Hi everyone,
I am wondering for those of us who are based in Australia, could we use the calculation methodology as per HB101 and HB102 for AS3835 to evaluate the AC induction voltages for a pipeline?
The AS3835 is titled "Earth Potential Rise - Protection of telecommunications network users...
Hi all,
Where we use X90 and X110 rated XLPE cables and we "push" the cables to run at a higher ampacity with a higher conductor operating temperature, say we take 80deg in this instance.
If we run these cables in PVC conduits (typically buried in-ground), would these PVC conduits not be an...
Hi all,
I am trying to size the kVA rating of the zigzag TX. The parameters are:
11kV, Ineutral = 400A, 60sec rating.
Based on Westinghouse T&D book, the rating is calculated to be 11kV/sqrt(3) x 400A x factor of 0.104 = 264.2kVA.
Based on IEEE C62.92.4:2014, the rating is calculated to be...
Happy new year 2021 to everyone.
In the CDEGS FDIST module, I want to define a terminal using underground 11kV cables. I am trying to get to the user interface where it shows the following (the screenshot below is taken from the manual) but I could not find a way how to get to this screen...
Hi all,
I have a system with 3 off 11kV 2.5MVA emergency standby generators that will be supplying emergency power to a critical facility when the network power from the utility is disrupted.
The connections go like this:
3 off 11kV generators -> 11kV generator bus -> 11kV ring mains serving...
Hi, I am wondering if anyone can tell me if there are significant notable changes between the 2010 and 2018 version of IEC 60479-1?
I have the 2010 version but not the newer 2018 version and the cost of 2018 is rather high for me. I am trying to weigh if it is really necessary to get the 2018...
Hi all,
I have searched the forum and found a few threads about the permissible touch voltage calculations but the threads do not answer my question so I would like to ask here.
I wanted to calculate the permissible touch voltage as per EN 50522 and/or IEC 60479.
Referring to annexe A of EN...
