I guessed I missed one part, Is there any other link or literature available on internet that can explain same details about Substations as well.
BJC, You mentioned some utilities have some free information avaialble, I would certainly be interested in that as well.
Thanks all for your comments. BJC....I guess you are very much right... No need to reinvent these things...People use already written stuff and copy ...I just thought knowing these details might add to me and that is why I wondering, how much I need to know.
apowerengr : Thanks for your...
Hi All,
I want to understand the role of an electrical engineer, when it comes to drawing details. I am an engineer in training in a consulting firm. Now...coz I dont have the relevent supervion or guidance from available from my superior, so we send most of the work to other places. I recently...
Thaks everybody for your timely input.
I guess the last portion of this situation. I wrapped up the specs:
I specified the incoming fuse and disconnect combination as per size for 125 HP, 600 V
fuse Class J type 150 A but then I realized I have this cap bank as well, which is sized as 90% of...
Hi,
I have to specify a soft starter for a 125 HP vent fan application. Just to make my self acquainted with the basic requirements, I read this 95 page ABB soft starter manual.
It talked a lot about pumps and cetrifgual fans but nothing about Ven fans used in mining applications. Anyways, I...
For typical substation, you might have to use either a spherical method if you use a mast or a shielding method if you use a shielding wire.
You can find these details at IEEE Std for shielding of substation.
There is another link that might help...
Thanks for your reply.
dpc,
Q#1, I dont have much experience but I have never seen, sqrt(3) and V(LL) in any expression or formula in EE that talks about single phas entities, so how it can be justfied in this case. But if it an exception and everybody has accepted in industry than I will not...
Hi,...
This is my second. question on this forum. I am happy with my first question response.
Thanks to all who contributed.
# 1 : I am using ETAP for a short circuit calcs. I am pluging the info from utility.
As per the help file,
3 Phase Short Circuit MVA= sqrt(3) * V(L-L)* Ifault(3 Phase)...
Hi,..
Heard a lot about this website and trying my luck for the first time....I am an still in Training and trying to learn things. Still some time to go to be a P.E....
Just a quick question;
I have to coordinate a 150E(44 KV Primary Delta-10 MVA )s&C fuse with a ABB breaker(F35 Multinlin...
