Alexander Heinrich Heyland
Alexander Heinrich Heyland (born July 3, 1869 in Iserlohn ; † March 14, 1943 in Brussels ) was a German electrical engineer who invented the circular diagram of the asynchronous machine .
Life
Alexander Heyland's father Ferdinand Heyland († 1881) came from Gütersloh and was a royal district judge and later a notary . His mother was Marie Heyland born. Schmöle. His sister Helene (1871-1916) married the Prussian general and later Minister Hermann von Budde .
From 1890 to 1894 Heyland studied at the Technical University of Hanover (with Wilhelm Friedrich Kohlrausch ?). In 1894 he gave the circle diagram of the asynchronous machine, still known today as the " Heyland circle ", which was later expanded by Johann Ossanna .
Alexander Heyland later worked at Elektrizitäts-AG, formerly W. Lahmeyer & Co. in Frankfurt am Main and at Ganz & Co. in Budapest , until he became Erasmus Kittler's assistant at the Technical University of Darmstadt in 1896 . In 1897 Heyland was a consulting engineer at Lahmeyer and developed the Heyland single-phase motor . From 1898 he worked at Electricité et Hydraulique Cie. in Charleroi (Belgium) and Jeumont (France), where Heyland started producing AC and three-phase motors.
literature
- August Ludwig Degener: Who is who? The German who's who. 9th edition 1928, p. 656.
Web links
- Friedrich Heilbronner: Alexander Heinrich Heyland (1869-1943). (pdf, 282 kB) In: Ossanna Symposium Trient. July 29, 1999, archived from the original on May 9, 2003 (biography).
| personal data | |
|---|---|
| SURNAME | Heyland, Alexander Heinrich |
| BRIEF DESCRIPTION | German electrical engineer who developed the pie chart of the asynchronous machine |
| DATE OF BIRTH | July 3, 1869 |
| PLACE OF BIRTH | Iserlohn |
| DATE OF DEATH | March 14, 1943 |
| Place of death | Brussels |