3

AC Fundamentals and Single-phase Circuits

TOPICS DISCUSSED

  • Concept of dc and ac

  • Concept of frequency

  • Time period

  • Instantaneous value

  • Average value and maximum value of an alternating quantity

  • Sinusoidal and non-sinusoidal wave forms

  • Concept of root mean square value

  • Concept of phase and phase difference

  • Single-phase ac circuits

  • Series–parallel circuit containing resistance inductance and capacitance

  • Concept of apparent power

  • Real power and reactive power

  • Resonance in ac circuits

  • Solution of ac circuit problems

3.1 AC Fundamentals

Now days electricity is generated in the form of ac (alternating current). The generated electricity is transmitted, distributed, and mostly utilized in the form of ac. In this chapter, the fundamental concepts ...

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