J and P Transformer Book, Fourteenth Edition is the latest in a series that has spanned 80 years as a classic reference book on professional power systems. It is the most comprehensive coverage of transformers on the market, and is suitable for engineers involved in transformer design, manufacture, testing, procurement, application, operation, maintenance, condition assessment, and life extension. As a widely used training source for those needing an introduction to transformer engineering, this new edition has been brought up-to-date with the latest research and practical developments in the subject, covering all of the latest IEEE, IEC, EN, and BS standards.