pfa18elk331e01 Page 1
pfa18elk331e01 Page 2
Page 1 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
J. W. Nilsson and S. A. Riedel,
Electric Circuits, 8th ed., Prentice Hall, 2008
factor, meaning of leading and lagging power factors.
5. Apparent, real, and reactive powers in single- and three-phase power system.
6. Algebra with complex numbers, transformation from rectangular to polar coordinate and vice-versa.
The above subjects will not be covered/explained in the class - this course assumes you have sufficient knowledge of these topics. If you feel that your background on the above material is insufficient, you are advised to take a look at your circuit's and mathematic's notes and/or books
pfa18elk331e01 Page 3
pfa18elk331e01 Page 4
Page 2 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
pfa18elk331e01 Page 5
pfa18elk331e01 Page 6
Page 3 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
pfa18elk331e01 Page 7
pfa18elk331e01 Page 8
Page 4 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
LED Bulb LED Bulb
pfa18elk331e01 Page 9
pfa18elk331e01 Page 10
Page 5 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
pfa18elk331e01 Page 11
Battery Powered Vehicles Battery Powered Vehicles
pfa18elk331e01 Page 12
Page 6 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
Fuel Fuel - - Cell Powered Plug Cell Powered Plug - - in in Hybrid EV
Hybrid EV
pfa18elk331e01 Page 13
Electric Propulsion in Ships Electric Propulsion in Ships
pfa18elk331e01 Page 14
Page 7 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
Typical
Typical PV PV Power Power System System
energy source
(sun)
photovoltaic energy conversion
energy usage
power grid power
conditioning circuit electrical
energy
energy storage (battery)
energy distribution
pfa18elk331e01 Page 15
Residential grid
Residential grid - - connected connected PV system
PV system
pfa18elk331e01 Page 16
Page 8 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
Wind Energy Systems Wind Energy Systems
variable speed wind turbine
nm
three-phase permanent magnet synchronous generator
battery
rectifier and charger three phase AC/DC unity power factor
+ -
gate driver with electrical isolation
user interface
display digital
controller to semiconductor switch(es)
Vbat Ibat
Igen
auxiliary DC power supply
Va1 Va2 Van
Va1 Va2
signal conditioning Vbat Ibat conditioning
signal Vgen
Van
Van Vbat
(for backup)
pfa18elk331e01 Page 17
Subway Trains, monorails Subway Trains, monorails
pfa18elk331e01 Page 18
Page 9 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
pfa18elk331e01 Page 19
Uninterruptible Power Uninterruptible Power Supply
Supply
pfa18elk331e01 Page 20
Page 10 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
High Voltage DC Power High Voltage DC Power
Transmission Transmission
pfa18elk331e01 Page 21
HVDC HVDC
SCR Towers SCR Towers
pfa18elk331e01 Page 22
Page 11 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
pfa18elk331e01 Page 23
Induction Heating Induction Heating
pfa18elk331e01 Page 24
Page 12 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
Welding Welding
pfa18elk331e01 Page 25
Page 13 ---- http://web.itu.edu.tr/yildiri1 Deniz Yildirim
