1.
Content
 Who invented electricity
 Where electricity is used
 How electricity is produced
 Power sources
 How power sources are consumed around the world
 Problem : Power fuel is ending
 Solutions :
 a) Governments b) Clients
 Conclusion

2.
Who invented electricity ?

3.
Benjamin Franklin (1706-
1790)
 “Either write something
worth reading or do
something worth writing”

4.
Thomas Edison (1847-1931)
 “There is
time for
everything
”

5.
Where electricity is used

6.
Power System (1/2)
AROUND TOWN &
RESIDENTIAL AREA -
Underground distribution to
individual premises is at
415 volts and 240 volts.
HOUSE - Overhead distribution
to individual houses is at 415
volts.
LIGHT INDUSTRY -
Most small factories
HEAVY INDUSTRY - Some receive their electricity at
11,000 volts
have direct connections to
sub-transmission or even
transmission system
POWER
STATION-
Generator output at
11,000/20,000 volts
is stepped up by
transformer to
132,000 275,000
and 500,000 volts
for transmission.

7.
Power System (2/2)

8.
Sources of Electrical Energy
Energy
Energy
Nuclear Fossil
Renewable Fuels
Fission Fusion
Coal Oil Gas Peat
Geothermal Direct Tidal Indirect
Solar Solar
Wind Wave Hydro Biomass

9.
World Energy Consumption
Energy production by fuel, 1980-2035 (quadrillion Btu)
Source: EIA, International Energy Outlook 2012

10.
World Energy Consumption

11.
Problem : Power fuel is
ending

12.
Solutions can be done
 Governments

13.
Solutions
 Clients ( Us )