ward leonard system


ward leonard system
\\ˈwȯrdˈlenərd-\ noun
Usage: usually capitalized W&L
Etymology: after Harry Ward Leonard died 1915 American electrical engineer & inventor
: a regenerative electrical system by which variations in motor speeds for all loads carried by a motor are obtained without rheostatic losses in the main circuit

Useful english dictionary. 2012.

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  • Ward Leonard control — Ward Leonard Control, also known as the Ward Leonard Drive System, was a widely used DC motor speed control system introduced by Harry Ward Leonard in 1891. In early 1900s, the control system of Ward Leonard was adopted by the U.S Navy and also… …   Wikipedia

  • Harry Ward Leonard — Infobox Scientist name = Harry Ward Leonard box width = image width = 229px caption = Harry Ward Leonard birth date = February 8, 1861 birth place = Cincinnati, Ohio, U.S.A death date = February 18, 1915 death place = New York, U.S.A residence =… …   Wikipedia

  • Harry Ward Leonard — (* 8. Februar 1861 in Cincinnati, Ohio; † 18. Februar 1915 in New York) war ein US amerikanischer Elektroingenieur und Erfinder. Seine 30 jährige Karriere spannte sich vom späten 19. bis in das frühe 20. Jahrhundert. Er wurde mit seiner …   Deutsch Wikipedia

  • Ward Acres Park — Ward Acres is a 62 acre park in New Rochelle, New York, on the grounds of a former estate. The park contains mature woodlands, fields, streams and wetlands, as well as two houses and a horse farm with a large stable. The park is owned and… …   Wikipedia

  • Ward Churchill — Infobox Celebrity name = Ward Churchill imagesize = 200px caption = Ward Churchill speaking at the Bay Area Anarchist Book Fair, May 2005. birth date = birth date and age|mf=yes|1947|10|2 birth place = Elmwood, Illinois, United States death date …   Wikipedia

  • Harry W. Leonard — Harry Ward Leonard (* 8. Februar 1861 in Cincinnati; † 18. Februar 1915 in New York) war ein US amerikanischer Elektroingenieur und Erfinder. Seine 30 jährige Karriere spannte sich vom späten 19. bis in das frühe 20. Jahrhundert. Er wurde mit… …   Deutsch Wikipedia

  • History of Solar System formation and evolution hypotheses — Capture theory redirects here. For the solar capture theory, see this article s section on Solar System formation. For the lunar capture theory, see this article s section on lunar formation. Ideas concerning the origin and fate of the world date …   Wikipedia

  • Booster (electric power) — A Booster was a motor generator (MG) set used for voltage regulation in direct current (DC) electrical power circuits. The development of alternating current and solid state devices has rendered it obsolete. Boosters were made in various… …   Wikipedia

  • система «генератор - двигатель» постоянного тока — — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.] Тематики электротехника, основные понятия EN Ward Leonard systemWard Leonard drive system …   Справочник технического переводчика

  • Elektrische Eisenbahnen — (electric railways; chemins de fer électriques; ferrovie elettriche). Inhaltsübersicht: I. Allgemeine Entwicklung und Zukunft des elektrischen Bahnbetriebes. – II. Nutzbarmachung der Wasserkräfte für die Anlage der Stromquellen. – III.… …   Enzyklopädie des Eisenbahnwesens