Jefferson Electric Inc.
1-800-892-3755
www.jeffersonelectric.com
Buck-Boost Application manual 02-12
Page 1 of 21
JEFFERSON ELECTRIC, INC.
Buck-Boost Transformer Application Manual
Revised on February 15, 2012
Table of Contents
I. Introduction............................................................................................................. 2
II.
Choosing the Proper Transformer........................................................................... 2
III.
Rapid Selector Charts ............................................................................................. 4
Single Phase Chart .................................................................................................. 4
Open Delta Chart .................................................................................................... 6
Wye Chart ............................................................................................................... 7
IV.
Connection Instructions and Diagrams................................................................... 9
Single Phase ............................................................................................................ 9
3 Phase Wye.......................................................................................................... 11
3 Phase Open Delta............................................................................................... 15
V. Typical
Questions ................................................................................................. 20
VI. Misapplications ..................................................................................................... 21
