Class 14 Electrical Power
Class 14 Electrical Power
US Electrical consumption 1992 Total = 2.7K TW-hr (residential 34%)
US Energy Inventory (ALL) (in 1015 BTUs, or ~ 1018 Joules)
Nuclear fission power: plus & minus
Alternatives: Distributed generation
Types of Electric Power
DC Power
AC Power
AC Voltage Average value?
AC Voltage Average magnitude
Why AC ?
Why is it easy to produce? INDUCTION
Magnetic fields
PP Presentation
PP Presentation
PP Presentation
Sources of magnetic fields
Q: So what happens if I put AC current in this?
A: magnetic field also oscillates
So what?
The transformer
The transformer
The transformer
Basic transformer equation: Iin Vin = Iout Vout
solution: Iin Vin = Iout Vout
Power transmission
Why high voltage distribution?
Summary
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