Transformer theory; Design Fundamentals; Basic Materials; Transformer construction; Testing of transformers; Operation and maintenance; Special features of transformers for particular purposes; Transformer enquiries and tenders. Appendices: Transformer equivalent circuit; Geometry of the transformer phasor diagram; The transformer circle diagram; Transformer regulation; Symmetrical components in unbalanced three-phase systems; A symmetrical component study of earth faults in transformers in parallel; The use of finite element analysis in the calculation of leakage flux and dielectric stress distributions; List of National and International Standards relating to power transformers;List of principal CIGRE reports and papers relating to transformers; List of reports available from ERA Technology Ltd, formerly British Electrical and Allied Industries Research Association (ERA), relating to transformers and surge phenomena therein. Index.