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Thread: Is neutral necessary?

  1. #1
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    Aug 2008
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    Is neutral necessary?

    Every plugpoint at home contains a neutral, but what happens or how the return path is closed when the neutral of the power station is not earthed?


  2. #2
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    Dec 2008
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    1

    Re: Is neutral necessary?

    with out neutral,y connot complete ckt.


  3. #3
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    Jan 2009
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    Re: Is neutral necessary?

    Yes neutral is necessary while we are using 3 phases.but in some cases we can use 2phases i.e. one phase as incoming and another phase as return path.


  4. #4
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    Feb 2009
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    Re: Is neutral necessary?

    neutral is necesssary because the current flows in a close circuit and if the there is no close path then circuit will not complete and no current will flow ...


  5. #5
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    May 2009
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    Re: Is neutral necessary?

    neutral means point of zero potential. in a 3-phase power system when 3-phases are star connected , that star point is called neutral.but the potential of neutral point is not zero if the system is unbalanced. to make the potential of star point (neutral) zero , that point is earthed so that even if the system is unbalanced the potential of star point remain zero.


  6. #6
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    Oct 2009
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    Re: Is neutral necessary?

    why neutral point is usually at the common connection on the secondary side of delta/wye connected transformers.


  7. #7
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    Nov 2009
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    Re: Is neutral necessary?

    Why is neutral called so?

    Last edited by admin; 11-04-2009 at 05:59 AM.

  8. #8
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    Nov 2009
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    1

    Re: Is neutral necessary?

    A circuit needs a reference point to work well


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