Condition Monitoring of Electrical Machines

Condition monitoring of engineering plant has increased in importance as more and more engineering processes are automated and the manpower needed to operate and supervise plant is reduced.

But electrical machinery has traditionally been thought of as reliable and requiring little attention, except at infrequent intervals when the plant is shut down for inspection.

Rotating electrical machines, however, are at the core of most engineering processes and as machines are designed to tighter margins there is a growing need, for reliability's sake, to monitor their behaviour and performance on-line. This book is a guide to the techniques that are available.

The subject of condition monitoring of electrical machines as a whole covers a very wide field including rotating machines and transformers, and could include the many off- line inspection techniques.

To restrict the field the authors deal with rotating machines only and to techniques that can be applied when those machines are in operation. Many new ideas have been developed and refined in the university; in the supply and manufacturing industries techniques have been applied and operational experience has shown which are the most serviceable.