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  1. blitz

    How to determine voltage pull down and duration during motor start?

    Thanks for the relevant comments. Of course the result of my quick and dirty will not be absolutely correct, for all the reasons stated by the other correspondents, but as a reasonable and quick estimate it probably holds. I normally do this just to see whether a problem can be expected and...
  2. blitz

    How to determine voltage pull down and duration during motor start?

    You asked: I have a motor with the following characteristics: 2400 V, 1500 HP, 320 FLC, 1920 LRC used for a boiler feed pump in a coal fired generation planct. How can I determine the value that the supply voltage will be pulled down to ****** I assume you have a standard squirrel cage...
  3. blitz

    Visual basic for Excel

    How do I select specific fields form an Excel sheet using VBA macros codes, using searh options in my subroutine. sname = Input ("Please enter the name:") ????? ?????
  4. blitz

    the reason for

    Why use an aggregate material as a sub-base for concrete slab. Does this contain the moisture away from slab and allows the soil to expand or contract, without any movement of the slab?
  5. blitz

    the reason for.

    why? use gravel or 3/4" aggregate sub-base for concrete slabs?
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