Mar 28, 2025 · For context, this is a 480-120V delta-wye transformer, that was found with no ground to N connection on secondary side. Having an electrical engineering background, this …

Oct 24, 2007 · I Have A Three Phase Delta-delta 480vac To 240vac Transformer. This Transformers Has Me Concerned Due To The Voltage Readings To Ground. This Transformer …

Jun 4, 2015 · I have never hooked up a delta to delta transformer but this is what I have. This was an existing setup at work where a 480v 3 phase feed with no neutral is feeding a delta primary …

Jan 23, 2009 · There is less stress on a delta connected transformer from heavy motor starts than on a wye. And, of course, there is alot of single phase 240 V equipment as well as 240 V three …

Aug 23, 2019 · So we have a water plant with a 480 delta service, was a 240V service until a few years ago so all the old stuff is running off a 480V primary, 240V with 120V lighting tap …

Feb 22, 2017 · The worst transformer I ever had to find was a 400 kVA, 480V delta primary, 600V wye secondary. A local Crescent Electric Supply branch got it from MGM transformer, I think.

Jun 8, 2015 · 480v delta 240v delta transformer issues 1 reading Jump to Latest 6.2K views 37 replies 11 participants last post by micromind Jun 10, 2015

Feb 20, 2015 · While a wye grounded primary delta secondary is a functioning connection it has one major draw back: the closed delta secondary turns the transformer bank into a grounding …

Mar 7, 2009 · I have a situation with some new machinery coming to a factory. The engineers say the equipment needs 480V Y but it doesn't need a neutral. Presently the plant only has a …

Dec 5, 2024 · Our ground fault monitor is indicating a potential ground fault. Given the attached diagram, please assess the grounding configuration of Transformer 2. Note: Transformer 1 …