worksheet ac power analysis.doc

# worksheet ac power analysis.doc

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AC POWER ANALYSIS AND DESIGN By Sandra Haidar Christophe Hoyek Presented to Mr. Nassif DAOUD A worksheet for the Circuit Lab ELEN 303 Faculty of Engineering University of Balamand 8-3-2016

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I - Prelab: W = 2 × π × f = 2000π rad\s. In phase domain: Z L(1mH) = 2π j Z L(100mH) = 200π j Using Voltage Divider we calculate V L : V L = 06 . 0 495 . 3 10 66 . 3 495 . 3 ) 202 830 ( ) 820 200 ( 2 5 3 ^ j j j V. I L = 4 . 37 3 ^ 10 38 . 3 10 055 . 2 ^ 10 68 . 2 200 820 10 66 . 3 495 . 3 3 ^ 3 3 j j j mA. Complex Power: S TR = P TR + j Q TR S L = P L + j Q L P TR = R TR × I 2 = 10 × (3.38 × 10^ -3 ) 2 = 1.14 × 10 -4 Q TR = LWI 2 = 0.001 × 2000π × (3.38 × 10^ -3 ) 2 = 7.17 × 10 -5 P L = RI 2 = 820 × (3.38 × 10^ -3 ) 2 = 0.0094 Q L = LWI 2 = 100 × 10 -3 × 2000π × (3.38 × 10 -3 ) 2 = 7.17 × 10 -3 S TR = 1.14 × 10 -4 + j 7.17 × 10 -5 = 16 . 32 10 34 . 1 4 ^ S L = 0.0094 + j 7.17 × 10 -3 = 33 . 37 0118 . 0 S T = S L + S TR = 0.0094 + j 7.17 × 10 -3 + 1.14 × 10 -4 + j 7.17 × 10 -5 = 27 . 37 0119 . 0
II - Procedure: 1- Using an RLC meter to measure the actual values of the inductors and a DMM to measure that of the resistors, the results got are: Using actual values for components, we repeat the calculations to get: V L = I L = S = 2- AC Power Analysis a- Vs = V L = phase V L = b- V

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• Winter '19
• Trigraph, Electric power, AC power, Power factor, Volt-ampere

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