For 80 years this classic reference book for professional power systems engineers has provided the most comprehensive coverage of transformers on the market, and is suitable for those engineers involved in transformer design, manufacture, testing, procurement, application, operation, maintenance, condition assessment and life extension. It is also widely used as a 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 and covers all latest IEEE, IEC, EN and BS standards. Uniquely respected reference book providing theory and applications for all aspects of transformer design, operation and maintenance, according to latest standards New: Extended coverage of US and International reference standards; updates to latest technologies in manufacture, modeling and testing. Detailed treatment of all topics, from fundamental upwards