Posted by buickanddeere on November 05, 2011 at 09:39:17 from (216.183.136.182):
In Reply to: Re: OT generator posted by Shetland Sheepdog on November 04, 2011 at 16:49:54:
Delta secondaries are never ever used around here. 120/208 four wire, some rare 240/416 four wire, three wire 600V on very large services and 347/600 four wire. Only time we use 277/480 is on specific equipment not manufactured in 208V or 600V. There are some 600 to 277/480 delta-wye transformers around. Dual voltage 220/440 motors are uncommon but connected to 208V or 416V. They seem to operate ok. Have never ever seen a 208 transformer with a delta secondary. Always a wye to provide a neutral. 347/600V lighting panels are supplied from a transformer with wye connections. Usually the 347/600 neutral comes from the utility transformer's wye point. Or on occasion a 600V to 347/600 delta/wye transformer is mounted near the lighting panel. If the building is supplied with only 600V three wire from a very large service.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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