jun41,
This is just slightly off the topic of your main question. But if you're concerned about getting into a better school, there may be a way. Often times, a school will allow you to take a course or two as a non-degree student to prove yourself. If you do well, they will sometimes admit...
Is this a demonstration of a pre-made experiment, or a hands-on experiment that the students build?
I'd guess the most public icon of engineering for students in middle school is wind turbines. Maybe they could make one to run a small light.
Thanks for the suggestions. I may have misunderstood... my boss may well have been referring to Buchholz Relays. I'll have to double check with him.
Thanks again
rbulsara,
You mention it is more detectable in oil insulated transformers. How is it distinguished from other faults?
It was suggested to me that a small opening in the insulation could result in arcing, but that the voltage through the small opening is so small that the arc cannot sustain...
Hello all,
I am a newer engineer, and have recently been given the job of performing a sectionalizing study for a local utility. As my employer was going over some of the basics with me, he mentioned enabling incipient fault detection on the substation relays. He was actually not certain how...
Along the same lines of kikflip's advice, I like to make a program in excel or visual basic that will aid in what I am learning. It forces you to beome very familiar with different relations, refreshes your programming skills, and you're left with a handy tool for the future.
The University of Idaho does not offer one specifically in that specialization. What I mean is... you will not have a degree that says Masters in Electrical Engineering with a focus on Power System Protection. You will have one that indicates a focus on power.
However, many of their courses...
To make it a bit more specific, I am most interested in FEA applied to earth grounding systems. Though I am interested to hear any suggestions to EE-specific FEA
I am searching for an online course on FEA applied specifically to electrical engineering. It seems that most FEA courses are within the mechanical or civil engineering department, with the instruction tailored more toward topics that would be of interest to someone of that specialization...
It has always been my understanding that a true delta system has no neutral.
I came across a few documents today however that seemed to indicate otherwise. It says that there actually is a neutral, due to capacitance between the phases. Is this true? If so, can it be used as a reference...
I don't know for certain if these can be tied together, but I did run across the following:
http://ecadigitallibrary.com/pdf/CARTSUSA09/4.7a%20Chacko-Kemet.pdf
On the second page of the above link, half way down the page, the author mentions substituting case B size capacitors with either size...
That fixed my problem... it was just a formatting issue.
I'm not very familiar with AutoCAD. I'm one of those engineers I mentioned that makes edits without knowing what he's doing. However, I am friends with the CAD operator and am familiar with programming at a moderate level, so I got...
When you say to "the (getvar "dwgprefix") to "c:\\revfolder\\" or something similar to your liking", must I precede "C:\\revfolder\\" by some function, indicating that it is a path name?
I can't seem to tell it to place the text file in another path
That worked, thank you.
I noticed however that I had to add the above code to the project each time I opened it. Is there a way to permanently associate this code with the project, so that it does not need to be added each time? I suspect that people in the office will add the reactor as...
A few people in my office have AutoCAD (two copies of 2010 and two of 2004). One of them is an AutoCAD operator, and the other three are engineers. Some of the engineers will open a drawing that the CAD operator made and make changes to it, but do not update the revisions section. They make...
A low voltage molded case circuit breaker is often given several ratings of interrupt current. For example:
14kA at 600V
18kA at 480V
Let's say I'm using a breaker with a 600V frame on a 480V system. Is my interrupt rating 14kA or 18kA?
I was under the impression that the interrupt rating...
I'd like to begin this question by stating up front that I have no intention of this turning into a PE vs. non-PE debate, or that I am questioning the necessity of PE stamps or the qualifications or abilities of PEs and non-PEs.
My question does however concern what requires a PE stamp (I am...
I've heard many people talk about the future of young power engineers. As there are fewer schools that push people into electric power engineering, the industry is full of older engineers looking to retire in the next 10-15 years (and I'm referring to the US). An opinion I've heard on several...
I looked over the sheet that ScottyUK provided, but I'm having some difficulty in grasping the concept.
My thought is that the current of the resonant harmonic (primarily) charges the capacitance, and all voltage losses are through the conductor resistance. As the current discharges, the...
