ASSIGNMENT HELP ON PERFORMANCE AND ANALYSIS OF OVERALL PLANT LAYOUT IN GENTING LANCO POWER (INDIA) PVT LTD

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INTRODUCTION          

ABOUT LANCO POWER PLANT:-            

                                      LAGADAPATI AMARAPPA NAIDU COMPANY, called as LANCO at IDA KONDAPALLI, with a power generator capacity of 368.144MW. The plant contains two gas turbines, two heat recovery steam generators, one steam turbine & the cooling towers which consists 13cells. Natural gas, NAPTHA and HSD (high speed diesel) are used as fuels either in mixed proportions or individually.

LANCO Kondapalli Power Plant is an Independent Power Project (IPP) located at Kondapalli Industrial Development Area near Vijayawada in India. The Plant is a 368.144 MW Combined Cycle Power Project operating on Natural Gas as primary fuel.

The plant has two Gas Turbines of GE Frame 9E, two Heat Recovery Steam Generators and one Steam Turbine.

Based on a Power Purchase Agreement (PPA) for a period of 15 years, the plant supplies power to APSDCL (Andhra Pradesh Southern Distribution Company Limited- rest while Transmission Corporation of Andhra Pradesh Limited (AP TRANSCO)).

The Operation and Maintenance of the power plant is done by the Genting Lanco Power (I) Private Limited, which is jointly owned by Genting Group, Malaysia and LANCO Group, India. 

Plant Background

The plant was set up as a short gestation power projects in the private sector on the basis of "Tariff-Based International Competitive Bidding" as per the Government of India's guidelines dated 18 January 1995.

Based on Andhra Pradesh State Electricity Board‘s (now the Transmission Corporation of Andhra Pradesh Limited (AP TRANSCO) tender, Lanco Kondapalli Power Private Limited was awarded the project on Build, Own and Operate (BOO) basis.

OVERERALL VIEW 

LANCO POWER PLANT OVERALL VIEW   

              The Lanco power plant consists of two gas turbines and steam turbine natural air from atmosphere is drawn into the compressor and these compressed air mixed with fuel in combustion chamber and is ignited the thermal energy with gases produced is utilized for running the gas turbine, coupled to alternator generating electric power at 15k.v. the heat of flue gases coming out at gas turbine, is used to heat the water and produce the steam. The steam thus produce is sent to the steam turbine. There by effectively using the waste heat of the flue gases for power generation and increasing the efficiency of the plant.

               Steam coming out from the steam turbine is condensed to water in the                                       condenser.  Which is water cooled in condenser, the circulating water takes heat from steam. There by condensing the steam to water. The plant uses the cooling towers to cool the hot water from the condenser, to a required temperature range by rejecting   the heat from the atmosphere finally; the cold water is fed back to the condenser from the cooling towers.              

              Water required for various purposes is obtained from the Krishna River. There is a pump arrangement at ferry to pump water to Lanco. The plant also consists of two large water ponds to store water for the extreme conditions. With this stored water plant can run for 15 days without any obstruction in adverse conditions.

                  The type of cooling tower used is of mechanical draft induced type where the air flow (or draft) needed is provided (sucked) by a fan which is arranged at the top of the cooling tower& is externally driven by a power source motor. The flow of water to air is of counter flow type. I.e. the hot water from a particular height falls down words through the nozzles of the pipes within the tower and where as the air moves through it vertically up words taking away the heat from the water in the form of evaporated water (water vapour). 

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