Externally Fired Micro Gas Turbine (EFMGT)

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Presentation transcript:

Externally Fired Micro Gas Turbine (EFMGT) Small energy production facilities. They are called externally fired due to the combustion gases do not go directly through the turbine. This makes the EFMGT flexible at the time of choosing a fuel.

Characteristics Power 5 – 100 kW Recovered Heat 20 – 400 kW Electrical efficiency 15 – 25 % Global efficiency 80 – 85 % Other services: Cooling, drinking water, heat. Relatively low maintenance and easy transport.

Operating principle

Main parts of an EFMGT Compressor Turbine Turbogenerator Generator Heat exchanger (Recuperator) Combustion chamber

PATENTED DESIGN Hot water output Fuel Burner Heat exchanger Boiler Air Electricity output Air intake Turbogenerator

Main parts of Compower EFMGT HEAT EXCHANGER TURBOGENERATOR BURNER BOILER Air intake Air Fuel Water in Water out Electrical power

EFMGT Solar Driven Possibility Concentrator Receiver Recuperator Recitifier/inverter for DC interconnection or AC output Turbogenerator

Development in time 1987 1992-1996 2001 2004 2007 2008 2010 & microturbine hybrids Motors Company formed Micro Combined Heat and Power prototype ET10 field trial unit at customer site. Biogas operation ET10 field trial unit at KTH World’s 1st micro turbine with high speed permanent magnet alternator

MGT efficiency map

ET10 FIELD TEST PROTOTYPE

Turbogenerator Parts and assembly

Turbogenerator ET10

3D Turbogenerator Model

Turbogenerator parts High speed generator Compressor Bearing assembly Turbine High speed generator Based on automotive turbocharger technology Integrated, highly efficient, permanent magnet generator, Air bearings. Operating speed range 100,000 -160,000 rpm is the same as a turbocharger in a standard passanger car. Bearing assembly Compressor outlet

Smallest Turbogenerator in the world IHI Corporation Micro Gas Turbine Power: 0,4 kW Fuels: Gas and Liquid (Natural gas, propane, gasoline, diesel) Speed: 350000 RPM Source: NHK World (Japan TV Channel)