I've been asked for some quality grid parameters required to design an electrical facility, like harmonics, voltage and frecuency tolerances. One of the parameters is "Audio frequency" to be considered. I had never heard of this. I suppose it is something to characterize the ripple of the...
Hello everyone,
I see that ETAP is just using three phase short circuit results to check device duty requirements for buses and breakers, although in some cases line to ground shortcircuit currents are higher than three phase ones. Is this correct or should it be checked manually?
Thanks.
I have a case of two 4,16kV switchgears (F1 and F2) and each of them is located in separate substations. One switchgear (F1) is feeding the other switchgear (F2). Upstream (F1) circuit breaker is provided with earthing switches at the cable termination to ground the cables during maintenance...
Hi. I´m new at using PLS CADD. I can't find any criteria file with spanish code for loads in the version of the program I have. Could anyone send me the proper criteria file or should I have to créate it from de begining?
Thanks.
