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Electrical Technology, Volume 1 by S. P. Bali

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22

Resonance

OBJECTIVES

In this chapter you will learn about:

  • The definition of resonance as it applies to any a.c. circuit with only one source
  • The properties of series resonant circuits
  • The quality (magnification) factor Q, and its interpretation as the voltage magnification factor
  • The degree of selectivity
  • Bandwidth and its relation to Q
  • The properties of parallel resonant circuits
  • Impedance, current and voltage relations in series and parallel resonant circuits
  • Power factor of resonant circuits
image

Reactance Sketches

22.1  INTRODUCTION

In Chapter 20 of this book, titled ‘Power Factor Correction’ we corrected for a low power factor in a ...

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