southern regional load despatch centre
DESCRIPTION
WELCOME TO SHRI J. HAQUE Director(Operations ). POWER GRID CORPORATION OF INDIA LIMITED. SOUTHERN REGIONAL LOAD DESPATCH CENTRE. OPERATING THE SOUTHERN REGIONAL GRID. POWER GRID CORPORATION OF INDIA LIMITED. SOUTHERN REGIONAL LOAD DESPATCH CENTRE. PRESENTATION OVERVIEW. - PowerPoint PPT PresentationTRANSCRIPT
1SOUTHERN REGIONAL LOAD DESPATCH CENTRE
POWER GRID CORPORATION OF INDIA LIMITED
WELCOME
TO
SHRI J. HAQUE Director(Operations)
2SOUTHERN REGIONAL LOAD DESPATCH CENTRE
POWER GRID CORPORATION OF INDIA LIMITED
3
PRESENTATION OVERVIEW
REGIONAL GRIDS – QUICK FACTS
SOUTHERN REGIONAL GRID – OVERVIEW
SPECIFIC IMPROVEMENTS IN RECENT PAST
OPERATIONAL EXCELLANCE
ABT – UI POOL IN SR GRID
MANPOWER AND BUDGET
4
THANK YOU
5
REGIONAL GRIDS
QUICK FACTS
6
SOUTHERN REGION
WESTERNREGION
EASTERN REGION
NORTHERN REGION
NORTH-EASTERN REGION
INSTALLED CAPACITY
NORTHERN :- 31,307 MW
EASTERN :- 16,140 MW
SOUTHERN :- 32,779 MW
WESTERN :- 32,761 MW
NORTH-EASTERN :- 2,357 MW
TOTAL 115,344 MW
REGIONAL GRIDS
7
SOUTHERN REGION
WESTERNREGION
EASTERN REGION
NORTHERN REGION
NORTH-EASTERN REGION
‘ ELECTRICAL’
REGIONS1
2
3
SAME FREQUENCY FROM GUJARAT TO ARUNACHAL PRADESH WITH EFFECT FROM MARCH 2003
ABOUT 2800 KMS! APART
8
SOUTHERN REGION
WESTERNREGION
EASTERN REGION
NORTHERN REGION
NORTH-EASTERN REGION
‘ELECTRICAL’
REGIONS
1
2
WITH THE COMMISSIONING OF THE TALA PROJECT CONNECTING THE EASTERN AND NORTHERN GRIDS, INDIA WILL HAVE ONLY TWO GRIDS
9
Growth of Installed Capacity for Electricity in India
0
20000
40000
60000
80000
100000
120000
140000ALL FIGURES IN MW
10
Inter Regional Links
700 MW700 MW
1200MW1200MW
2000MW2000MW
1200 MW1200 MW
900 MW900 MW30,500 MW
16,000
32,700 MW
30,500 MW
2300
1850 MW1850 MW
1650 MW1650 MW
Present IR Present IR Capacity = Capacity = 9,500 MW9,500 MW
11
Sourcewise composition of installed capacity in India
(1,15,344 in 2005)
2.40% 1.70% 26%
70%
HydroThermalNuclearWind
12
SOUTHERN REGIONAL GRID
OVERVIEW
13
SOUTHERN REGION – GEOGRAPHY
ANDHRA PRADESH
TAMIL NADU
KARNATAKA
KE
RA
LA
POPULATION :- 22.5 CRORES ( 22% OF INDIA)
AREA :- 651 (‘000 SQ KM)(19% OF INDIA)
INSTALLED CAPACITY:- 32,779 MW(28.2%)
WEATHER :- South-west monsoon
North-east monsoon
SEA COAST :- AROUND 4000 KM
14
SR STATES – POWER SYSTEM STATISTICSANDHRA PRADESH
INSTALLED CAPACITY – 8487 MW
MAX DEMAND MET – 7547 MW
DAILY CONSUMPTION MAX – 166 MU
DAILY CONSUMPTION AVG – 142 MU
CONSUMER PROFILE –
INDS -27%, DOM-22%, COMM-5%, IRRI-39% & OTHERS-7%
KARNATAKA
INSTALLED CAPACITY – 6122 MW
MAX DEMAND MET – 5445 MW
DAILY CONSUMPTION MAX – 112 MU
DAILY CONSUMPTION AVG – 90 MU
CONSUMER PROFILE –
INDS -26%, DOM-19%, COMM-7%, IRRI-39% & OTHERS-9%
KERALA
INSTALLED CAPACITY – 2280 MW
MAX DEMAND MET – 2426 MW
DAILY CONSUMPTION MAX – 39 MU
DAILY CONSUMPTION AVG – 34 MU
CONSUMER PROFILE –
INDS -34%, DOM-44%, COMM-13%, IRRI-2%& OTHERS-7%
TAMIL NADU
INSTALLED CAPACITY – 6579 MW
MAX DEMAND MET – 7560 MW
DAILY CONSUMPTION MAX – 155 MU
DAILY CONSUMPTION AVG – 131 MU
CONSUMER PROFILE –
INDS -39%, DOM-25%, COMM-7%, IRRI-24% & OTHERS-5%
15
ANDHRA PRADESH
POPULATION :- 7.6 CRORES
AREA :- 275 (‘000 SQ KM)
NO OF CONSUMERS :- 162 LAKHS
PER CAPITA CONS. :- 719 UNITS
MAIN AGRICULTURE CROP :- RICE
CLIMATIC CONDITION :- HOT AND HOT & HUMID
SR STATES – GEOGRAPHYKARNATAKA
POPULATION :- 5.3 CRORES
AREA :- 192 (‘000 SQ KM)
NO OF CONSUMERS :- 105 LAKHS
PER CAPITA CONS. :- 642 UNITS
MAIN AGRICULTURE CROP :- COFFEE & RAGI
CLIMATIC CONDITION :- HOT AND HOT & HUMID
KERALA
POPULATION :- 3.2 CRORES
AREA :- 39 (‘000 SQ KM)
NO OF CONSUMERS :- 61 LAKHS
PER CAPITA CONS. :- 386 UNITS
MAIN AGRICULTURE CROP :- COCONUT & SPICES
CLIMATIC CONDITION :- HUMID
TAMIL NADU
POPULATION :- 6.2 CRORES
AREA :- 130 (‘000 SQ KM)
NO OF CONSUMERS :- 152 LAKHS
PER CAPITA CONS. :- 866 UNITS
MAIN AGRICULTURE CROP :- SUGAR CANE & OIL SEEDS
CLIMATIC CONDITION :- HOT AND HOT & HUMID
16
GROWTH OF INSTALLED CAPACITY OF SR
1947
5
1983
0
2030
4
2129
8
2213
3
2298
3
2417
3 2616
3 2850
1
2952
6 3273
3
10000
15000
20000
25000
30000
35000
1994-95 1995-96 1996-97 1997-98 1998-99 1999-00 2000-01 2001-02 2002-03 2003-04 2004-05
YEARS --->
IN MW
17
INSTALLED CAPACITY IN SR
The above capacity does not includes
--- About 1344 MW of Wind Mill Capacity in Tamil Nadu.
--- Micro and Captive plants in different states.
AGENCY HYDRO THERMAL GAS/DIESEL WIND/OTHERS NUCLEAR TOTAL
ANDHRA PRADESH 3586 2963 272 2 --- 6823
KARNATAKA 3332 1470 128 5 --- 4934
KERALA 1831 --- 234 2 --- 2067
TAMILNADU 1987 2970 423 19 --- 5399
PONDICHERRY --- --- 33 --- --- 33
CENTRAL SECTOR --- 8090 360 --- 830 9280
IPP 278 387 2506 1071 --- 4243
TOTAL 11014 (34%) 15880 (48%) 3956 (12%) 1099 (3%) 830 (3%) 32779 (100%)
18
15880 (48%)
11014 (34%)677 (2%)
830 (3%)422 (1.3%)
3956 (12%)
HYDRO THERMAL GAS WIND NUCLEAR OTHERS
SOURCE-WISE INSTALLED CAPACITY OF SR IN MW
32,779 MW
HYDRO
THERMAL
WINDNUCLEAR OTHERS
GAS
GENERATING UNITS IN SOUTHERN REGION
A.PKAR
TNKERGENERATORS ABOVE 1000 MW
GENERATORS 500 – 1000 MW
GENERATORS BELOW 500 MW
TYPICAL
GENERATOR
SPREAD
IN SR
UNIT CAPACITY AP KAR KER TN CGS TOTAL
THERMAL (500 MW) 2 8 10
THERMAL
(200-250 MW)10 7 13 15 45
GAS/THERMAL
(100-150 MW)9 2 3 10 24
HYDRO
(>50 MW)27 29 16 15 87
TOTAL 48 38 19 38 165
- HYDRO
- THERMAL
- GAS / NAPTHA
- NUCLEAR
20
LOAD 500-1500 MW
LOAD 200-500 MW
TYPICAL
LOAD
SPREAD
IN SR
KHAMMAM
VIJAYAWADANAGARJUNASAGAR
GAZUWAKA
HYDERABAD
RAICHUR
GOOTY
HOODY
SALEM
UDUMALPET
TRICHUR
MADURAI
TRICHY
MADRAS
NEYVELI
CUDDAPAH
DAVANAGERE
RAMAGUNDAM
BANGALORE
MUNIRABAD
PP
P
P
P
P
P
P
P
P
P
PP
P
P
KOLAR
63
HOSUR
1
60
P
NELLORE
NELAMANGALA
KURNOOL
KALPAKKA
SIMHADRI
HIRIYUR
TALAGUPPA
MAMIDIPALLY
SRI SAILAM
-- OF NTPC
-- OF ANDHRA PRADESH
-- OF KARNATAKA
-- OF NLC
-- OF POWERGRID
400KV SUB-STATIONS IN SR
NEYVELI TPS I (EXP)
POWERGRID STATE OTHERS TOTAL
AP 8 4 2 14
KAR 4 5 9
KER 1 1
TN 6 2 8
TOTAL 20 9 4 33
TRIVENDRUM
22
TRANSMISSION IN SOUTHERN INDIA
ABOUT 2800 CKM OF 400 KV LINES ADDED IN THE PAST 2 YEARS
VOLTAGE LEVEL AP KAR KER TN CGS TOTAL
400 KV 2042 1614 9850 13506
220/230 KV 10050 7590 2650 6270 366 26926
132/110 KV 12360 6060 3720 10220 32360
TOTAL 24452 15264 6370 16490 10216 71404
23
MONSOONS
SOUTH WEST MONSOON NORTH EAST
MONSOON
24
11000
13000
15000
17000
19000
21000
23000
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
HOUR ---->
DE
MA
ND
IN
MW
--->
TYPICAL LOAD CURVE OF SR
WINTER
MONSOON
SUMMER
EVENING PEAK
WEATHERRESERVOIR CONSUMPTION
25
DEEP VALLEY
DEEP VALLEY
SHARP
PEAK
26
KADAMPARAI PUMP OPERATION
-300
-200
-100
0
100
200
300
400
5000:
001:
002:
003:
004:
005:
006:
007:
008:
009:
0010
:00
11:0
012
:00
13:0
014
:00
15:0
016
:00
17:0
018
:00
19:0
020
:00
21:0
022
:00
23:0
00:
00
TIME ---->
IN M
W --
-->
48.50
49.00
49.50
50.00
50.50
51.00
FREQ
UENC
Y IN
HZ
---->
GENERATOR MODE
PUMP PUMP
SAVINGS OF RS 40 LAKHS EVERY DAY
INVESTMENT OF 1600 CRORES SAVED
27
OPPORTUNISTIC UI TRADEEXPORT TO WR ON 13/05/03-14/05/03
-300
-200
-100
0
100
200
300
400
500
600
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08
49
49.2
49.4
49.6
49.8
50
50.2
50.4
50.6
50.8
51POWER EXPORT TO WR ON
UI BASIS DURING LOAD CRASH
FREQ
28
SCHEDULE VS ACTUAL INJECTION GRAPH OF ER (AT ER PERIPHERY) FOR DATE : 31.08.03
0
100
200
300
400
500
600
700
800
900
0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92
TIME AS BLOCK OF 15 MINUTE --->
MW
-->
49.0
49.5
50.0
50.5
51.0
51.5
52.0
52.5
53.0
53.5
54.0
54.5
55.0
FREQ
UEN
CY
(Hz)
-->
SCHEDULE ACTUAL INJECTION ENTITLEMENT
SR FREQ ER FREQ
Entitlement
Schedule
Actual Injection
OPERATION ON 31/08/03 (Ganesh Chathurthi)
AMOUNT SAVED FOR SR CONSTITUENTS = 107 LAKHS
50 NOS HVDC SETPOINT CHANGES DONE TO ACHIEVE THIS!!!!!
29
DETAILS OF INTER-REGIONAL UI IMPORTS BY SR FROM WR AND ER DURING 20 th - 26th J UNE 05
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
20-J
un
21-J
un
22-J
un
23-J
un
24-J
un
25-J
un
26-J
un
UI ENERGY IMPORTED BY SR FROM WR & ER
-2.00
0.00
2.00
4.00
6.00
8.00
10.00
12.00
14.0020
-Jun
21-J
un
22-J
un
23-J
un
24-J
un
25-J
un
26-J
un
DAYS -->
EN
ER
GY
IN M
Us
--->
WR UI ER UI
TOTAL UI IMPORT AMOUNT @ SR RATE
0
100
200
300
400
500
600
20-J
un
21-J
un
22-J
un
23-J
un
24-J
un
25-J
un
26-J
un
DAYS --->
IN L
AK
HS
--->
0
10
20
30
40
50
60
70
80
90
100
20-J
un
21-J
un
22-J
un
23-J
un
24-J
un
25-J
un
26-J
un
AVERAGE UI TRANSACTION RATES IN RESPECTIVE REGIONS
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
20-J
un
21-J
un
22-J
un
23-J
un
24-J
un
25-J
un
26-J
un
DAYS --->
Rs
PE
R U
NIT
--->
SR RATE WR/ER RATE
NET GAIN BY SR CONSTITUENTS DUE TO RATE DIFFERENTIAL
0
10
20
30
40
50
60
70
80
90
100
20-J
un
21-J
un
22-J
un
23-J
un
24-J
un
25-J
un
26-J
un
DAYS --->
IN L
AK
HS
--->
30
GENERATION vs FREQUENCY FOR
10
30
50
70
90
08
:21
09
:21
10
:21
11
:21
TIME IN HH:MM ----->
MW
---
-->
49.00
49.20
49.40
49.60
49.80
50.00
50.20
50.40
FR
EQ
IN
HZ
---
-->
FREE GOVERNOR MODE OF OPERATION ON 12-DEC-04
SHARAVATHI -1
FREQ DROP FROM 49.72 HZ TO 49.27 HZ
i.e. ~ 0.45HZ
31
GENERATION vs FREQUENCY FOR
10
30
50
70
90
08
:21
09
:21
10
:21
11
:21
TIME IN HH:MM ----->
MW
---
-->
49.00
49.20
49.40
49.60
49.80
50.00
50.20
50.40
FR
EQ
IN
HZ
---
-->
FREE GOVERNOR MODE OF OPERATION ON 12-DEC-04
SHARAVATHI -4
FREQ DROP FROM 49.72 HZ TO 49.27 HZ
i.e. ~ 0.45HZ
32
0
100
200
300
400
500
600
700
800
900
1000
0 2 4 6 8 10 12 14 16 18 20 22 0
HOURS ---->
GE
NE
RA
TIO
N IN
MW
---
>
48.80
49.00
49.20
49.40
49.60
49.80
50.00
50.20
50.40
FR
EQ
IN H
Z--
->
SHARAVATHI GENERATION – TYPICAL DAY
FREQ
MW
33
OPTIMAL RESERVOIR UTILISATIONSHARAVATHY IN KARNATAKA
THE COST OF GENERATION AT SHARAVATHY IS LESS THAN 20 Ps /UNIT
AVERAGE SELLING UI RATE OF KARNATAKA IS 372 Ps/UNIT
PLANT OPERATORS AT SHARAVATHY THINK OF THE RESERVOIR LEVEL IN RUPEES
RATHER THAN IN FEET!!!
Rs. Rs.
Rs.
Rs.
Rs.
Rs.Rs.
Rs.
Rs.
Rs.
Rs.
Rs.
Rs.
Rs.
Rs.Rs.
34
VOLTAGE PROFILE IN SR GRID TYPICAL DAY IN OCTOBER 2004
360
370
380
390
400
410
420
430
440
RA
MA
GU
ND
AM
HY
DE
RA
BA
D
GA
ZU
WA
KA
NU
NN
A
N'S
AG
AR
KU
RN
OO
L
GO
OT
Y
NE
LLO
RE
CU
DD
AP
AH
BA
NG
ALO
RE
CH
EN
NA
I
NE
YV
ELI
VO
LT
AG
E L
EV
EL
02:00HRS
19:00HRS
35
INTER REGIONAL EXCHANGES
265
221
150 138
0
50
100
150
200
250
300
350
SR RATE WR RATE SR RATE ER RATE
RA
TE
(P
AIS
A/K
WH
) -
>
IMPORT BY SR FROM WR (668 MU)
IMPORT BY SR FROM ER (805 MU)
01-01-03 TO 11-09-05
IR EXCHANGES
36
INTER REGIONAL EXCHANGES
150 159
289
339
0
50
100
150
200
250
300
350
400
SR RATE WR RATE SR RATE ER RATE
RA
TE
(P
AIS
A/K
WH
) -
>
EXPORT BY SR TO WR (545 MU)
EXPORT BY SR TO ER (197 MU)
01-01-03 TO 11-09-05
37
INTER-REGIONAL EXCHANGES DETAILS UPTO 139 WKS (Till 28.08.05)
WR ER
Net Energy Transaction
113 MU
IMPORT BY SR
608 MU
IMPORT BY SR
Amount Due to
SR Constituents
Rs. 66.44 Cr. Rs. 13.68 Cr.
Amount Credited TO SR
Constituents
Rs. 66.44 Cr. Rs. 13.68 Cr.
38
AP KAR KER TN PONDY
Total UI exported(-) /
Imported(+) in MUs
-4619 4438 981 1517 -165
Total amount paid in Crores
Rs.-892 835 148 421 -32
Average rate of UI in paise/unit 193 188 151 277 196
SUMMARY OF UI – 141 WKS(FROM 01/JAN/03 TO 11/SEPT/05)
39
UI IN SR (FROM 01/01/03 TO 11/09/05)
• TOTAL UI TURNOVER :- 8893 MU
• TOTAL UI AMOUNT DISBURSED:- 1857 CR
• AVG WEEKLY TRANSACTION:- 67 MU
• AVG WEEKLY UI AMOUNT DISBURSED:- 13 CR
40Back
OD UD AND UI RATES OF CONSTITUENTS
188 179
242
202184
151
407
259
0
50
100
150
200
250
300
350
400
450
AP KAR KER TN
RA
TE
(P
AIS
E/U
NIT
)
OVER DRAWAL (PURCHASE) UNDER DRAWAL (SOLD)
207MU
4825MU
4470MU
31MU
1315MU
334MU
2090MU
573MU