I. Introduction
In today's world, most process industries rely on rotating electrical machines of one type or another to run their operations. Smaller entities may operate with a machinery inventory worth hundreds of thousands of dollars: larger ones may have more than a billion dollars' worth of equipment held in inventory. For most industries, acquiring new (or replacement) equipment is a continuous process, adding to the investment. Surprisingly, these “new” assets may reside in storage for months or years before installation. What occurs during this storage period can make - or break - any metric regarding performance and/or reliability.