This isn't just an app with diagrams and information to read, this is a fully interactive transformer lab that can fit in your pocket. Whether you are brand new to the trade, just learning about Transformers, or a seasoned Lineman, this app can help you learn more about transformers. From transformer banks, to basic transformer troubleshooting and even basic transformer paralleling, you can learn a ton with this app. 
In this app there is a functioning volt meter, ohm meter, and even rotation meter.
On the slide-out menu you can see your voltages as you make changes to the banks in live-time.
Pop the lid to transformers and view the secondary windings and blowing fuses under certain conditions are just a few of the many amazing features!
Build a custom quiz for you and your apprentices!

Current Labs in this app:
-Single Phase-
Single Bushing Topside
Dual Bushing Topside

-Three Phase-
Delta Delta Closed
Delta Wye Closed
Wye Delta Closed
Wye Wye Closed
Delta Delta Open
Wye Delta Open

-Misc-
Paralleling
4th Cutout
Troubleshooting
Tutorial

-Advanced-
Straight 480
240/480
277/480
Corner Grounded 240 or 480
Wye Wye 5 Wire (120/240 & 120/208)

-Quiz-
Test your transformer wiring knowledge by completing a predetermined assortment of labs at random. Blowing fuses and attempting to Check Work subtract from your overall score out of 100.

-Advanced Quiz-
Test your overall transformer knowledge by completing a series of random quizzes where you receive basic job-site information and have to choose the correct transformer nameplate and secondary coil configuration. You will then have the option to wire up the corresponding bank.

Intuitive Transformer Lab - By a Lineman, For Linemen &amp; Apprentices

Lineman's Reference - XFMR Lab

Additional Information