SPECIFIC IMPROVEMENT IN SR IN RECENT PAST FREQUENCY IN NORMAL BAND % OF TIME FREQUENCY IN NORMAL BAND % OF TIME FREQUENCY IN NORMAL BAND % OF TIME FREQUENCY IN NORMAL BAND % OF TIME NORMAL VOLTAGES THROUGH OUT THE GRID NORMAL VOLTAGES THROUGH OUT THE GRID NORMAL VOLTAGES THROUGH OUT THE GRID NORMAL VOLTAGES THROUGH OUT THE GRID SYSTEM STRENGTHENING SYSTEM STRENGTHENING SYSTEM STRENGTHENING SYSTEM STRENGTHENING GAZUWAKA POLE-II GAZUWAKA POLE-II GAZUWAKA-VIJAYAWADA CKT-II AND III GAZUWAKA-VIJAYAWADA CKT-II AND III HYDERABAD-KURNOOL-GOOTY-NELAMANGALA HYDERABAD-KURNOOL-GOOTY-NELAMANGALA MADURAI – TRIVENDRUM D/C LINE MADURAI – TRIVENDRUM D/C LINE KAIGA – NARENDRA LINE KAIGA – NARENDRA LINE SPECIAL PROTECTION SCHEME FOR TALCHER-KOLAR SPECIAL PROTECTION SCHEME FOR TALCHER-KOLAR SPECIAL PROTECTION SCHEME FOR TALCHER-KOLAR SPECIAL PROTECTION SCHEME FOR TALCHER-KOLAR SYSTEM CONTINGENCY AVERTED ON SYSTEM CONTINGENCY AVERTED ON 26 JAN BIPOLE TRIP 26 JAN BIPOLE TRIP 28 APRIL 2005 – BIPOLE TRIP 28 APRIL 2005 – BIPOLE TRIP 9 TH MAY 2005 – ONLY POLE IN SERVICE TRIPPED 9 TH MAY 2005 – ONLY POLE IN SERVICE TRIPPED LOSSES IN GRID REDUCED CONSIDERABLY LOSSES IN GRID REDUCED CONSIDERABLY LOSSES IN GRID REDUCED CONSIDERABLY LOSSES IN GRID REDUCED CONSIDERABLY IMPROVEMENT IN SYSTEM SECURITY AND RELIABILITY IMPROVEMENT IN SYSTEM SECURITY AND RELIABILITY IMPROVEMENT IN SYSTEM SECURITY AND RELIABILITY IMPROVEMENT IN SYSTEM SECURITY AND RELIABILITY PROFILE

SPECIFIC IMPROVEMENT IN SR IN RECENT PAST FREE GOVERNOR MODE OF OPERATION FREE GOVERNOR MODE OF OPERATION FREE GOVERNOR MODE OF OPERATION FREE GOVERNOR MODE OF OPERATION KADAMPARAI PUMP MODE OPERATION KADAMPARAI PUMP MODE OPERATION KADAMPARAI PUMP MODE OPERATION KADAMPARAI PUMP MODE OPERATION STEPPED-UP IR TRANSACTIONS STEPPED-UP IR TRANSACTIONS STEPPED-UP IR TRANSACTIONS STEPPED-UP IR TRANSACTIONS MERIT-ORDER DESPATCH :- IMPACT OF REAL TIME DATA MERIT-ORDER DESPATCH :- IMPACT OF REAL TIME DATA MERIT-ORDER DESPATCH :- IMPACT OF REAL TIME DATA MERIT-ORDER DESPATCH :- IMPACT OF REAL TIME DATA REMOTE CONTROL INTERFACE:- CONTROL OF TALCHER- KOLAR DC POWER FROM RLDC REMOTE CONTROL INTERFACE:- CONTROL OF TALCHER- KOLAR DC POWER FROM RLDC REMOTE CONTROL INTERFACE REMOTE CONTROL INTERFACE TRAINING ON ULDC FOR SR CONSTITUENTS TRAINING ON ULDC FOR SR CONSTITUENTS TRAINING ON ULDC FOR SR CONSTITUENTS TRAINING ON ULDC FOR SR CONSTITUENTS

< & < & < & Above MaxMinAvgFVI FREQUENCY DURATION CURVE , & NEXT

YEAR FREQUENCY (Hz)% OF TIME WHEN FREQUECY WAS BETWEEN AVERAG FVI MAXIMUMMINIMUMAVERAGE < 48.5 HZ 48.5 TO HZ 49.0 TO HZ 49.5 TO HZ 50.0 TO HZ > 50.5 HZ 00 – – – – FREQUENCY SPECTRUM OF SOUTHERN REGION FOR PAST FIVE YEARS BACK

VOLTAGE PROFILE OF SOUTHERN REGION FOR PAST FIVE YEARS YEAR RAMAGUNDAMHYDERABADCUDDAPHABANGALOREMADRASTRISSURNEYVELI II MAXMINMAXMINMAXMINMAXMINMAXMINMAXMINMAXMIN

SOUTHERN REGION LOSS * **2005** LOAD (MW) (MW)LOSS(MW)LOSS %LOAD LOSS(MW)LOSS %LOAD LOSS(MW)LOSS %LOAD LOSS(MW)LOSS % AP KARNATAKA KERALA TAMILNADU PONDICHERRY CENTRALGENERATING STATION STATION SOUTHERNREGION *Source : Report of System Studies conducted for Accessing Shunt Compensation requirement in Southern Region – March 2004 and March SREB,CEA ** Projected figures 0.5% REDUCTION MEANS 100 CR ANNUAL SAVINGS 0.5% REDUCTION MEANS 100 CR ANNUAL SAVINGS

NO DISTURBANCES DESPITE LOSING ENTIRE SUPER GENERATING PLANTS LIKE RAMAGUNDAM,VIJAYAWADA,KOTHAGUDEM, NORTH CHENNAI, SHARAVATHY,NAGJHARI ETC MAJOR AND MINOR DISTURBANCES SINCE 1994

TALCHER-KOLAR IMPORT OF 21224MUs FROM ER THROUGH TALCHER-KOLAR UPTO OCT - 05 YEAR ---> MONTHS TOTAL ENERGY (IN MU) MAX FLOW (IN MW) TOTAL ENERGY (IN MU) MAX FLOW (IN MW) TOTAL ENERGY (IN MU) MAX FLOW (IN MW) TOTAL ENERGY (IN MU) MAX FLOW (IN MW) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC TOTAL AVERAGE MAX FLOW

KADAMPARAI GENERATION/PUMP ENERGY FROM JAN GENERATOR MODE PUMP MODE GENERATOR MODE PUMP MODE GENERATOR MODE PUMP MODE JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC TOTAL

FREQ BASED DESPATCH: ULDC

ULDC TRAINING PROGRAMS SL NAME OF THE TRAINING FROMTOParticipants Man Days 1 CISCO ROUTER & NETWORKING XA-21 USER LEVEL RTNA WORKSHOP AIX OPERATING SYSTEM XA-21 USER LEVEL SYBASE DATABASE ADMIN XA-21 USER LEVEL NMS TRAINING TRAINING ON RTU IS BEING REQUESTED REPEATEDLY BY CONSTITUENTS. FACULTY FOR THE SAME IS BEING IDENTIFIED.

KOLAR RCI CONTROL