Board Thread:Questions and Answers/@comment-173.217.44.166-20130113012013/@comment-6323960-20130418100548

Electrical Engines are indeed removed. (Since version 0.6.0: http://tekkitlite.wikia.com/wiki/Changelog ->  Removed  IC2-Transformers )

But fear not! Now you can use:

http://tekkitlite.wikia.com/wiki/Category:Power_Converters

Does a great job, but it is very complicated to comprehend at first.