AC Fundamentals
December 8, 2016
Categorised in: 1st Year Electrical
$$ v(t) = V_m sin(2πf_0 t) $$
$$ i(t) = I_m sin(2πf_0 t) $$
$$ I_{rms} = 0.707 I_m = I_m/√2 $$
$$ I_{av}= 0.637 I_m $$
$$ V_{av}= 0.637 V_m $$
Form Factor: $ K_f = I_{rms}/I_{av} $
$ K_f = 1.11$ for sinusoidal ac quantities
Crest Factor: $ K_p = I_m / I_{rms} $
$ K_p = 1.414$ for sinusoidal ac quantities
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