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INTRODUCTION. I/C 1947 & AT PRESENT. GROWTH OF I/C. EVOLUTION OF PS IN INDIA. ELECTRICITY ACTS. GROWTH PLANS. RLDC. GROWTH OF INDIAN POWER SECTOR. FORMS OF POWER. ABT. POWERGRID IN SR. IEGC PARAMETERS. FREE GOVERNOR OPERATION. LINKS. SR GRID. SR GRID MAP. INTER-REGIONAL LINKS.
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INTRODUCTION I/C 1947 & AT PRESENT GROWTH OF I/C EVOLUTION OF PS IN INDIA ELECTRICITY ACTS GROWTH PLANS RLDC GROWTH OF INDIAN POWER SECTOR FORMS OF POWER ABT POWERGRID IN SR IEGC PARAMETERS FREE GOVERNOR OPERATION
LINKS SR GRID SR GRID MAP INTER-REGIONAL LINKS HIGHLIGHTS SR INSTALLED CAPACITY STATEWISE BREAKUP OF I/C GROWTH OF I/C & PEAK DEMAND IMPORT THROUGH HVDC INTER-REGIONAL IMPORTS FREQ SPECTRUM 2003-04 U/F RELAY VOLTAGE SPECTRUM 2002-03 TYPICAL CITY LOADS 3D FREQUENCY JULY-03 EXPECTED T/L EXPECTED GENERATION 3D DEMAND JULY-03 INTER-STATE TIE LINES SHARE ALLOCATION TALCHER CGS GEN COST INTER-REGIONAL IMPORTS 6 Yrs PROBLEMS SOLUTIONS RESERVOIR POSITION MILESTONES OF SR SPARE SPARE POST ABT ANDHRA PRADESH KARNATAKA KERALA TAMIL NADU Hierarchy of ULDC Communication Channel Control Centres ULDC PROJECT
ANDHRA PRADESH INSTALLED CAPACITY CONSUMER PROFILE QUICK FACTS GRID HIGHLIGHTS VTS & LANCO EVACUATION KTS EVACUATION PROBLEMS GZK EVACUATION THERMAL N’SAGAR & SRISAILAM RESERVOIR TWIN CITY RING MAIN HYDRO EXPECTED TRANS. ADDITIONS COST OF GENERATORS JALAPUT RESERVOIR EXPECTED GEN. ADDITIONS 3D DEMAND JULY-03 REACTIVE POWER MANAGEMENT NATURAL ADVANTAGES POWER REFORMS
KARNATAKA PSP 1985 PSP 1995 EVOLUTION PSP 1975 INSTALLED CAPACITY CONSUMER PROFILE QUICK FACTS GRID HIGHLIGHTS KAPS & NJPH EVACUATION NELAMANGALA PROBLEMS RTPS EVACUATION FINAL SHARAVATHY RIVERS AND RESERVOIRS FINAL NELAMANGALA PRESENT SHARAVATHY 400KV T/L 3D DEMAND JULY-03 220KV T/L EXPECTED EXPECTED GEN. ADDITIONS VARIABLE COSTS SHORT CKT LEVEL
KERALA INSTALLED CAPACITY CONSUMER PROFILE QUICK FACTS GRID HIGHLIGHTS GENERATION SCHEME GROWTH OF PER CAPITA INCOME PROBLEMS WIND MILL POTENTIAL GROWTH OF I/C Vs DEMAND GROWTH OF GEN & CONSUMPTION INFLOWS OF IDDUKI & KAKKI BREAKUP OF ENERGY CONSUMED 3D DEMAND JULY-03 VARIABLE COSTS POWER MAP EXPECTED GEN. ADDITIONS
TAMIL NADU INSTALLED CAPACITY CONSUMER PROFILE QUICK FACTS GRID HIGHLIGHTS LOAD CENTRES TYPICAL LOADS IN MAIN CITIES PROBLEMS PROXIMICITY OF GENERATING STN. WIND ENERGY CHENNAI SUPPLY LIST OF HYDRO STATIONS PUMP STORAGE EXPECTED TRANS. ADDITIONS 3D DEMAND JULY-03 TOTAL INFLOWS EXPECTED GEN. ADDITIONS VARIABLE COSTS
SOUTHERN REGIONAL GRID • ▀ Comprises four States and Union Territory of Pondicherry • ANDHRA PRADESH • KARNATAKA • KERALA • TAMIL NADU • Union Territory of Pondicherry • ▀ Centre Generating Stations in the Region are • Ramagundam Super Thermal Power Stn. : 2,100 MW (200x3 + 500x3) • Neyveli Lignite Corporation Ltd. - II : 1,470 MW (210 x 7) • Neyveli TPS I (Expansion) : 420 MW (210 X 2) • Madras Atomic Power Station : 340 MW (170 x 2) • Kaiga Generating Station : 440 MW (220 x 2)
TALCHER SR GRID MAP BHADRAVATI JEYPORE 178x2 SIMHADRI NTPC 2x221 8x4 RSTPP GAZUWAKA(AP) 1 301x2 189 15x2 P 187 195 VISAKHAPATNAM (POWERGRID) 267x2 KHAMMAM HYDERABAD 317 P P 115 197x2 P MMDP 155 P VIJAYAWADA 146x2 221x2 258 RAICHUR NAGARJUNASAGAR P Nagjhari 279 172 308 SSLMM MUNIRABAD P KODASAALY 277 KURNOOL 52x2 KAIGA SIRSI 120 P N GOOTY CUDDAPAH 60 P DAVANAGERE 300 NELLORE 173 302 400 KV LINE PRESENTLY OPERATED AT 220 KV KADRA HIRIYUR 330 242 28 NELAMANGALA ALMATHI BANGALORE 98 TALAGUPPA P MADRAS P KOLAR HOODY HOSUR MAPS 182 181 63 175 PONDICHERY SALEM 54 P NEYVELI 179 151 164x2 UDUMALPET TRICHY P 130x2 TRICHUR P P 127 130x2 P MADURAI PALLOM KAYANKULAM EDAMON 2x78 THIRUVANATHAPURAM
INTER REGIONAL LINKS TALCHAR CHANDRAPUR ORISSA JEYPORE MAH M.P BALIMELA BARSUR GAZUWAKA RAMAGUNDAM U.SILERU KOLHAPUR L.SILERU A.P BELGAUM T AMBEWADI GOA KAIGA KAR HVDC BI POLE HVDCB2B STATION KOLAR MAPS CENTRAL GEN.STATION NEYVELI PONDICHERRY 220 kV LINE T.N 400 kV LINE 110 kV HVDC LINE KER POWERGRID SRLDC
INSTALLED CAPACITY OF SOUTHERN REGION AS ON 01-08-2003 IN MW 28711MW
INSTALLED CAPACITY OF SR IN MW AS ON 1ST AUG 03
STATEWISE BRAKUP OF INSTALLED CAPACITY IN SR AS ON 01.08.2003 IN MW 28711MW
SOUTHERN REGIONAL GRID HIGHLIGHTS • Installed Capacity - 28,711MW • Average Daily Consumption - 368 MU • Average Grid Frequency - 49.77 HZ • Peak Demand Met - 20,428 MW • Demand Deficit - 10 % • Energy Deficit - 7 %
Growth of Installed Capacity & Peak Demand Met Average Rate of Growth of Installed Capacity (MW): 4.5 % Average Rate of Growth of Peak Demand met (MW): 5.6 %
IMPORT THROUGH HVDC 846 Crores 829 Crores 578 Crores 430 Crores 298 Crores 77 Crores
INTER REGIONAL LINKS IN MUs
FREQUENCY SPECTRUM FOR 2003- 04(UPTO JULY-03) LAST FOUR YEARS
PROBLEMS • LOW GRID FREQUENCY • LOW VOLTAGES • HEAVY MVAR DRAWALS • CAPACITOR INSTALLATION-BACKLOG • MEAGRE RELIEF FROM AUFR’S • RELUCTANCE - MANUAL LOAD SHEDDING • TRANSMISSION CONSTRAINTS • EVACUATION PROBLEMS • TRUNK LINES LOADING • LITTLE OR NO REDUNDANCY • PROTECTION CO-ORDINATION • GRID • DEFENCELESS • VULNERABLE
SOLUTION • MAINTAIN FREQ BETWEEN 49-50.5 HZ • ACCELERATE SHUNT CAPACITOR INSTALLATION • REINSTATE 2 STAGE UFR’S • PROTECTION CO-ORDINATION • AUGMENTATION OF TRANSMISSION • SCIENTIFIC SETTLEMENT SYSTEM-ABT • FREE GOVERNOR MODE • SELF HEALING MECHANISM • CONJUNCTION
MILE STONES • NTPC U # 1 200MW 27-10-1983 • NLC II U # 3 210MW 29-03-1986 • MAPS U # 1 235MW 23-07-1983 • KGS U # 2 220MW 02-12-1999 • AP VTPS U # 1 210MW 01-11-1979 • KAR RTPS U # 1 210MW 23-09-1985 • TN TTPS U # 1 210MW DEC-1978 • KER KyTPS U#1 115MW 02-11-1998 • CHANDRAPUR B t B 29-09-1997 • GAZUWAKA B t B 20-03-1999 • TALCHER-KOLAR HVDC 16-09-2002
Hierarchy of The ULDC Scheme in Southern Region RLDC,Bangalore SCC, Pondy CPCC Hyderabad Kalamassery Chennai Bangalore Andhra Kerala Tamilnadu Karnataka Hyderabad Kalam’erry Chennai Bangalore Cuddapah Kannur Erode Davangere Warangal Trivandrum Madurai Hubli Vijayawada
Communication Channel for Information flow RLDC Wide Band Commn (MW / FO) SLDC SLDC Wide Band Commn Sub-LDC Sub-LDC Wide Band / PLCC Commn RTU RTU RTU
Information Flow to Control Centres Ramagundam Karnataka Warangal Satellite Ghanapur HYDERABAD Vijayawada Andhra Pradesh Hubli Davangeree MW Link Chinkampalli FO Link Bangalore State owned Link CHENNAI Sub-LDC SLDC Pondy RLDC Kannur-B Erode UT of Pondy Kerala KALAMASSERY Tamilnadu Madurai Vydyuthi Bhavanam
RSCC (1) CPCC (1) SLDC (4) SUB-LDC / SCC (14) FIBRE OPTIC LINK 110/132kv FIBRE OPTIC LINK (220kv) FIBRE OPTIC LINK (400kv) FIBRE OPTIC LINK (SEB) MICROWAVE LINK (39 links) SATELLITE LINK (KEB) RTU LOCATIONS (201) POWERGRID-ULDC PROJECT SOUTHERN REGION OVERALL TELECOM BACKBONE NETWORK PEDAPALLI RAMAGUNDAM DURSHED JAMMIKUNTA GAJUWAKA VIZAG SWS WARANGAL SHAPURNAGAR BOMMUR GHANAPUR HYDERABAD KAKINADA VTPS CH.GUTTA BHIMADOLE N’SAGAR PH HYDERABAD 400 VIJAYAWADA TALLAPALLI SRISAILAM PH KURNOOL SRISAILAM LBPH APTRANSCO RTUs 82(NEW) SOMAYAJULAPALLI HUBLI GOOTY N MUDDANOORRTPP DAVANAGERE CHINAKAMPALLY ANANTHAPUR BANGALORE PONDY RTUs 5 (NEW) 10 (EXST) CHENNAI SOMANAHALLI KPTCL RTUs 22 (NEW) 21 (EXST) SRIPERUMBUDUR KUMBALGODI P SP.KOVIL VILLIANUR PONDY KANNUR-B SALEM400 CENTRAL SECTOR RTUs 27(NEW) PANRUTI NEYVELI SALEM230 ERODE CHIDAMBARAM INGUR KOZHIKODE MYLADUTURAI PONGALORE UDUMALPET TRICHY KOVILVENNI TRICHUR NORTH THIRUVARUR TANJORE ADANIKOTTAI PUDUKOTTAI KALAMASSERY THIRUMAYAM MADURAI400 KARAIKUDI CHALAKUDI KSEB RTU’S 30(NEW) MADURAI SIVAGANGA PALLOM TNEB RTUs 40 (NEW) 35 (EXST) KAYANKULAM VIAKKAM KUNDARA PARIPALLI TRIVANDRUM NORTH VYDYUTHI BHAVANAM
REACTIVE POWER MANAGEMENT • TAP POSITION OF 400KV ICTs AT GAZUWAKA, VIJAYAWADA, KHAMMAM & HYDERABAD CHANGED. • MVAR INJECTION(220KV TO 400KV) THROUGH ICT AT GAZUWAKA BUS REVERSED. • MVAR EXPORT(400KV TO 220KV) THROUGH ICT AT VIJAYAWADA, KHAMMAM & HYDERABAD INCREASED. • APTRANSCO REPORTED IMPROVEMENT IN 220KV VOLTAGE PROFILE & REDUCTION IN LOSS BY 1%(APPROX.)
POWERGRID TRANSMISSION LINES EXPECTED IN CKM 2003-04
IN MW SHARE ALLOCATION BEFORE TALCHER(2000MW)
220KV INTER STATE TIE-LINES IN SERVICE • Tandur (AP) – Sadem (Kar) - Radial load on AP. • Gooty (AP) – Alipur (Kar) - Radial load on AP. • Chittoor (AP) – Tiruvalam (TN) - Radial load on AP. • Sulurpet (AP) – Gummidipundi (TN)- Radial load on AP. • Theni (TN) – Muzhiyar (Ker) - Radial load on Ker. ADVANTAGES: • REDUCTION IN CONGESTION IN 400KV LINES • IMPROVEMENT IN VOLTAGE PROFILE • REDUCTION IN LOSSES • REDUCTION IN ANGULAR DIFFERENCE • BETTER STABILITY
South India Sharavathi Kuttiadi
MYSORE KGF SIVA EVOLUTION: DID YOU KNOW? 1 172 1902: ASIA’S FIRST HYDRO GENERATING STATION AT SHIVANSAMUDRA-42 MW A 78.5 KV D/C LINE WAS ALSO LAID BETWEEN SIVANSAMUDRA AND MYSORE. A FREQUENCY CONVERTER AT MYSORE DELIVERED 50 HZ! SIVANSAMUDRA WAS CONNECTED TO KGF BY A 78.5 KV D/C LINE. POWER WAS DELIVERED AT 25 HZ!!!
EVOLUTION: YEAR-1975 KOLHAPUR SHARAVATHY-1964-1035 MW MUNIRABAD-1962-27 MW TB DAM-1955-14.4 MW BHADRA-1962-39.2 MW SIVA-1902-42 MW SHIMSHA-1940-17.2 MW MGHE-1947-120 MW BELGAUM HUBLI SHARAVATHY SHIMOGA BANGALORE MANGALORE MYSORE
EVOLUTION -YEAR:1985 • PEAK DEMAND MET: 1769 MW • CONSUMPTION : 9546 MU • ABOUT 26 MU/DAY • HYDRO GENERATION: 8415 MU • RTPS UNIT 1 SYNCH’D ON 29/3/1985 • INSTALLED CAPACITY: • HYDRO: 2009MW • THERMAL 210 MW • TOTAL 2219 MW GRIDMAP 1985
EVOLUTION -YEAR:1985 • KARNATAKA IN PARALLEL WITH MAHARASHTRA- BLGM-KOLHAPUR D/C LINE- SINCE AUG 1984 • KARNATAKA IMPORTED 723 MU FROM MSEB • PEAK FLOW ON THIS LINE 360 MW • NTPC SHARE WAS TAKEN RADIALLY FROM SEP 1984 ONWARDS • GOOTY-MUNIRABAD:120 MW-271 MU • HYDERABAD-SHAHBAD:120 MW-236 MU GRIDMAP 1985
EVOLUTION -YEAR:1995 • INTEGRATED OPERATION IN SOUTHERN REGION • INSTALLED CAPACITY KARNATAKA: • HYDRO 2506 MW • THERMAL 840 MW • DIESEL 128 MW • TOTAL 3475 MW • PEAK DEMAND MET 3224 MW • CONSUMPTION 19718 MU • ABOUT 54 MU EVERY DAY GRIDMAP 1995
KARNATAKA: QUICK FACTS • TOTAL AREA 191791 SQ KMS • NUMBER OF CONSUMERS 105 LAKHS • CONNECTED LOAD 14157 MW • 400 KV TL 1456 CKM • 220 KV TL 7433 CKM • 110 KV TL 6058 CKM • 66 KV TL 6196 CKM • 33 KV TL 6543 CKM • TOTAL LENGTH OF HT LINES 129434 KMS
INSTALLED CAPACITY OF KARNATAKA AS ON 01-08-2003 IN MW 5041MW
PROBLEMS FACED IN OPERATION • GENERATION DEPENDENT ON MONSOON • LOAD CENTRE IN SOUTH-GENERATION IN NORTH AND NORTH WEST-500-600 KMS AWAY • RTPS EVACUATION- O/L OF RTPS-LINGASUGUR LINES • KAPS EVACUATION –O/L OF KODASALLI-NJPH LINES– SLOW SWING • NJPH EVACUATION- O/L OF NJPH-HUBLI • LOADING OF GUTTUR-HIRIYUR-GB’NUR-DBPURA-HOODY SHOW ME SHOW ME SHOW ME GRIDMAP 220