# Chapter 05 - CHAPTER 5 KEY EQUATIONS Equation Number Key...

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Unformatted text preview: CHAPTER 5 KEY EQUATIONS Equation Number Key Equation v (t ) = Vm cos(t + ) 5.1 1 5.3 f = 5.4 5.5 5.6 5.12 5.13 5.14 5.15 5.22 T = T = 2f sin(z ) = cos(z - 90 o ) Vrms = T 1 T 2 v 0 2 (t )dt Pavg = V R 2 rms I rms = T 1 T 0 i 2 (t )dt Pavg = I R V Vrms = m 2 rms 2 V = V1 1 1 5.25 5.45 5.46 5.47 5.48 Z L = jL = L90 o VL = Z L IL V = Z C IC C ZC = - j 1 = 1 sin(z ) = cos(z - 90 o ) 5.60 5.61 5.62 5.63 5.64 5.69 C jC C V = Vm C P = VrmsI rms cos( ) PF = cos( ) = v - i Q = VrmsI rms sin( ) apparent power = VrmsI rms P 2 + Q 2 = ( rmsI rms )2 V 2 P = I rmsR = 1 - 90 o 5.70 5.71 5.72 5.73 5.74 5.75 5.91 5.92 5.96 5.100 5.108 2 Q = I rms X VR2 P = rms R V2 Q = Xrms X Pavg = p (t ) = 3 YrmsI Lrms cos( ) V V I Q = 3 Y L sin( ) = 3 YrmsI Lrms sin( ) V VL = 3 Y V Z = 3ZY 2 V = Voc t V V Z t= oc = t Isc Isc In = Isc I L = 3I ...
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## This note was uploaded on 06/02/2008 for the course MECHANICAL 223,224,22 taught by Professor Ibrahim,sadek,johnwats, during the Spring '08 term at American University of Sharjah.

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Chapter 05 - CHAPTER 5 KEY EQUATIONS Equation Number Key...

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