Open circuiting this circuit

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  • Thread starter orla22
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  • #1
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How do i open circuit phase R. Line number 4 on the digram being phase R?
 

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Answers and Replies

  • #2
Astronuc
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I'm not sure what you mean by 'How do i open circuit phase R'. If the impedance (resistor) in line 4 breaks or burns out it is open.

I suspect this is a question about an unbalanced Y.
 
  • #3
22
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ok so i should open circuit it by removing the load in line 4 correct and draw a direct line to the source?
 
  • #4
Astronuc
Staff Emeritus
Science Advisor
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An open circuit means the conduction has failed, i.e. it is broken. If one wants to model an open ciruit, one would have to add a switch, which then opens.

For example

_______________ is closed

_________/ _____ is open
 

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