Book Details : | |
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Language | English |

Pages | 602 |

Format | |

Size | 8.05 MB |

Transformer Design Principles With Applications to Core-Form Power Transformers 2nd Edition | PDF Free Download.

- Introduction
- Magnetism and Related Core Issues
- Circuit Model of a Two-Winding Transformer with Core
- Reactance and Leakage Reactance Calculations
- Phasors, Three-Phase Connections, and Symmetrical Components
- Fault Current Analysis
- Phase-Shifting and Zig-Zag Transformers
- Multiterminal Three-Phase Transformer Model
- Rabins’ Method for Calculating Leakage Fields, Leakage Inductances, and Forces in Transformers
- Mechanical Design
- Electric Field Calculations
- Capacitance Calculations
- Voltage Breakdown and High-Voltage Design
- Losses
- Thermal Design
- Load Tap Changers
- Miscellaneous Topics

Like the original edition, the second edition of our book focuses on the physical principles behind the transformer design and operation.

This edition includes some, but not all, material from the first edition, with corrections as needed. It also includes a lot of new material, in particular, a chapter on multiterminal transformers, a section on a relatively new oil breakdown methodology, and a section on zig-zag transformers.

The material has also been reorganized into what we hope is a more logical development. This edition uses the metric (international, or SI) system exclusively.

Transformers function in an environment where electrical, mechanical, and thermal requirements must be satisfied.

Concepts from each of these disciplines must, therefore, be brought to bear on the design process.

Starting from basic principles and providing a lot of background material, we derive design formulas and methods.

Stressing the fundamentals will enable the design engineer and the transformer user, such as a utility engineer, to have a better understanding of the rationale behind design practices.

Because many of the design procedures are mathematically complicated, computer methods will most likely be employed in their implementation; personal computers can be used for this, and a good mathematical library would also be helpful.

Since the first edition, electromagnetic 3D finite element programs have also become more generally available and useful.

We will present some calculations using this tool, especially in conjunction with the impedance boundary method for dealing with eddy current losses in high-permeability materials such as tank walls. As in the first edition, important results can also be obtained with a 2D version.

Although this book primarily deals with power transformers, the physical principles we discuss, and the mathematical modeling techniques we present apply equally well to other types of transformers.

We keep the presentation as general as possible, with minimal use of jargon, so that designers or users of other transformer types will have little difficulty applying the results to their own designs.

The emphasis on fundamentals will allow us to see where better approximations or different assumptions can be made in order to improve the accuracy or broaden the applicability of the results.

References are listed alphabetically at the end of the book and are referred to generally by the first three letters of the first author’s last name followed by the last two digits of the publication date, for example, [Abc98]; where this format cannot be followed, an appropriate substitute is made.

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