adjustable-ratio transformer

12-phase-shifting transformer

arc-suppressing transformer

autostarter transformer

A C transformer

air cooled transformer

acoustic transformer

1: 1 isolative type of transformer

adjustable transformer

auxiliary current transformer

AC current transformer

auxiliary power transformer

alternating current transformer

acoustical transformer

ac potential transformer

aircooled transformer

audio frequency transformer

acid transformer

3 to 4 phase transformer

air transformer