Charles LeGeyt Fortescue
Born1876
York Factory
Died1936 (aged 59–60)
Pittsburgh, Pennsylvania, United States
Nationality Canada
Alma materQueen's University
OccupationElectrical engineer
Years activeSince 1898
EmployerWestinghouse Electric Corporation
Known forSymmetrical components
Spouse
Louise Cameron Walter
​
​
(m. 1905)​
[1]
ChildrenErnest , Charles , Thomas[1]
AwardsElliott Cresson Medal (1932)

Charles LeGeyt Fortescue (1876–1936) was an electrical engineer. He was born in York Factory, in what is now Manitoba where the Hayes River enters Hudson Bay. He was the son of a Hudson's Bay Company fur trading factor and was among the first graduates of the Queen's University electrical engineering program in 1898.

On graduation Fortescue joined the Westinghouse Corporation at East Pittsburgh, Pennsylvania, where he spent his entire professional career. In 1901 he joined the Transformer Engineering Department and worked on many problems arising from the use of high voltage. In 1913 Fortescue published the AIEE paper "The Application of a Theorem of Electrostatics to Insulator Problems". Also in that year he was one of the authors of a paper on measurement of high voltage by the breakdown of a gap between two conductive spheres, which is a technique still used in high-voltage laboratories today.

In a paper [2] presented in 1918, Fortescue demonstrated that any set of N unbalanced phasors — that is, any such "polyphase" signal — could be expressed as the sum of N symmetrical sets of balanced phasors known as symmetrical components. The paper was judged to be the most important power engineering paper in the twentieth century.[3]

He was awarded the Franklin Institute's 1932 Elliott Cresson Medal for his contributions to the field of electrical engineering.

A fellowship awarded every year by the IEEE in his name commemorates his contributions to electrical engineering.[4]

Patents

Fortescue obtained 185 patents in his career, in the design of transformers, insulators, and DC and AC power circuits.[5]

References

  1. 1 2 "Fortescue generations". Fortescue. Retrieved 28 April 2018.
  2. ↑ Fortescue, Charles. L. (July 28, 1918). "Method of Symmetrical Co-Ordinates Applied to the Solution of Polyphase Networks" (PDF). AIEE Transactions, vol. 37, part II, pages 1027-1140 (1918). Annual convention of the AIEE (American Institute of Electrical Engineers). Atlantic City, N.J. Retrieved July 18, 2015.
  3. ↑ Heydt, G. T.; Venkata, S. S.; Balijepalli, N. (October 24, 2000). "High Impact Papers in Power Engineering, 1900-1999" (PDF). Proceedings 2000 North American Power Symposium, vol. 1, October 2000. North American Power Symposium (NAPS). Waterloo, Ontario. Retrieved July 18, 2015.
  4. ↑ "Charles LeGeyt Fortescue Scholarship". Faculty IEEE. Retrieved July 18, 2015.
  5. ↑ http://www.iec.ch/about/history/techline/ Archived 2019-12-17 at the Wayback Machine IEC Techline, "Inventors and Scientists", Charles Fortescue, retrieved 2010 01 12
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