Recent content by narasura

  1. narasura

    Need help about lightning arrester/surge arrester

    okay sir, certainly I will print this thread and ask for his comment, maybe things will get clearer and again, thank you very much for answering my questions and for the advices
  2. narasura

    Need help about lightning arrester/surge arrester

    from what all of you just said, I think this theme is too wide for an undergraduate/bachelor degree thesis. and my head just hurts with the many factor that causes the result would be unexpected thank you for your responses, I'll go consult to my professor and maybe get simpler theme, or maybe...
  3. narasura

    Need help about lightning arrester/surge arrester

    how can i keep track of the dissipated energy in each device? whew I still get ton of things to learn.. so is the accumulation damage from triggering would cause the arrester to heat up and then makes the resistance to increase/decrease? and what are the factor that causes the nonlinearity in...
  4. narasura

    Join the Discussion: New Member with Questions on Electrical Engineering Project

    okay sir, I will keep that in mind ! and thank you for having me in the forum :smile:
  5. narasura

    Need help about lightning arrester/surge arrester

    i really appreciate your reply, good sir.. for the arrester, I'm using OHIO BRASS PDV100 Optima it's the metal oxide one, with rated voltage of 18,5 kV written on the arrester. for the impulse generator, the one I'm using in my lab is High Voltage Testing Device, Type D250 (52), by Ogawa Seiki...
  6. narasura

    Join the Discussion: New Member with Questions on Electrical Engineering Project

    hello, I'm new in this coummunity, mainly I'm here to ask about something on my project but I hope I could also join in some discussions in my field of expertise. I'm still an undergraduate student majoring in electrical engineering.
  7. narasura

    Need help about lightning arrester/surge arrester

    so I'm working on a project about the usage of multiple lightning arrester by paralleling it, with 2 or 3 arresters. and my project mainly discuss about the discharge current ( current flowing through the arrester to ground) so how would be the effect exactly?? the theory says, that arester is...
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