Thermal Electricity Generation Using Coal (Grade 11 NSC Matric Geography): Flashcards
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Turbines definition
Turbines definition
Wheel-like machines with vanes converting fluid energy to rotation
Generators function
Generators function
Transform kinetic energy into electrical energy
Kinetic energy definition
Kinetic energy definition
Energy from movement
Why coal is crushed
Why coal is crushed
Increases surface area for more efficient combustion
Energy transformation sequence in coal plants
Energy transformation sequence in coal plants
Chemical → thermal → kinetic → electrical
Effect of high-pressure steam on turbines
Effect of high-pressure steam on turbines
Causes them to rotate rapidly
Condenser role
Condenser role
Condenses steam back to water for reuse
SO₂ environmental effect
SO₂ environmental effect
Causes acid rain
Particulate matter health effect
Particulate matter health effect
Causes respiratory health issues
Coal plant overall efficiency
Coal plant overall efficiency
25-35%