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Hydro-Power

Hydro-Power. How is electricity produced through water?. Turned to Electrical Energy through generator. Potential Energy of water - Gravitational Energy. Potential Energy of turbine – Mechanical Energy. Energy Transfer. Released and become kinetic energy – Motion energy .

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Hydro-Power

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  1. Hydro-Power How is electricity produced through water?

  2. Turned to Electrical Energy through generator Potential Energy of water - Gravitational Energy Potential Energy of turbine – Mechanical Energy Energy Transfer Released and become kinetic energy – Motion energy Kinetic Energy of Water- Motion Energy

  3. Transferring step 1 : • Water trapped stored great amount of potential energy – gravitational • Gravitational energy – Energy stored in object’s heightand weight • Great amount of energy stored as the long trapping time of the water Transfusion of energy - Progress Potential Energy of water - Gravitational Energy

  4. Transferring step 2 : • Water flush down • Gravitational Energy Kinetic Energy – Motion Energy • Motion Energy – Stored in object movement • Energy increase as the speed increased Transfusion of energy – Progress Kinetic Energy of Water- Motion Energy

  5. Potential Energy of turbine – Mechanical Energy Transferring step 3 : • Potential Energy in turbine is released by the water as it turned the turbine • Mechanical Energy – Stored in object by tension • Potential Energy – Mechanical Energy Kinetic Energy – Motion Energy • Motion energy of water increase release more mechanical energy stored in the turbine to motion energy Transfusion of energy – Progress Released and become kinetic energy – Motion energy

  6. Transferring step 4 : • Turbine turned connect to electrical wire • Motion Energy Kinetic Energy – Electrical Energy • Electrical Energy – Delivered by electrons, usually through wires • Motion energy in turbine transfer to electrical energy through generator Transfusion of energy – Progress Turned to Electrical Energy through generator

  7. ELECTRICITY IS PRODUCED FOR US NOW!

  8. Energy loss: • Not all energy is released • Loss 1 – Encounter drag forces from penstock and pipe wall • Loss 2 – Heat and sound generated when hitting the turbine • Loss 3 – Water leave turbine still containing some motion energy Transfusion of energy – Energy Loss

  9. Energy loss: • Loss 4 – mechanical losses between the turbine and generator systems • Loss 5 – losses from generator inefficiencies losses from transformer and other power conditioning inefficiencies Transfusion of energy – Energy Loss

  10. It is clean, it can reduce pollutions created. • It produces cheap electricity • It is producing electricity continuously • It is much safer than nuclear energy The good impacts of hydroelectricity

  11. The dams that were created to store the water energy is damaging the environment. • The dams that need to be created to generate hydroelectricity is really expensive, the Hover Dam in USA costs 690 million dollars and the Three Gorges Dam in China costs 37 billion dollars. • Structural failures of dams all over the world had caused million of deaths. The bad impacts of hydroelectricity

  12. Thank you for listening

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