Important terms and formulas to remember:
Instantaneous Power p(t)
-absorbed by an element is the product of the instantaneous voltage v(t) across the element and the instantaneous current i(t) through it.
p(t) = v(t) i(t)
v(t) = Vm cos(ωt + θv)
i(t) = Im cos(ωt + θi)
Average Power
-is the average of the instantaneous power over one period.
Maximum Average Power Transfer
-is the maximum amount of power will be dissipated by a load resistance when that load resistance is equal to the Thevenin/Norton resistance of the network supplying the power. If the load resistance is lower or higher than the Thevenin/Norton resistance of the source network, its dissipated power will be less than maximum.
Watch this video for more information!
Reflection:
I think we must develop a deeper understanding about the basic theories of AC power analysis. Also, we must be able to familiarize ourselves with the formulas. I have learned that power is a significant and common quantity when you are planning to work in a electric company.
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