NATIONAL THERMAL POWER CORPORATION

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BRIEF NTPC-AN INTEGRATED POWER MAJOR
A journey towards excellence established in 7 Nov. 1975, NTPC limited, a premier sector enterprise, is India’s largest power utility with an installed capacity of 27,904MW through 26 power station including station operated under joint exploration, power distribution trading and also plans to enter into nuclear power development. NTPC plans to become a 50,000MW Company by 2012 and 75,000MW plus company by 2017. The company contributed 29.25% share of the total installed capacity of the nation including capacity and generation of joint venture companies
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1.1 COMBINED CYCLE TECHNOLOGY:-
The year was 1985, government of India decided to effectively use the “sweetened natural gas”, which was to be made available by “GAIL” through cross-country HBJ gas pipe line NTPC was entrusted with a responsibility to set up gas based power project in Gujarat, Rajasthan and Utter Pradesh, NTPC submitted the feasibility reports for 3 gas based projects at Anta (Rajasthan), Auraiya (U.P) and Kawas (Gujarat).
The feasibility report of anta was approved by government of India in October, 1986. The land was simultaneously acquired, bhoomi poojan of the land to start the work performed on 16.01.1987 by the then CMD shri M.L. shishoo, and the charging of “construction power” was inaugurated.


1.2 MILE STONE:-
Govt. approval of feasibility report - 20.10.86
Bhoomi poojan - 16.01.87
Award of main plant turnkey contract - 24.08.87
Synchronization of GT-1 - 20.01.89
Synchronization of GT-2 - 04.03.89
Synchronization of GT-3 - 04.05.89
Synchronization of ST - 09.03.90
Location : anta in Baran district of Rajasthan
Total land : 390.75 acres.
Fuel : natural gas naphtha
Water source : KOTA RIGHT MAIN CANAL
Net plant output : 419.33 MW


1.3 SALIENT FEATURES OF ANTA
GAS TURBIN :89, TYPE 13D-2, ABB MAKE, 5TH STAGE REACTION TURBINE
GT COMPRESSR : 18TH ST; AGE AXU\IAL FLOW, REACTION BLADING
COMBUSTION CHAMBER :SINGLE SILO TYPE, DUAL FUEL FIRE BURNER
AIR INTAKE FILTER :SELF CLEANIN, SYNTHETIC PAPER, TOTAL 945 FILTERS IN THREE TIRES
BYPASS STACK :VERTICAL 25M. HIGH
WASTE HEAT RECOVERY UAL PRESSURE, DOUBLEDRUM, UNFIRED, FORCED CIRCULLATION BOILER PRESSURE FLOW TEMP HP 62.70 BAR 163 T/HR 485℃
LP 5.5 BAR 39.1 T/HR 207℃
STEAM TURBINE :153.20MW, TANDEM COMPOUNDED , DOUBLE EXHAUTST, CONDENSING TYPE, SINGLE FLOW HORIZONTAL 25 STAGE HP TURBINES.
CONDENSOR OUBLE PASS SURFACE CONDENSOR WITH STAINLESS STEEL TUBES, COOLING 13988M3.