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TakiTaki

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About TakiTaki

  • Rank
    Intern

Previous Fields

  • Engineering Field
    EE
  • License
    EIT
  • Discipline
    Electrical

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  1. I took in TX and I feel the same way. I knew the exam was going to have a lot of theoretical question but I was extremely surprised on so many common types of questions not show up. I studied for about 150 hours and I feel like I wasted past four months studying for something that took me nowhere. I guessed/educated guessed on about 40% of the exam which is not good at all. PM was definitely much harder than AM...at least imo. I can only hope for the best and keep my fingers crossed until December.
  2. Can someone please help me understand why increasing ambient temperature help increase the output capacity of the battery? What exactly do they mean by output capacity of battery?
  3. Found a good resource after searching around a little. https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-061-introduction-to-electric-power-systems-spring-2011/readings/MIT6_061S11_ch4.pdf
  4. 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.
  5. A 50-hp, 460-V, 3-phase induction motor is served by a single feeder conduit... and it is rated for continuous duty... Starter running overload protection is available in 5-A increments... the initial maximum sized protection device (amperes) that can be applied is most nearly: This might be a very dumb question but where is the current 65 [A] coming from? I understand the solution and I know why we need to multiply it by 1.15 and round down to get the final answer but maybe I am missing a step here. Any help is appreciated. Answer from NCEES: 65(1.15) 74.75 [A] using 430.32(A)(1) Round down and it equals 70 [A]
  6. So I have been doing a lot of practice exams and it seems like I am still struggling with the basic three phase transformer circuit analysis type of questions but getting other complicated questions correct. Does anyone have a good reference or a link to online article where I can find equations and basic understanding of different types of three phase transformers and some examples to go along with it? Something as simple as converting delta source to wye source or analysis of wye grounded vs wye not grounded, broken delta transformer or grounded delta transformer and so on. Any suggestions on what has been working for you so far or what really got you to understand some of these concepts are also appreciated. Thanks!
  7. Taking the Power exam there this October. Would like to know as well.
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