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  1. Thread: power

    by Besoeker
    Replies
    14$$
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    388

    A somewhat related tale I have probably posted...

    A somewhat related tale I have probably posted before.

    I grew up on a farm and we occasionally used to fence off a piece of grazing land with temporary electric fencing. This was used to isolate...
  2. Replies
    6$$
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    278

    Who knows? But if it's 400V L-L, then it would...

    Who knows?
    But if it's 400V L-L, then it would be 230V L-N for three phase.
  3. Thread: power

    by Besoeker
    Replies
    14$$
    Views
    388

    Very good....... Oculus Reparo.................

    Very good.......
    Oculus Reparo..............
    Not a Harry Potter fan myself.
  4. Thread: power

    by Besoeker
    Replies
    14$$
    Views
    388

    But should it be ancora imparo?

    But should it be ancora imparo?
  5. For a variable frequency drive, the input kVA is...

    For a variable frequency drive, the input kVA is almost invariably lower than the output kVA at rated load.
    It's simply a result of the lower output power factor. Nothing more complicated than that.
  6. Replies
    12$$
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    347

    I wonder about a couple of points from the OP. ...

    I wonder about a couple of points from the OP.

    "magnetic field is produced by supply and return buss bars

    Again, this is industrial application, whatever numbers you are thinking multiply them...
  7. Thread: Eaton vs AB

    by Besoeker
    Replies
    15$$
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    635

    If only it were so simple..........

    If only it were so simple..........
  8. Replies
    12$$
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    No disagreement with your points. But, as yet,...

    No disagreement with your points.
    But, as yet, we don't actually know what the load is other than that it is resistive and, evidently, very large.
    If the OP could provide the actual application and...
  9. Replies
    12$$
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    Unless by the the OP means voltage drop and that...

    Unless by the the OP means voltage drop and that could matter if it is a high frequency application.
    That physically changing the proximity of the conductors made a measurable difference might be a...
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    12$$
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    High frequency application? Can you define...

    High frequency application?

    Can you define what you mean by "huge inductive losses"?
    The fact that you reduced these losses by reducing separation between conductors suggest that reduced...
  11. Thread: Eaton vs AB

    by Besoeker
    Replies
    15$$
    Views
    635

    It's a valid concern in my opinion. If the PFC...

    It's a valid concern in my opinion.

    If the PFC is for fixed speed motors on a per motor basis, load side of the starter you said, automatic correction should not be required. You are correcting...
  12. Excellent observation if I may say so.

    Excellent observation if I may say so.
  13. Defferably......:p

    Defferably......:p
  14. I completely agree. If you want to size a...

    I completely agree. If you want to size a conductor you concern yourself with the magnitude of the current rather than the number of electrons involved.
  15. Thread: power

    by Besoeker
    Replies
    14$$
    Views
    388

    Quite. No voltage difference.

    Quite.
    No voltage difference.
  16. You can't eliminate core loss. Unless you reduce...

    You can't eliminate core loss.
    Unless you reduce applied voltage but then you wouldn't get rated voltage out.
  17. No.

    No.
  18. Thread: power

    by Besoeker
    Replies
    14$$
    Views
    388

    It's a voltage difference that can shock you....

    It's a voltage difference that can shock you.
    Think about what that means.
  19. Electrons. Drift rather than flow.

    Electrons. Drift rather than flow.
  20. Replies
    17$$
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    647

    The purpose of the media is to sell. Not to...

    The purpose of the media is to sell. Not to educate.
  21. Thread: valve

    by Besoeker
    Replies
    6$$
    Views
    423

    Then I agree with post #3.

    Then I agree with post #3.
  22. It's a matter of convention. The flow of...

    It's a matter of convention.
    The flow of electrons, or drift is a better word, is from negative to positive in a DC circuit. For individual electrons it isn't much (1.6*10-19 C) but there are a lot...
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    647

    As in execute...

    As in execute...
  24. Replies
    14$$
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    414

    Expressed rather eloquently if I may say so.

    Expressed rather eloquently if I may say so.
  25. Thread: valve

    by Besoeker
    Replies
    6$$
    Views
    423

    Is it DC?

    Is it DC?
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