– Theory of Alternating-Current Machines by Alexander S. Langsdorf (originally published by McGraw-Hill, circa 1950s–1970s) is a classic electrical engineering text. There is no 2021 edition of this book; the author died in 1996, and the book is long out of print. Any “2021” version would likely be a print-on-demand or scanned reprint, not a new edition.
You can find digital versions and snippets of earlier editions on the Internet Archive and Google Books . 🛒 Where to Find It
Langsdorf provides a meticulous breakdown of synchronous generators, focusing on the armature reaction and its effect on the magnetic field. The use of phasor diagrams to illustrate voltage regulation is a hallmark of his approach. Induction Motor Performance theoryalternatingcurrentmachinesalexanderlangsdorfpdf 2021
The text is structured to build from fundamental principles to complex machinery:
The theory of alternating current (AC) machines is a fundamental concept in electrical engineering, and one of the most influential books on the subject is "Theory of Alternating Current Machines" by Alexander Langsdorf. First published in 1959, the book has become a classic in the field and has been widely used as a reference text by engineers, researchers, and students. In this article, we will provide an overview of the book, its contents, and its significance in the field of electrical engineering. – Theory of Alternating-Current Machines by Alexander S
Practical rating (out of 5)
Key topics covered in the Theory of Alternating Current Machinery include: Any “2021” version would likely be a print-on-demand
Perhaps no section of Langsdorf’s book is more relevant than his deep dive into synchronous machines. In 2021, as the world transitions to renewable energy and inverter-based resources, the physics of the synchronous machine remains the anchor of grid stability.
Langsdorf's contributions to the field of AC machines include:
Researchers and students can carry years of foundational knowledge in their digital devices.