Within a utility substation, 40MW of distributed generation is presently being installed. A station service transformer for this generator addition (3-phase, 12,470-480V, 1500KVA, wye primary and delta secondary) has three individual feeder loads tapped directly from the secondary to power...
I inquiry on a situtation that I am analyzing for 15kv power cable placed in a trench system. To obtain the cables highest ampacity, it is required to surround the cables with a sand, or other soil material, that has a very good soil thermal resistivity to allow cable heat disipation, (ie...