TNEB 667.2 0.0 37.99 158
SR CONSTITUENTS IMPORT STOAs DURING THE PERIOD 22-31st JAN 07
CONSTITUENT AVG. OFF PEAK MW
AVG. PEAK MW TOTAL MU AVG MW
APTRANSCO 204.13 42.11 25.70 107
KPTCL 0.0 0.0 0.0 0.0
KSEB 0.0 0.0 0.0 0.0
TNEB 163.79 163.79 35.37 147
BACK
BACK
Date Day Min. Freq.Hz.
Avg. Freq.Hz.
49.0 Hz. and below 49.5 Hz. and below
% of Time
No. of excursions
% of Time
No. of excursions
1-Jan-07 Monday 48.64 49.24 10.9 15 90.2 18
2-Jan-07 Tuesday 48.65 49.16 27.9 27 87.7 15
3-Jan-07 Wednesday 48.58 49.08 36.5 34 99.5 4
4-Jan-07 Thursday 48.59 49.04 39 38 99.5 3
5-Jan-07 Friday 48.58 49.12 31.7 35 92.5 7
6-Jan-07 Saturday 48.61 49.16 21.6 21 89.1 12
7-Jan-07 Sunday 48.71 49.29 5.6 4 87.4 28
8-Jan-07 Monday 48.89 49.29 3.5 8 80.4 18
9-Jan-07 Tuesday 48.78 49.23 14.2 21 86.9 15
10-Jan-07 Wednesday 48.7 49.22 14.5 14 93.1 21
11-Jan-07 Thursday 48.64 49.17 19.7 21 95.5 12
Average for the period 48.67 49.18 20.46 22 91.07 14
Frequency Profile during the period 1st to 11th January 2007
Date Day Min. Freq.Hz.
Avg. Freq.Hz.
49.0 Hz. and below 49.5 Hz. and below
% of Time
No. of excursions
% of Time
No. of excursions
12-Jan-07 Friday 48.77 49.21 7.7 9 92.2 52
13-Jan-07 Saturday 48.95 49.25 1.3 1 93.1 11
14-Jan-07 Sunday 48.92 49.4 0.8 2 68.5 27
15-Jan-07 Monday 48.77 49.42 1.9 3 66.7 30
16-Jan-07 Tuesday 48.86 49.37 3.5 7 70.4 17
17-Jan-07 Wednesday 48.83 49.31 2.4 10 72.8 19
18-Jan-07 Thursday 48.73 49.29 5.3 5 76 32
19-Jan-07 Friday 48.64 49.27 2.7 5 77.1 21
20-Jan-07 Saturday 48.67 49.28 2.6 6 87.2 21
21-Jan-07 Sunday 48.81 49.27 1.5 5 86.4 21
Average for the period 48.8 49.31 2.97 5 79.04 25
Frequency profile during the period 12th to 21st January 2007
Date Day Min. Freq.Hz.
Avg. Freq.Hz.
49.0 Hz. and below 49.5 Hz. and below
% of Time
No. of excursions
% of Time
No. of excursions
22-Jan-07 Monday 48.73 49.18 5.6 16 98.1 7
23-Jan-07 Tuesday 48.64 49.18 3.6 9 98.0 10
24-Jan-07 Wednesday 48.83 49.19 1.7 9 96.1 13
25-Jan-07 Thursday 48.59 49.19 5.1 11 92.9 16
26-Jan-07 Friday 48.71 49.27 4.0 9 85.6 22
27-Jan-07 Saturday 48.80 49.25 3.7 7 91.2 17
28-Jan-07 Sunday 48.86 49.27 0.8 5 87.2 17
29-Jan-07 Monday 48.59 49.24 1.3 7 87.1 23
30-Jan-07 Tuesday 48.82 49.16 0.7 3 96.1 5
31-Jan-07 Wednesday 48.78 49.15 5.8 17 98.8 2
Average for the period 48.74 49.21 3.23 9.3 93.17 13.2
Frequency profile during the period 22nd to 31st January 2007
