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 …

Feb 22, 2017 · Yeah that sounds like a corner grounded delta. The point of it is to have a grounded system. For big motor loads like saw mills and irrigation pumps, delta transformers …

Dec 29, 2024 · We just moved from a location with a High-Leg Delta Panel: 120/120/208vac and into a building with 3-Phase Wye panel: 120/120/120vac all legs to ground and 208 between …

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 …

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 …

Aug 24, 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 …

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 …

Nov 19, 2013 · I am feeding a 480 delta- 208/120 wye transformer from a 480 wye source. Is there a code article that would require a neutral to be pulled with the phase conductors to the …

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 …

Apr 28, 2011 · on a delta delta and a delta wye trans. what are they and how do they work/apply to the panel and load? :001_huh: