April 2011
Intermediate to advanced
992 pages
28h 25m
English
Content preview from J & P Transformer Book, 13th Edition
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2 Design fundamentals
2.1 TYPES OF TRANSFORMERS
There are two basic types of transformers categorised by their winding/core configuration: (a) shell type and (b) core type. The difference is best understood by reference to Fig. 2.1.
Figure 2.1 Transformer types
In a shell-type transformer the flux-return paths of the core are external to and enclose the windings. Figure 2.1(a) shows an example of a three-phase shell-type transformer.
Whilst one large power transformer manufacturer in North America was noted for his use of shell-type designs, core-type designs predominate in the UK and throughout most of the world so that this book will be ...
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