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Energysources
- 5. GEOTHERMAL
- 7. Like all steam turbine generators, the force of steam is used to spin the turbine blades which spin the generator, producing electricity. But with geothermal energy, no fuels are burned. © 2000 Geothermal Education Office
- 8. Turbine blades inside a geothermal turbine generator. © 2000 Geothermal Education Office
- 9. Turbine generator outdoors at an Imperial Valley geothermal power plant in California. © 2000 Geothermal Education Office
- 10. © 2000 Geothermal Education Office
- 12. DRY STEAM POWER PLANT In dry steam power plants, the steam (and no water) shoots up the wells and is passed through a rock catcher (not shown) and then directly into the turbine. Dry steam fields are rare. © 2000 Geothermal Education Office
- 13. THE GEYSERS CALIFORNIA The first geothermal power plants in the U.S. were built in 1962 at The Geysers dry steam field, in northern California. It is still the largest producing geothermal field in the world. © 2000 Geothermal Education Office
- 14. 20 plants are still operating at The Geysers. Wastewater from nearby cities is injected into the field, providing environmentally safe disposal and increased steam to power plants. © 2000 Geothermal Education Office
- 16. Flash technology was invented in New Zealand. Flash steam plants are the most common, since most reservoirs are hot water reservoirs. This flash steam plant is in East Mesa, California. © 2000 Geothermal Education Office
- 17. In a binary cycle power plant (binary means two), the heat from geothermal water is used to vaporize a "working fluid" in separate adjacent pipes. The vapor, like steam, powers the turbine generator. © 2000 Geothermal Education Office
- 18. In the heat exchanger, heat is transferred from the geothermal water to a second liquid. The geothermal water is never exposed to the air and is injected back into the periphery of the reservoir. © 2000 Geothermal Education Office
- 19. This power plant provides about 25% of the electricity used on the Big Island of Hawaii. It is a hybrid binary and flash plant. © 2000 Geothermal Education Office
- 20. © 2000 Geothermal Education Office
- 21. © 2000 Geothermal Education Office
- 24. Geothermal power could serve 100% of the electrical needs of 39 countries (over 620,000,000 people) in Africa, Central/ South America and the Pacific. © 2000 Geothermal Education Office
- 25. FUSION POWER
- 30. www.jet.efda.org
- 33. How can a plasma be confined ? www.jet.efda.org
- 38. TOKAMAK (MAGNETIC FIELD) www.jet.efda.org
- 39. TORUS THE VACUUM CHAMBER OF THE TOKAMAK www.jet.efda.org
- 40. MAGNETIC FIELD IN TOKAMAK www.jet.efda.org
- 42. HEATING THE PLASMA www.jet.efda.org
- 44. What is a plasma : fourth state of Matter Increasing Temperature A plasma is electrically conducting and very reactive www.jet.efda.org