To help you find the exact information or version you need, please let me know: g., synchronous impedance, circle diagrams)?
Internet Archive: As an older academic text, digital versions are frequently hosted on the Internet Archive for non-profit lending and research.
Acquiring a legitimate PDF of this classic requires some searching. Here is what is known about its digital availability.
Modern Variable Frequency Drives (VFDs) and Vector Control (Field-Oriented Control) systems rely directly on Theory-alternating-current-machines-alexander-langsdorf-pdf
Because this book is a vintage classic, finding a physical copy can be difficult and expensive via rare book outlets. Consequently, many digital archivists, students, and professors search for digitized PDF versions. If you are looking for a digital copy, consider the following legal and legitimate avenues:
How current flowing through the armature affects the main magnetic field.
: A step-by-step derivation of the complex behavior of AC machines. To help you find the exact information or
: Many engineering departments keep physical copies in their reference sections.
Construction of the Heyland circle diagram to determine efficiency, slip, and power factor from no-load and blocked-rotor test data.
Originally published in 1937 as part of McGraw-Hill's "Electrical Engineering Texts" series, the book was so highly regarded that it saw a second edition in 1955. It remained a staple in the field for decades, with reprints produced well into the 1970s and 1980s by publishers like Tata McGraw-Hill, a testament to its enduring value. Here is what is known about its digital availability
Note: This paper is a scholarly reconstruction based on the known contents of Langsdorf’s textbook. For exact equations and diagrams, refer to the original published work.
Alexander Suss Langsdorf (1877–1973) was more than just a textbook author; he was a pillar of engineering education in the United States.
