What is simple parallel AC circuits ? Explanation -electrical engineering

AC Parallel Circuits

Parallel circuits are those in which two or more branches have the same impressed voltage as shown in fig. When calculating the total current taken by a number of paths joined in parallel having the same impressed voltage E, the easiest method is to calculate separately the values of the currents in the various branches and then to sum these values. If, for example the currents drawn by various parallel paths, as shown in fig. arc I1, I2, I3 etc, then the vector sum of the current is the total current drawn by the circuit as a whole.

i.e. I  = I1 + I2 + I3

All the rules, applicable to dc parallel circuits, can equally well be applied to ac parallel circuits with the only difference that the phase angles must be taken into account in the case of ac parallel circuits. If, however, the circuit is more complicated and consists, for example, of a number of parallel paths joined in series with another part of the circuit (whether having other parallel paths or only one single path) as shown in fig. (a) and (b), it becomes necessary to determine the equivalent impedance, just as one has a calculate equivalent resistance of the various parallel paths in the case of a dc circuit.


A.C. CIRCUITS TOPIC

  1. Introduction Of AC Circuits In Electrical Engineering
  2. How emf is induced in single phase system ? single phase generation .
  3. Explain what is ac quantity : and Advantages of AC over DC in circuits
  4. What is waveform, amplitude, cycle, time-period, phase & phase difference
  5. Define RMS & average value as applied to A.C. voltage & current
  6. What is form factor? crest factor? peak factor? & power factor? in ac circuits
  7. what is phasor diagram, phasor algebra, leading & lagging ac quantities
  8. Phasor representation of alternating quantities – resistive, inductive, capacitive
  9. What is R-L-C series connection for A.C. circuit ? Explanation
  10. What is series combination of R-L circuit ? Explanation
  11. Define what is active power, reactive power, apparent power & power factor
  12. Explain what is series combination of R-C circuit in electrical engineering
  13. What is simple parallel AC circuits ? Explanation -electrical engineering
  14. Resonance as applicable to simple RLC series circuit? effect on circuit performance
  15. Explain three phase generation of voltage ? electrical engineering
  16. Explain in detail about what is star and delta three phase system ?
  17. Relation between phase voltage & line voltage in case of balanced star connected load
  18. relationship between line current & phase current for delta connected 3 load
  19. Relation between power consumed in a balanced star & delta connection

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