Q: Show that the power consumed by three identical phase loads connected in delta is equal to three times the power consumed when the phase loads arc connected in star.

Relationship between power consumed in a balanced star and delta connection

Consider, three impedances each of value Z ohms connected in star.

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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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