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    by: avinish

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    1 : DEPARTMENT OF MECHANICAL ENGINEERING PRIYADARSHINI COLLEGE OF ENGINEERING (2010-2011) A SEMINAR REPORT ON: MICROTURBINE SUBMITTED BY: MR AVINISH ROLL-11(A) 5TH SEM ME GUIDED BY: MATE SIR.
    2 : MICROTURBINE
    3 : INTRODUCTION Microturbine are new type of combustion turbine used for stationary energy generation. Approximately the size of a refrigerator with out puts of 25 to 500 kW. They provide not only electricity , but the thermal energy to provide for all heating and cooling needs.
    4 : WHAT IS A MICROTURBINE They evolved from automotive and truck turbochargers, auxiliary power units for airplanes It comprised of a compressor, combustor, turbine, alternator, recuperator,and generator. Waste heat recovery can be used with these system to achieve greater efficiency.
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    6 : COMPONENETS OF A MICROTURBINE TURBO COMPRESSOR COMBUSTOR GENERATOR RECUPERATOR TURBINE POWER ELECTRONICS
    7 : WORKING PRINCIPLE Microturbine engine has only one moving part, basically a shaft. At one end of the shaft is a turbine wheel, at the opposite end of the shaft is permanent magnet electric generator, and at the mid point of that shaft is an air impeller wheel( air compressor). Compressor drawing air in it an compressing it, and then pumping it into combustor.
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    10 : CHARACTERITICS OF MICROTURBINES Distributed generation Quality power and reliability Stand by power Boost power Low cost energy Combined heat and power (cogeneration)
    11 : ADVANTAGES Small number of moving parts Compact size Lightweight Good efficiencies in cogeneration Low emission Can utilize waste fuels Long maintenance interval No vibration Less noise than reciprocating engines
    12 : DISADVANTAGES Low fuel to electricity efficiencies Loss of power output and efficiency with higher ambient temperature and elevation.
    13 : APPLICATIONS OF MICROTURBINES Combined heat and power (co-generation) Distributed power generation Hospitals Backup generators Vehicle applications Hybrid vehicle(microturbine to high speed alternator) Hybrid vehicle (microturbine and fuel cell together)

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