Slovenian presentation in Hungary
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![Page 1: Slovenian presentation in Hungary](https://reader033.fdocuments.in/reader033/viewer/2022052508/559491671a28ab03238b462f/html5/thumbnails/1.jpg)
Alternative Energy SourcesSlovenia
Viribus Unitis - help the world with joint efforts
4th meeting, Baktay Ervin Gimnázium ,
Dunaharaszti, Hungary, 4 - 11 October, 2013www.viribusunitis.org
www.viribusunitis.blogspot.com
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BIOENERGY
Tilen Resnik, 3.G
Tom Maierle, 2.E
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WHAT IS BIOENERGY?
• A renewable energy made from biological sources.
• We divide bioenergy into:
- “Biowarm” or thermal energy,
- “Bioelectricity” or electricity from biomass,
- Biofuels (solids, liquids and gases).
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WOOD BIOMASS IN SLOVENIA
• 10.900 km² of forests in Slovenia (60%)
• More than 100,000 buildings
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BIODIESEL
• Produced from left-over food products,
• Biodiesel consumption in Slovenia:
- 2008: at least 2%,
- 2009: at least 3,0 %,
- 2010: at least 3,5 %,
- 2011: at least 4 %,
In the 5 years after the year 2011: at least 5% of
energy.
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BIOETHANOL
• An alcohol from organic materials.
• No transport on bioethanol in Slovenia.
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CHARCOAL
• New way of direct processing.
• Used for cooking and heating, producing synthetic
gas, etc.
• We have charcoal producton in Pohorje and
Koroška.
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METHANE
• Methane is a chemical compound with the
chemical formula CH 4.
• Vehicles on methane gas are more eco.
• We have buses on methane gas.
• 2010: first car in Slovenia
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COGENERATION OF HEAT AND
ELECTRICITY
• Production of heat and electricity at the same time .
• New technology already commercially interesting
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THE PRODUCTION OF HEAT
• Local heating: wood, pellets, wood chips, etc.
• District heating: wood chips, peat, fuel from waste
wood, sawdust, and straw.
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SOLAR POWERPatricija Arh 2.C
Maja Štojs 2.C
Monika Novak 3.D
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WHAT IS SOLAR POWER?
• Inexhaustible and renewable source of energy,
• Electromagnetic waves,
• Part of the natural energy flows.
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SOLAR POWER PLANTS IN SLOVENIA
• 3215 operating solar power plants,
• The best conditions are in the Primorska region.
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SOLAR POWER PLANTS IN SLOVENIA
• Total output of 3,6 MW,
• The strongest area represented in the Štajerska
region.
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SOLAR PANELS
• Utilization of solar energy,
• Heating buildings and water,
• Fragility
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KEY BENEFITS OF THE USE OF
SOLAR ENERGY
• Inexhaustible source of energy,
• Low maintenance costs,
• Lower consumption of fossil fuels,
• Reduction of CO2 emissions.
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USE OF SOLAR ENERGY
• Passive - solar system
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USE OF SOLAR ENERGY
• Active - solar panels
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USE OF SOLAR ENERGY
• With photovoltaics - solar cells
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SOLAR ENERGY IN SLOVENIA
• Substantial and far-reaching advance,
• 400 new solar plants in 2010,
• The primary promoter is the Slovenian photovoltaic
industry association.
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SOLAR ENERGY IN SLOVENIA
• Pipistrel – plane on hydrogen power cells
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HYDRO & GEOTHERMALENERGY
Matej Kokalj, 3. F
Jan Dežman, 4. C
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HYDROELECTRIC ENERGY
GEOTHERMAL ENERGY
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GEOTHERMAL ENERGY
• Heat from the Earth,
• Clean and sustainable,
• Technologies taking advantage of geothermal
energy.
• Energy plants:
• dry steam power plants,
• flash steam power plants,
• and binary cycle power plants.
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DRY STEAM PLANTS
• Simplest & oldest design,
• Geothermal steam of 150°C or greater to turn
turbines.
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FLASH STEAM PLANTS
• Flashed steam used to drive turbines,
• Requirement of fluid temperatures of at least 180°C,
• Most common type of plants.
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BINARY CYCLE POWER PLANTS
• Most recent development,
• Acceptance of fluid temperatures as low as 57°C.
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GEOTHERMAL ELECTRICITY
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GEOTHERMAL ELECTRICITY
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BENEFITS
• Emissions contain few chemical pollutants and little
waste,
• Geothermal electricity sold to local power grids,
• Clean energy for some of the world‟s most rapidly
expanding economies.
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HYDROELECTRIC ENERGY
• Energy from hydropower or water power,
• Usage of the Earth's water cycle to generate
electricity,
• High precipitation levels and large elevation
changes necessary to
generate significant quantities
of electricity.
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ALTERNATIVE ENERGY PLANTS IN
SLOVENIA
• Hydroelectric plants such as Blanca, Boštjan,
Maribor, Medvode, Moste, and Vrhovo.
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HYDROELECTRIC PLANT MARIBOR
• Largest Slovenian producer of electric power using
renewable resources,
• Generating 25,5 % of electric power in Slovenia,
• 80 % of Slovenia‟s electric power using renewable
energy sources,
• Electric power generated in an
environmentally friendly manner.
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HYDROELECTRIC ENERGY ADVANTAGES
• Electricity can be constantly produced, once a
dam is constructed,
• Dams designed to last decades,
• Not producing any green house gases.
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HYDROELECTRIC ENERGY
DISADVANTAGES
• Dams extremely expensive to build,
• Dams must be built to a very high standard,
• People forcibly removed so that hydro-power
schemes can go ahead.
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SOLVING PROBLEMS
• Limit the use of fossil fuels,
• Expand the usage of alternative fuels,
• Slowing down the degradation of the destruction of
our atmosphere.
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ENVIROMENTAL ISSUES IN SLOVENIA
• Greenhouse emissions caused by traffic in decline
since 2008,
• Biggest state investments focused on state roads,
• Biofuels accounting for 2% in Slovenia,
• Air quality problematic, as the biggest problems
being nitrogen oxides and dust particles.
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WIND ENERGY
Jaka Zorman, 3.f
Špela Pozvek, 3.c
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HISTORY
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JAMES BLYTH
• First attempt,
• 1887,
• For the production of hydrogen.
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MODERN WIND TURBINES
• Kuriant, Nordtank, and Bonus,
• 20 – 30 KW
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TODAY
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TODAY WIND TURBINES
• Enercon E-126
– 8 MW
• Other
– 3 MW
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TYPES
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WIND FARMS
• Alta Wind Energy Center (USA),
• 1,320 MW
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HOW IT WORKS
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ADVANTAGES
• Clean energy,
• Does not destroy the working surfaces,
• Money back in 14 years,
• Lasts 25 years.
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DISADVANTAGEs
• Danger to birds,
• Requires more conventional power plants to
address variability,
• Wind turbines are noisy.
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FACTS
• In 2010 all wind turbines generated 197 GW,
• Today they generate 430 THW, which is 2.5% of
global electrical energy consumption,
• In the last five years, the annual growth of new
plants was 27.6 percent.
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FIRST BIG SLOVENIAN WIND TURBINE
• Dolenja vas near Senožeče,
• 29.9.2012,
• Enercon E-70,
• 2,3MW
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PROBLEMS IN SLOVENIA
• For cottages„ energy,
• Documentation and licenses,
• Natural heritage
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THANKS FOR YOURATTENTION!