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Electric Circuit Analysis by K. S. Suresh Kumar

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Chapter 6

Power and Energy in Periodic Waveforms

CHAPTER OBJECTIVES
  • To explain the need for sinusoidal waveforms and the importance of sinusoidal analysis.
  • To explain the concepts of phase, phase difference, phase lag/lead, phase delay/advance, time delay/advance etc. in the context of sinusoidal waveforms.
  • To introduce instantaneous power, cyclic average power and average power in periodic waveforms.
  • To define effective value of periodic waveforms and illustrate rms calculations through examples.
  • To develop and explain the power superposition principle and to emphasise the pitfalls in applying this principle.
  • To develop an expression for effective value of composite periodic waveform and point out pitfalls in applying the result.
INTRODUCTION ...

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