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    addaddadd's Avatar
    addaddadd Posts: 19, Reputation: 1
    New Member
     
    #1

    Apr 18, 2008, 10:51 PM
    Voltage drop
    If i have a 3 phase motor running in 440volts and drives the cetrifugal fan, then the voltage drops to 20 percent, what happened to running current does it increas or decrease.
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Apr 18, 2008, 11:13 PM
    Yes.

    Well if you have the fan, measure the current.

    Looks like homework.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
     
    #3

    Apr 19, 2008, 05:25 AM
    A) Three phase = NOT DIY!

    B) 440v(? - is the Europe) = NOT DIY!

    C) Drops TO 20%? So the voltage drops to 88v?

    D) Do your OWN homework!
    addaddadd's Avatar
    addaddadd Posts: 19, Reputation: 1
    New Member
     
    #4

    Apr 22, 2008, 10:03 PM
    Di nyo lang alam ang sagot.
    stanfortyman's Avatar
    stanfortyman Posts: 5,598, Reputation: 279
    Electrical & Lighting Expert
     
    #5

    Apr 23, 2008, 04:48 AM
    You're welcome. :D

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