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Energy. Alternative Renewable Sustainable A. An Electricity Primer 2 Types 1.Static A non-moving e- gradient is produced. A discharge relieves the.

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Presentation on theme: "Energy. Alternative Renewable Sustainable A. An Electricity Primer 2 Types 1.Static A non-moving e- gradient is produced. A discharge relieves the."— Presentation transcript:

1 Energy

2 Alternative Renewable Sustainable

3

4 A. An Electricity Primer 2 Types 1.Static A non-moving e- gradient is produced. A discharge relieves the gradient. 2.Current

5 2. Current electricity = a constant flow of electrons. Two types of Current Electricity: a. Direct Current (DC) b. Alternating Current (AC)

6 a. Direct Current (DC) Battery= bucket full of chemicals that causes electrons to move. Cathode gains electrons Anode loses electrons Electrolyte = chemical that allows the electrons to move

7 b. Alternating Current Voltage – number of electrons (volts) Current = pressure of the electrons (amps) Current –

8 World Electric Generation (IEA 2009)

9 US Electric Generation (EPA 2005)

10 A. Wind

11

12 B. Solar 1. Direct Solar vs Uses solar energy for heating or electricity without a naturally occurring conversion. Ex: passive and active solar Indirect Solar Solar converted to another form of energy in nature. Ex: fossil fuels wind biomass hydroelectric

13 2. Passive Solar Heat vs Construction designs for collecting heat. No fans or collection devises are used. http://www.susdesign.com/sunangle/ Active Solar Heat Fans, pumps, or collection devises are used.

14 3. Solar Thermal Commercial Generators 10-15¢/kWh Oil filled parabolic collectors concentrate heat. An exchanger creates steam that in- turn moves a turbine. Adv/Dis

15 4. Photovoltaic 15-25¢ / kWh Based on the diode properties of silicon. Million Solar Roof Initiative –DOE –Solar America Initiative

16

17 http://www.slate.com/blogs/future_tense/2013/02/07/fox_news_expert_on_solar_energy_germany_gets_a _lot_more_sun_than_we_do_video.html?fb_ref=sm_fb_share_blogpost

18

19 C. Biomass

20 1. Traditional Biomass

21 2. New Fangled Biomass a. Biogas b. Bioliquid adv/dis c.Fuel Crops/Crop Residue d. Biomass to Electricity adv/dis

22 D. Hydroelectric 1. Types a. Large scale b. Small scale c. Pumped-Storage System 2. adv/dis

23 E. Waves And Tides 1. Differences! 2. Osprey

24 3. Ocean Thermal Energy Conversion

25 4. Tides

26 F. Geothermal 1. Geothermal Reservoirs The Geysers adv/dis 2. Geothermal Heat Pumps

27 G. Hydrogen 1. Electrolysis

28 2. Combustion of Hydrogen

29 3. Hydrogen Fuel Cells


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