Dr.-Ing. Peter Seifert; DBI Gas- und Umwelttechnik GmbH; Leipzig / Freiberg; Germany  Fuel cells for CHP: Existing Projects  Fuel cells for domestic.

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Presentation transcript:

Dr.-Ing. Peter Seifert; DBI Gas- und Umwelttechnik GmbH; Leipzig / Freiberg; Germany  Fuel cells for CHP: Existing Projects  Fuel cells for domestic use: Future Projects Fuel Cells – Building Integration

Existing Projects MITGAS Fuel Cell Project Location:MITGAS Office Building in Gröbers (near Halle / Sachsen-Anhalt) Heat use:  Office heating  Run the absorption chiller Power use:  Delivery into the grid

Waste gas heat 2% Remains 5% Own power consumption 5% Cooling losses 28% Power 36% High temp. heat 10% Low temp. heat 14% Natural gas MITGAS: Energy balance – first year of operation

, , , mg/m³ dry waste gas, 5 % oxygen NO x CO HC TA-LuftGas enginePC 25 C MITGAS: Reduction of emission

Kamenz Fuel Cell Project Location:Malteser Hospital Kamenz (near Dresden / Saxony) Heat use:  Hospital heating  Run the adsorption chiller Power use:  Delivery to the hospital Existing Projects

Kamenz: Data of the main components

Power central Solar collectors Fuel cell Kamenz: Bird’s-eye view

Auxiliary cooler for the fuel cell Cooling tower for the adsorp- tion chiller 20 m³ heat tank Heat cycle connections of the fuel cell Kamenz: Court

View into the power central (Jan. 2000) Adsorption chiller (MYKOM ADR 30) 105 kW cooling capacity Ice storage Capacity 400 kWh Kamenz: Power central

Kamenz: Main components of the project Natural gas Power Boilers Heat Solar collectors Compression chiller Adsorption chiller Cold heat Cooling ceilings Heat storage Ice storage Fuel cell

Kamenz: Energy distribution Fuel Cell Solar plant Cooling plant 200 kW 240 kW 220 kW 50 kW 1530 kW 105 kW 80kW 35 kW Ads. chiller Ice storage Comp. chiller Power Heat Cold heat

Kamenz: Fuel cell operating hours

Kamenz: Fuel cell efficiencies

Kamenz: Grid independent operation TimeEvent 13:35Entered I 80 - Run Grid Independent 14:15Entered I 50 - Run Grid Connected 14:46Entered I 80 - Run Grid Independent 15:41Entered I 50 - Run Grid Connected

Kamenz: Effects of the ice storage (hottest days of the year)

 Kinds of available fuel cells  Domestic application of fuel cells Future Opportunities

Company: Sulzer Hexis VaillantEFC Cell Type:SOFCPEMPEM Power:1 kW el1 – 4.6 kW el 1.5 kW el Heat:2.5 kW th 1.5 – 7 kW th 8 kW th + 12/16/22 kW th+ 25 – 50 kW th Efficiency:~ 85 %> 80 % > 70 % Available:Q3 / Q2 / 2002 (Field test)(Field test)(Field test) Fuel cells for domestic use

House of one‘s own: Consumption and generation mismatch

 Field test for 3 kinds of fuel cells in domestic projects  Co-operation in the DVGW Project “European Standardisation of Fuel Cells” DBI Future Projects

Domestic Application V EG P el P th consumer QHQH QWQW W el T T nat. gas waste gas boiler fuel cell heat tank heat hot water power nat. gas P el control

Power Mehrfamilienhaus-Siedlung mit PEM-Brennstoffzellen im Stromverbund Nat. gas HTHT HTHT HTHT HTHT Main control Energy opt. HTHT B FCFC B FCFC B FCFC FCFC B FCFC B Apartment houses with power coupled PEM fuel cells

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