ground fault
ground fault
(OP)
Is a ground fault relay required on the load side of 75kva XFMR. If it is can someone tell me what article in the IEC for Australia its in.
When was the last time you drove down the highway without seeing a commercial truck hauling goods?
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RE: ground fault
I'm only used to NZ, not Australia, but I presume it's similar... IEC standards are only guides, not mandatory requirements. The regulatory aspects are mainly covered off in parts of the wiring rules (AS/NZS 3000) which is the equivalent (kind of) of the NEC/CEC (I'm presuming by use of "ground" that you're North American - apologies if I'm mistaken!).
A clever Aussie (is there such a thing? :P) might be able to shed better light on anything more specific to Australia.
RE: ground fault
I see them for step up transformers all the time, but thats not for a customer's installation, and I've not seen a 75kVA transformer in that application. I can't comment on SWER at all.
Australia generally has its own standards, some of them are direct reference of IEC standards, but a lot of them (AS2067 comes to mind) are not.
RE: ground fault