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That's what I'm unsure on please if you could help/explain? Thanks

Hi, I'm just learning and I've got what is probably a stupid question here but I'd appreciate the help and a simple basic explanation of this. Why is the KA rating fault current of a low voltage 440v switchboard higher than the high voltage 6.6KV ? Thanks

So what does this mean exactly sorry for the tap % and step % in basic terms ?? Thanks for the reply much appreciated

Hi I think I've got what all the transformer markings mean, however I ain't 100% sure what the steps +- means ? Is anyone able to explain to make sure what they all are ? Thanks

So why does some VTs only do the secondary side and not the primary too?

Is it normal practice to do both sides of the VTs? As I've seen in some cases only the secondary side being done?

Hi, Is anyone able to explain to me why on this drawing where the withdrawable VTs are ? Why does the primary side of the VTs get grounded as well as the secondary side? Thanks