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  • Vellore Institute Of Technology
  • Basic Electrical and Electronics Engineering (EEE1001)
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Basic Electrical and Electronics Engineering - A.C Circuits

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23 pages
2020/2021 Written for academic year
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Vellore Institute Of Technology
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Basic Electrical and Electronics Engineering (EEE1001)
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This document contains detailed information for the following 'hard-to-grab' topics: 1) Alternating voltage with standard equation 2) Root Mean Square (RMS) 3) Methods to find RMS values of quantities 4) Form and Peak factor 5) Single phase AC circuits - AC through pure ohmic resistor - AC through pure inductance - AC through pure capacitor 6) Complex numbers - Symbolic notation - Trigonometrical notation - Exponential notation - Polar notation 7) Addition, subtraction, power and root of complex numbers 8) Series AC circuits - AC through resistance and inductance - AC through resistance and conductance - AC through resistance, conductance and inductance 9) Three-phase AC circuits - Star or Wye connection - Mesh or Delta connection

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A.C CIRCUITS – MODULE 2
STANDARD EQUATION OF AN ALTERNATING VOLTAGE




ROOT MEAN SQUARE (R.M.S) VALUE




# FOR SINUSOIDAL SYMMETRICAL WAVES (SINUSOIDAL)
FINDING R.M.S VALUE USING MID-ORDINATE METHOD

,FINDING R.M.S VALUE USING ANALYTICAL METHOD




# FOR COMPLEX WAVES (FOR NON-SINUSOIDAL WAVES)
METHOD 1:




METHOD 2
If the equation of the wave is known then Irms or Vrms is given by

, AVERAGE VALUE




# FOR SYMMETRICAL SINUSOIDAL WAVES
Average value over a complete cycle = 0
Average value is always taken for a half cycle in this case




# FOR COMPLEX WAVES (NON-SINUSOIDAL)




FORM FACTOR
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BL Theraja A Textbook of Electrical Technology - Volume II
Publisher: 2005 ISBN: 9788121924375 Edition: Unknown

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Browse related subjects

Subjects

  • alternating voltage
  • rms
  • sinusoidal current
  • single phase ac circuits
  • complex numbers
  • mean power
  • active power
  • apparent power
  • reactive power
  • three phase ac circuits
  • star connection
  • delta connection

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