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SOUTHERN REGIONAL LOAD DESPATCH CENTRE, BANGALORE

SOUTHERN REGIONAL LOAD DESPATCH CENTRE, BANGALORE. POWER GRID CORPORATION OF INDIA LIMITED. ENERGY CONSERVATION IN SR - A CASE STUDY. V.K.AGRAWAL K.RAMAKRISHNA P.BHASKARA RAO V.BALAJI

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SOUTHERN REGIONAL LOAD DESPATCH CENTRE, BANGALORE

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  1. SOUTHERN REGIONAL LOAD DESPATCH CENTRE, BANGALORE POWER GRID CORPORATION OF INDIA LIMITED ENERGY CONSERVATION IN SR - A CASE STUDY V.K.AGRAWAL K.RAMAKRISHNA P.BHASKARA RAO V.BALAJI AGM DGM DGM CM

  2. PRESENTATION OVERVIEW • SOUTHERN REGIONAL GRID – AN OVERVIEW • TYPICAL ISSUES IN THE PAST • PRESENT CONDITIONS & CARDINAL EVENTS • TRANSMISSION NETWORK AND LOSS ANALYSIS • ACTION PLAN FOR LOSS REDUCTION • METERING AND ACCOUNTING PHILOSOPHY …

  3. THANK YOU

  4. SOUTHERN REGIONAL GRID AN OVERVIEW

  5. REGIONAL GRIDS 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 NORTHERN REGION NORTH-EASTERN REGION EASTERN REGION WESTERNREGION SOUTHERN REGION

  6. ‘ ELECTRICAL’ REGIONS 1 NORTHERN REGION NORTH-EASTERN REGION EASTERN REGION 2 WESTERNREGION 3 SOUTHERN REGION SAME FREQUENCY FROM GUJARAT TO ARUNACHAL PRADESH WITH EFFECT FROM MARCH 2003 ABOUT 2800 KMS! APART

  7. ‘ELECTRICAL’ REGIONS NORTHERN REGION 1 NORTH-EASTERN REGION EASTERN REGION WESTERNREGION 2 SOUTHERN REGION WITH THE COMMISSIONING OF THE TALA PROJECT CONNECTING THE EASTERN AND NORTHERN GRIDS, INDIA WILL HAVE ONLY TWO GRIDS

  8. ANDHRA PRADESH KARNATAKA TAMIL NADU KERALA SOUTHERN REGION – GEOGRAPHY 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

  9. SR STATES – GEOGRAPHY KARNATAKA 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 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 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 ALL INDIA 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

  10. 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.

  11. SOURCE-WISE INSTALLED CAPACITY OF SR IN MW NUCLEAR OTHERS WIND HYDRO GAS THERMAL 32,779 MW

  12. GENERATING UNITS IN SOUTHERN REGION A.P TYPICAL GENERATOR SPREAD IN SR KAR - HYDRO - THERMAL KER TN GENERATORS ABOVE 1000 MW - GAS / NAPTHA GENERATORS 500 – 1000 MW - NUCLEAR GENERATORS BELOW 500 MW

  13. TYPICAL LOAD SPREAD IN SR LOAD 500-1500 MW LOAD 200-500 MW

  14. 400KV SUB-STATIONS IN SR KALPAKKA RAMAGUNDAM 1 GAZUWAKA P SIMHADRI KHAMMAM HYDERABAD P P P MAMIDIPALLY P VIJAYAWADA RAICHUR NAGARJUNASAGAR P SRI SAILAM MUNIRABAD P KURNOOL P GOOTY CUDDAPAH 60 P NELLORE DAVANAGERE HIRIYUR NELAMANGALA BANGALORE TALAGUPPA KOLAR P MADRAS -- OF POWERGRID P HOODY HOSUR -- OF NTPC NEYVELI TPS I (EXP) 63 -- OF ANDHRA PRADESH SALEM P NEYVELI -- OF KARNATAKA UDUMALPET TRICHY P -- OF NLC TRICHUR P P P MADURAI TRIVENDRUM

  15. TRANSMISSION IN SOUTHERN INDIA ABOUT 2800 CKM OF 400 KV LINES ADDED IN THE PAST 2 YEARS

  16. MONSOONS SOUTH WEST MONSOON NORTH EAST MONSOON

  17. TYPICAL LOAD CURVE OF SR SUMMER EVENING PEAK WINTER MONSOON WEATHER RESERVOIR CONSUMPTION

  18. TYPICAL ISSUES IN THE PAST

  19. GRID OPERATION – TYPICAL ISSUES IN PAST • LOW / HIGH FREQUENCY PROBLEMS • FREQUENCY EXCURSES TO LOW/HIGH VALUES • LOW / HIGH VOLTAGE OPERATION • CRITICALLY LOW VOLTAGES AT LOAD CENTRES • SUBSTANTIALLY HIGH VOLTAGES AT FAR ENDS • SYSTEM BROWNOUTS / BLACK OUTS • SEPERATION OF SYSTEMS / LOSS OF LOAD • ECONOMIC IN-STABILITY / INCREASED ELECTRICAL LOSSES • UNRELIABLE / INEFFICIENT OPERATION OF EQUIPMENT ...THE END RESULT :

  20. GRID OPERATION: A TIGHT ROPE WALK POWER SWINGS INSTABILITY INCREASED LOSSES BLACK-OUT IN-ECONOMIC OPERATION VOLTAGE COLLAPSE

  21. PRESENT CONDITIONS&CARDINAL EVENTS

  22. FREQUENCY DURATION CURVE 2002-03, 2003-04 & 2004-05 FVI 2004-05 2002-03 2003-04

  23. FREQUENCY SPECTRUM OF SOUTHERN REGION FOR PAST FIVE YEARS

  24. SHARP PEAK DEEP VALLEY DEEP VALLEY

  25. MAJOR AND MINOR DISTURBANCES IN SR SINCE 1994 NO DISTURBANCES DESPITE LOSING ENTIRE SUPER GENERATING PLANTS LIKERAMAGUNDAM,VIJAYAWADA,KOTHAGUDEM, NORTH CHENNAI, SHARAVATHY ,NAGJHARI ETC

  26. GRID PRESENT STATUS -- CARDINAL EVENTS • AVAILABILITY BASED TARIFF • UNIFIED LOAD DESPATCH SCHEME • GENERATION CAPCITY ADDITION • INTERREGIONAL AC / HVDC LINKS • OPERATIONAL EXCELLENCE ...THESE EVENTS CHANGED THE FACE OF GRID OPERATION

  27. FREQUENCY CURVE FOR 9th SEPTEMBER 2004 FVI = 0.04 Avg Freq = 49.99Hz 10 * ∑ (F – 50) 2 FVI = ------------------------------- 24 * 60

  28. RESERVOIR LEVEL - COMPARISON

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