Download - AUDITORS
1
AUDITORS
2
SOUTHERN REGION
WESTERNREGION
EASTERN REGION
NORTHERN REGION
NORTH-EASTERN REGION
INSTALLED CAPACITY
NORTHERN :- 31,230 MW
EASTERN :- 17,697 MW
SOUTHERN :- 31,876 MW
WESTERN :- 32,354 MW
NORTH-EASTERN :- 2,357 MW
TOTAL 115,514 MW
3
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
4
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
5
POPULATION :- 22.5 CRORES ( 22% OF INDIA)
AREA :- 651 (‘000 SQ KM)(19% OF INDIA)
INSTALLED CAPACITY:- 31,876 MW(27.6%)
WEATHER :- South-west monsoon
North-east monsoon
SEA COAST :- AROUND 4000 KM
SOUTHERN REGION – GEOGRAPHY
6
ANDHRA PRADESH
POPULATION :- 7.6 CRORES
AREA :- 275 (‘000 SQ KM)
NO OF CONSUMERS :- 162 LAKHS
PER CAPITA CONS. :- 560 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. :- 389 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. :- 300 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. :- 586 UNITS
MAIN AGRICULTURE CROP :- SUGAR CANE & OIL SEEDS
CLIMATIC CONDITION :- HOT AND HOT & HUMID
7
SR STATES – POWER SYSTEM STATISTICSANDHRA PRADESH
INSTALLED CAPACITY – 9531 MW
MAX DEMAND MET – 7441 MW
DAILY CONSUMPTION MAX – 166 MU
DAILY CONSUMPTION AVG – 130 MU
CONSUMER PROFILE –
INDS -29%, DOM-22%, COMM-5%, IRRI-34% & OTHERS-10%
KARNATAKA
INSTALLED CAPACITY – 5802 MW
MAX DEMAND MET – 5445 MW
DAILY CONSUMPTION MAX – 107 MU
DAILY CONSUMPTION AVG – 84 MU
CONSUMER PROFILE –
INDS -26%, DOM-37%, COMM-3%, IRRI-33% & OTHERS-1%
KERALA
INSTALLED CAPACITY – 2617 MW
MAX DEMAND MET – 2426 MW
DAILY CONSUMPTION MAX – 39 MU
DAILY CONSUMPTION AVG – 34 MU
CONSUMER PROFILE –
INDS -2%, DOM-76%, COMM-16%, IRRI-6%
TAMIL NADU
INSTALLED CAPACITY – 7074 MW
MAX DEMAND MET – 7228 MW
DAILY CONSUMPTION MAX – 147 MU
DAILY CONSUMPTION AVG – 126 MU
CONSUMER PROFILE –
INDS -33%, DOM-21%, COMM-9%, IRRI-27% & OTHERS-10%
8
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
10000
12000
14000
16000
18000
20000
22000
24000
26000
28000
30000
1994-95 1995-96 1996-97 1997-98 1998-99 1999-00 2000-01 2001-02 2002-03 2003-04
YEARS --->
IN MW
9
INSTALLED CAPACITY IN SR
STATES HYDRO THERMAL NUCLEARDIESEL/
GAS WIND OTHERS TOTAL IN %
AP 3586 2993 272 2 6853 21%
KAR 3111 1470 128 5 4714 15%
KER 1808 235 2043 6%
TN 1996 3570 423 19 6008 19%
C.S 6990 830 360 8180 26%
IPP 229 794 0 2432 245 377 4078 13%
TOTAL 10730 15817 830 3851 271 377 31876
IN % 34% 50% 3% 12% 1% 1%
10
15817 (50%)
10730 (34%)377 (1%)
830 (3%)271 (0.9%)
3851 (12%)
HYDRO THERMAL GAS WIND NUCLEAR OTHERS
SOURCE-WISE INSTALLED CAPACITY OF SR IN MW
31,876 MW
HYDRO
THERMAL
WIND
NUCLEAROTHERS
GAS
TAMILNADU HAS ABOUT 800 MW OF WINDMILL POWER WHICH IS NOT INCLUDED IN THE INSTALLED CAPACITY.
LIKEWISE MICRO AND CAPTIVE CAPACITIES ARE NOT INCLUDED
11
4714 (15%)
6853 (21%)4078 (13%)
8180 (26%)
6008 (18.8%)
2043 (6%)
AP KAR KER TN CS IPP
AGENCY-WISE INSTALLED CAPACITY OF SRIN MW31,876 MW
ANDHRA PRADESH
KARNATAKA
TAMIL NADU
CENTRAL SECTOR
IPP
KERALA
12
13000
14000
15000
16000
17000
18000
19000
20000
21000
22000
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
TIME IN HRS --->
DE
MA
ND
IN
MW
---
>
MONSOON SUMMER WINTER
TYPICAL LOAD CURVE OF SR
WINTER
MONSOON
SUMMER
EVENING PEAK
WEATHER
RESERVOIR CONSUMPTION SCROLL DEMAND
13
6%
23%4%
37%
30%
Domestic Commercial Irrigation Industry Others
LOAD COMPOSITION IN SOUTHERN GRID
Domestic
IndustryCommercial
Irrigation
Others
14
LOAD 500-1200 MW
LOAD 200-500 MW
TYPICAL
LOAD
SPREAD
IN SR
15
SR GRID - HIGHLIGHTS
• WIDE SPREAD TRANSMISSION NETWORK
• HIGHEST CAPACITY HVDC LINK IN COUNTRY
• GENERATING UNITS OF VARIED TYPE & CAPACITY
• 32 Nos. of 400 KV SUB-STATIONS
• 17600 MVA TRANSFORMATION CAPACITY
• INTER-REGIONAL LINKS WITH ALL NEIGHBOURING
REGIONS
16
GRID OPERATION IN THE PAST
• LOW FREQUENCY PROBLEMS– FREQUENCY AT 48 HZ AND BELOW FOR MOST TIME
• LOW VOLTAGE OPERATION– VOLTAGE AT BANGALORE DIPPED TO AS LOW AS 300 Kv!!!!
• FREQUENT GRID DISTURBANCES– LOADS FREQUENTLY CUT OFF DUE TO RELAY OPERATION
• INCREASED ELECTRICAL LOSSES– INEFFICIENT OPERATION OF ELECTRIC EQUIPMENTS
• INEFFICIENT UTILISATION OF RESOURCES FREQUENT DISTURBANCES CAUSED GENERATION LOST
EVEN AT PIT HEAD STATIONS
• GRID OPERATION FOCUSSED ON FIRE-FIGHTING RATHER THAN OPTIMISATION AND ECONOMY
17
GRID OPERATION PRESENT
STABILISED SYSTEM FREQUENCY
IMPROVED VOLTAGES
MERIT ORDER OPERATION
INTER REGIONAL EXCHANGES
IMPROVED GRID SECURITY
18
LANDMARKS
• UNIFIED LOAD DESPATCH SCHEME
• AVAILABILITY BASED TARIFF
• TALCHER-KOLAR HVDC LINK
• OPERATIONAL EXCELLENCE
• SPECIFIC ACTIONS BY SRLDC
• FINANCIAL DISCIPLINE
SCHD DRWL
19