delta to wye problem
delta to wye problem
(OP)
hello connecting 112.5 kva transformer delta 480V primary and wye secondery 208V voltage between tubing (ground) and w is _135 V y is 237V and e is 330V .connecting 60kva transformer voltage is 0 V. How to explaine that? Can I connect X0 and ground to eliminate that "problem" thanks






RE: delta to wye problem
The X0 should always be grounded. Connected to the enclosure and also to building steel or other designated grounding electrode.
RE: delta to wye problem
RE: delta to wye problem
Ground x0 to the enclosure and also to the buildnig steel/grounding electrode.
Your 60kVA x0 may already be bonded to the enclosure.