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    ravikanth's Avatar
    ravikanth Posts: 4, Reputation: 1
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    #1

    Jan 11, 2007, 02:39 AM
    Why does not a breaker close
    Hi,

    I want a list of all reasons a breaker cannot be closed after a trip.
    Please give me all possible reasons.

    Regards,
    Ravi
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #2

    Jan 11, 2007, 02:49 AM
    1. Broken
    ravikanth's Avatar
    ravikanth Posts: 4, Reputation: 1
    New Member
    		  
    #3

    Jan 11, 2007, 02:52 AM
    That's an obvious answer russel...
    But I want some practical observations where in a breaker will nt close...
    Please provie me with all such details if you can...

    Thanks in advance
    Ravi
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #4

    Jan 11, 2007, 03:03 AM
    The detail of an answer will be in direct proportion to the detail in a question.

    If you can provide more detail, such as the type of breaker, since there are many types, styles, designs, purposes of circuit breakers, and the circumstances, such as , did the breaker trip due to an overload or a short,is the short or overload cleared, or does the short still exist, perhaps I can expand further.
    ravikanth's Avatar
    ravikanth Posts: 4, Reputation: 1
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    #5

    Jan 11, 2007, 03:11 AM
    It's a vacuum circuit breaker...
    You can consider all the cases u can think of that a breaker can be tripped and give me the reasons respectively for not being able to close in that circumstances...

    Thank you for your response,
    But please help me in this,

    Regards,
    Ravi
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #6

    Jan 11, 2007, 03:37 AM
    You need to provide the specific circumstance for the breaker tripping.

    This question sounds like a homework assignment.
    ravikanth's Avatar
    ravikanth Posts: 4, Reputation: 1
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    #7

    Jan 11, 2007, 05:38 AM
    Yaa this is an assignment kind of stuff.
    That's y asking for some data since I am unable to get it else where
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
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    #8

    Jan 11, 2007, 07:17 AM
    I did a quick search for:
    "vacuum circuit breaker operation" and received over 30,000 hits

    And

    "vacuum circuit breaker failure" and received over 23,000 hits

    And looked at a few of the sites.

    Refine your search and I am sure you will be able to find what you need.
    Anthony_'s Avatar
    Anthony_ Posts: 38, Reputation: 1
    Junior Member
    		  
    #9

    Jan 11, 2007, 02:25 PM
    Did you try to turn it off first, then turn it back on?
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