Synchronous machines
: It provides one of the most thorough treatments of complex quantities and vector diagrams in AC circuits.
Power factor correction, stability, and power circle diagrams. Academic Significance
Alexander S. Langsdorf’s "Theory of Alternating-Current Machinery" (1937) remains a highly regarded, mathematically rigorous text for electrical engineering, offering in-depth analysis of transformers, synchronous machines, and physical principles. While dense and sometimes utilizing outdated unit systems, the book is considered a "gold standard" for its comprehensive, fundamental approach to AC systems. Read user reviews and check availability on Amazon.com Theory of Alternating-Current Machinery - Amazon.com