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Gas Turbines


General Objectives:
To deepen knowledge about gas turbine technology and enhance competency in the selection, operation and maintenance of gas turbines.

Specific Objectives:

At the end of training the trainees will be able:
  • To understand gas turbine operation;
  • To understand selection criteria based on process and on-site conditions;
  • To participate in gas turbine troubleshooting;
  • To know how to create a gas turbine maintenance schedule.


CONTEÚDOS

 CONTENTS:

Module I – Gas turbine equipment
  • Classification: typical cycles, heavy duty and aerodrivative designs, applications;
  • Presentation: main components. Typical machines available on the market;
  • Construction and design: compression, combustion, expansion. Rotor dynamics, coupling;
  • Auxiliary equipment;
  • Internal cooling, lubrication, control system, safety devices.

Module II – Performance
  • Thermodynamics: ideal and actual gas, behavior during compression and expansion, isentropic and polytropic processes;
  • Centrifugal and axial compression. Performance, stability and other limits;
  • Combustion: types of combustors, combustion operation. Influence of fuel type. Afterburning for cogeneration purposes. Low NOx designs;
  • Expansion: single ou double shaft design operation;
  • Performance influence of atmospheric conditions, fuel selection. API charts;
  • Available load characteristics: rotation speed, T3 firing temperature, IGV influences. Open cycle, combined cycle examples;
  • Case studies: actual performance vs basic design; troubleshooting.
Module III – Selection
  • Selection criteria according to availability, operational and maintenance requirements;
  • Bidding: significant information for data sheet definition.
Module IV – Operation
  • Start-up and shutdown operation: sequences and trips;
  • Air filtering, lubrication and fuel systems operation;
  • Performance monitoring and mechanical operation;
  • Maintenance during operation: compressor cleaning devices;
  • Maintenance objectives and scheduling: operation, load, fuel influences; inspection schedules;
  • Factors related to available load: rotation speed, T3, IGV. Typical approaches related to Brayton cycle, cogeneration (combined cycle).
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Angola | Cabo- Verde | Moçambique | Portugal | S. Tomé e Princípe



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Horário:
Duração: 40 horas
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