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TakiTaki

Symmetrical Component Diagrams

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Does anyone know where I can find symmetrical component diagrams for different types of faults. 3 phase, single line to ground, line to line, line to line to ground, line(s) to grounds through an impedance. Since they all have different diagrams and they are all treated differently, I would like to keep this all at one place and take it to exam with me. I have the blackburn symmetrical component book but I am looking for more of a summary than a full textbook. 

For example, something that I can use with NCEES #514 quickly. 

 

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10 hours ago, TakiTaki said:

Glad you found that. 

I used that one and also this one from SEL.

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10 minutes ago, fyrfytr310 said:

Glad you found that. 

I used that one and also this one from SEL.

I’ve used this sel one to answer a lot of practice exam questions.  👍

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19 hours ago, TakiTaki said:

Does anyone know where I can find symmetrical component diagrams for different types of faults. 3 phase, single line to ground, line to line, line to line to ground, line(s) to grounds through an impedance. Since they all have different diagrams and they are all treated differently, I would like to keep this all at one place and take it to exam with me. I have the blackburn symmetrical component book but I am looking for more of a summary than a full textbook. 

For example, something that I can use with NCEES #514 quickly. 

 

Graffeo's book as a pretty good no nonsense summary of all the different type of unsymmetrical fault equivalent circuits. Just about every recommended PE reference book text book will have a chapter on symmetrical components as well, especially books focused on power system analysis. 

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