overview of tpp

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  • 1. Punj Lloyd
    Thermal Power Plant
    By,
    Sadhana...
    Engineer
  • 2. Punj Lloyd
    Power Generation in 2008-09 & Requirement in 2010
    At present, Indias total installed power capacity stands at 1,47,402.81MW. Of this, the contribution of each sources are
    Thermal -93,392MW
    Hydro - 36,647.76MW
    Nuclear sources -4,120 MW
    Renewable energy -13,242.41 MW.
    Indias power generation capacity 68% below target in 2009.
    There is a huge demand for power in FY10.It is expected to grow by 4.6% with a capacity of 7,730 MW are likely in FY10.
  • 3. Punj Lloyd
    Types of Power Plants
    Mechanical Energy Electrical Energy
    Thermal Station: The turbine is rotated by steam which is produced by the heat generated by burning fuel in a Boiler.
    Hydel Power Plant: The mechanical energy is produced by inducing high pressure water through a nozzle onto the turbine.
    Nuclear Power Plant: Nuclear power is power (generally electrical) produced from controlled (i.e., non- explosive) nuclear Reactions i.e. fission or Fusion.
  • 4. The coal is brought and crushed to powder. This is feed to Boiler for producing heat
    In Boiler the water is converted to steam.
    In Super heater the moisture content is removed from the steam and that steam is called super heated steam
    The superheated steam rotates the shaft of the High pressure turbine
    The Exhausted steam is sent to preheater and the steam then rotates the Intermediate pressure(IP) Turbine
    The steam from the IP turbine is then feed to low pressure turbine.
    The turbine shaft is connected to the Generator, which produces Electric Power.
    The power generated is then Transmitted.
    Operation Mechanism
    Punj Lloyd
  • 5. Thermal Power Plant
    Power plant order is placed on EPC contract, which is divided into 2 parts
    EPC
    Punj Lloyd
    BOP
    Balance of plant 40% of total contract value
    BTG
    60% of total contract value
    CBOP
    Civil contributes
    25%
    Boiler, Turbine & Generator
    EBOP
    Electrical contrbutes
    15%
    MBOP
    Mechanical
    Contributes
    60%
    • BOP includes supply , erection and commissioning of complete plant excluding Boiler, Turbine & Generator.