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The GeneratorThe Generator
Electricity Generator
Energy: The ability to do work
Two Examples:Mechanical Energy: Energy that comes from the motion of an objectElectrical energy: Energy that comes from the movement of electrons
Electricity Generator
Electricity Generator: Converts mechanical energy to electrical energy
Importance: The majority of the electrical energy used by the human race is created by generators
Parts of the Generator
Rotor: The part of the generator that rotates or spinsStator: The stationary part of the generator
How does it generate electricity?
1) Create coils out of copper wire and place them around the magnet in a circle
How does it generate electricity?
1) Create coils out of copper wire and place them around the magnet in a circle
2) Place a magnet such that it can be spun around the coils
(Alternately the coils can spin inside the magnet)
How does it generate electricity?
1) Create coils out of copper wire and place them around the magnet in a circle
2) Place a magnet such that it can be spun around the coils
(Alternately the coils can spin inside the magnet)3) Find a way to create the mechanical needed to spin the center magnets
Ways to Create Mechanical Energy• Wind• Water (Liquid)• Steam• Biological• Combustion
How does it generate electricity?
1) Create coils out of copper wire and place them around the magnet in a circle
2) Place a magnet such that it can be spun around the coils
(Alternately the coils can spin inside the magnet)3) Find a way to create the mechanical needed to spin the center magnets4) Once the center spins it causes the copper’s electrons to flow in the copper wires = electrical energy
Two Types of Generators
1) Dynamos: Create direct current which is current that travels in one direction only
2) Alternators: generate alternating currents (travel in one direction then the other )
Generators and Motors
Electrical Generators and Electrical Motors both contain the same parts.
Generators and Motors
Electrical Generators and Electrical Motors both contain the same parts.
- Forcing the rotor of an electric motor to spin it can cause it to generate an electrical current
- Adding electric power to an electrical generator will cause the rotor to spin.
Assignment
1) Questions on notes2) Finish crosswords for natural gas and
exchange with someone else