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  • Users: jgoebel
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  1. jgoebel

    Would You Encourage Your Kids to become Engineers?

    engineering is a dead end
  2. jgoebel

    How many of you would consider yourself a SCIENTIST

    You guys are selling out in the worst of ways.
  3. jgoebel

    How many of you would consider yourself a SCIENTIST

    I realize that this is an engineering forum, but how many of you would consider yourself a scientist? I would think of scientist in terms of taking something that either 1 is heavily based on the recent advanced research of another and then applying this to bettering something or 2 is...
  4. jgoebel

    Tunable Capacitor Banks?

    Hi everyone, A recent discussion with an engineer here got me to thinking - are there such things as tunable capacitor banks? IE you have a bank of caps and depending on the inductive properties of the load (which should be able to be measured by probing the voltage and current waveforms and...
  5. jgoebel

    Politics in a Small Way

    Big brother is watching!
  6. jgoebel

    Politics in a Small Way

    rbulsara - Thanks for the encouragement. Danke
  7. jgoebel

    Politics in a Small Way

    Alright, So I went above and beyond and created this tool that automatically stores project related emails to the appropriate project folder on our network. I mean, I put in a good deal of hours on this thing. I was kind of proud when I finally got it working, (I am an EE) with some...
  8. jgoebel

    Why would Motor Contributions Not Affect Fault Levels?

    Thanks guys, This does shed some light on the situation. Motor contributions will have an impact on calculated upstream fault current values for a short (few cycles) duration is the consensus I am hearing. I need to pick up my college motor/power circuits book and review the different kind of...
  9. jgoebel

    Why would Motor Contributions Not Affect Fault Levels?

    This conclusion is one that apparently a couple people have reached, as they have said this in another thread. I would like to gain more intuitive understanding of this. I understand perfectly the idea that a motor will 'feed back' on the distribution system and act like a generator when power...
  10. jgoebel

    Do You Use What You Learned in School for Your Job?

    Some of you guys are completely missing the big picture. Generalists are great if you are in a commodity driven market and not interested in advancing anything. If you just want to minimize outflow and maximize your product/service, then by all means hire all super fast cad guys. A good...
  11. jgoebel

    Reactor Design and Fault Current Levels for a Chiller

    I just tested placing the Littlefuse in my SKM model and put a bus on either size of the fuse to test available short circuit current at both sides. Identical. I don't get it, I think I need to be thinking at this more from a time of trip/break the circuit perspective... please shed light for...
  12. jgoebel

    Reactor Design and Fault Current Levels for a Chiller

    Anyone very familiar with SKM reply please - I am trying to model putting a particular fuse in my system to see if SKM dappor/captor short circuit simulation is somehow adjusted if you put a particular fuse in the system. I'm just putting busses on the same side. I still don't quite...
  13. jgoebel

    Reactor Design and Fault Current Levels for a Chiller

    peebee, the discrepency is not whether current limiting fuses and VFDs work together to bring down fault current, but whether reactors and VFDs/not can be used etc. I factored in motor contribution. This bumped up the original fault current from 36kA to 38KA, ish. So we were still a bit...
  14. jgoebel

    How many hours do you require of employees?

    I dont know what the policy is on here of naming specific companies. I guess since I don't know (can someone tell me please) I will refrain. But I recently talked to a guy at a bigtime (everyones heard of them) software company and he said that the 80 hour workweek is pretty regular. I really...
  15. jgoebel

    Do any of you do this Here?

    Looking around job postings in the ENERGY/financial analyst, traders, etc. This appears to be a cool field where you need both an understanding of some EE but also the ability to accurately model and predict energy/financial markets, using tools like MATLAB, PSS/E, C++, etc. I'm wondering if...
  16. jgoebel

    Structure Lightining Protection

    looks like its covered in that IEEE 998 reference if you want to look further ..
  17. jgoebel

    Structure Lightining Protection

    Yeah, what peebee said. The most helpful analogy for lighting protection (for me) was when someone talked me through the rolling globe analogy. The lower limit of a sphere is positioned at air terminals. Any structure below the sphere is covered. Any structure or equipment that intersects...
  18. jgoebel

    Reactor Design and Fault Current Levels for a Chiller

    I thought of the lengthening the feeder thing. My manager thought it was 'idiotic,' though. I checked and it would only take about an additional 35 feet of feeder.. DPC: Your solution 1) (at top) seems great. This is what my manager suggested looking into. But after digging and talking to...
  19. jgoebel

    Psych Minors Welcome

    Thanks for the advice, guys.

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