A high precision ratio transformer can provide the accuracy and resolution needed for testing resolvers at small angular increments. This document discusses how a precision ratio transformer can be ...

Part 1 of this three-part series laid out an overview of a proposal to create a numerical health index and establish a practical program for power transformer maintenance. Part 2 breaks down each of ...

Electrica signature analysis (ESA) uses the magnetic field in the air gap of an electrical machine to evaluate power quality conditions. Dry and oil transofrmer types are subject to problems ...