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UNIT 1: INTRODUCTION
1.1 Importance Of And Need For Electricity In Daily Life
1.2 Other Forms Of Energy Converted From Ele...
1.1 IMPORTANCE OF AND NEED FOR
ELECTRICITY
Importance
of
electricity
To
functions
Industry
appliances
Domestic
appliances
EXAMPLES OF ELECTRICITY APPLIANCES
1.2 OTHER FORMS OF ENERGY
CONVERTED FROM ELECTRICITY
Heat Energy Light Energy
Sound
Energy
Mechanical
Energy
Electricity
1.3 ELECTRICAL ENERGY RESOURCES
Friction
Chemical
Reaction
Light
Heat
Magnet
Pressure
HOW ELECTRICITY FLOWS TO ITS USER?
1.4 GENERATION, TRANSMISSION &
DISTRIBUTION OF ELECTRICITY
Electricity
Generation
Direct Current
Current flow in one
direc...
1.4 GENERATION, TRANSMISSION &
DISTRIBUTION OF ELECTRICITY
 Examples of DC and AC generation
1.4 GENERATION, TRANSMISSION &
DISTRIBUTION OF ELECTRICITY
Hydro power
station
Prime mover:
water
Thermal Power
Station
Pr...
HYDRO-ELECTRIC POWER STATION
Operation:
• water flow
from a dam
•Turn the
turbine
•Rotate the
generator to
generate
voltage
THERMAL POWER STATION
GAS POWER STATION
Operation:
•Compressor - compresses a gas to produce high-pressure air (cooling
part)
•Combustion – burn...
HEAT ENERGY
Current
Heating
Element
Heat
Energy
LIGHT ENERGY
current
Light/lamp
Light
Energy
MECHANICAL ENERGY
current
Motor Coil
Rotor Spin
Mechanical
Energy
SOUND ENERGY
current
Audio
Circuit
Sound
Energy
FRICTION
Friction
2 different
material
Electrostatic
force
/Silk cloth
CHEMICAL REACTION
Zinc + Copper +
electrolyte
Electric Charge /
Electrochemical
Reaction
LIGHT
Light
Surface
Photoelectric
Effect
HEAT
Heat
Two different
material
Seebeck
Effect
MAGNETIC FIELD
Cutting
Magnetic
field
Induced
current
EMF
PRESSURE
Pressure Crystal
Piezoelectric
Effect
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pendidikan kejuruteraan elektrik_bab 1

  1. 1. UNIT 1: INTRODUCTION 1.1 Importance Of And Need For Electricity In Daily Life 1.2 Other Forms Of Energy Converted From Electricity 1.3 Energy Resources 1.4 Generation, Transmission and Distribution of Electricity 1.4.1 Electricity Generation 1.4.2 Types of Power Station
  2. 2. 1.1 IMPORTANCE OF AND NEED FOR ELECTRICITY Importance of electricity To functions Industry appliances Domestic appliances
  3. 3. EXAMPLES OF ELECTRICITY APPLIANCES
  4. 4. 1.2 OTHER FORMS OF ENERGY CONVERTED FROM ELECTRICITY Heat Energy Light Energy Sound Energy Mechanical Energy Electricity
  5. 5. 1.3 ELECTRICAL ENERGY RESOURCES Friction Chemical Reaction Light Heat Magnet Pressure
  6. 6. HOW ELECTRICITY FLOWS TO ITS USER?
  7. 7. 1.4 GENERATION, TRANSMISSION & DISTRIBUTION OF ELECTRICITY Electricity Generation Direct Current Current flow in one direction Alternating Current Constantly changing its flow direction
  8. 8. 1.4 GENERATION, TRANSMISSION & DISTRIBUTION OF ELECTRICITY  Examples of DC and AC generation
  9. 9. 1.4 GENERATION, TRANSMISSION & DISTRIBUTION OF ELECTRICITY Hydro power station Prime mover: water Thermal Power Station Prime Mover: Steam Gas Power Station Prime Mover: Air (Gas)
  10. 10. HYDRO-ELECTRIC POWER STATION Operation: • water flow from a dam •Turn the turbine •Rotate the generator to generate voltage
  11. 11. THERMAL POWER STATION
  12. 12. GAS POWER STATION Operation: •Compressor - compresses a gas to produce high-pressure air (cooling part) •Combustion – burn the gas used (fuel) •Rotate the generator to generate voltage
  13. 13. HEAT ENERGY Current Heating Element Heat Energy
  14. 14. LIGHT ENERGY current Light/lamp Light Energy
  15. 15. MECHANICAL ENERGY current Motor Coil Rotor Spin Mechanical Energy
  16. 16. SOUND ENERGY current Audio Circuit Sound Energy
  17. 17. FRICTION Friction 2 different material Electrostatic force /Silk cloth
  18. 18. CHEMICAL REACTION Zinc + Copper + electrolyte Electric Charge / Electrochemical Reaction
  19. 19. LIGHT Light Surface Photoelectric Effect
  20. 20. HEAT Heat Two different material Seebeck Effect
  21. 21. MAGNETIC FIELD Cutting Magnetic field Induced current EMF
  22. 22. PRESSURE Pressure Crystal Piezoelectric Effect

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