Zénobe Gramme: Difference between revisions
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'''Zénobe Théophile Gramme''' was a [[Belgium|Belgian]] [[electrical engineer]]. He was born at [[Jehay-Bodegnée]] on 4 April 1826, the sixth child of Mathieu-Joseph Gramme,<ref>http://www.hyperpaysagedejehay.be/zenobe2.htm</ref> and died at [[Bois-Colombes]] on 20 January 1901. He invented the [[Gramme machine]], a type of [[direct current]] [[dynamo]] capable of generating smoother (less [[Alternating current|AC]]) and much higher voltages than the dynamos known to that point.<ref>{{cite web|url=http://www.invent.org/hall_of_fame/270.html |title=Invent Now | Hall of Fame | Search | Inventor Profile |publisher=Invent.org |date= |accessdate=2012-09-20}}</ref> |
'''Zénobe Théophile Gramme''' was a [[Belgium|Belgian]] [[electrical engineer]]. He was born at [[Jehay-Bodegnée]] on 4 April 1826, the sixth child of Mathieu-Joseph Gramme,<ref>http://www.hyperpaysagedejehay.be/zenobe2.htm</ref> and died at [[Bois-Colombes]] on 20 January 1901. He invented the [[Gramme machine]], a type of [[direct current]] [[dynamo]] capable of generating smoother (less [[Alternating current|AC]]) and much higher voltages than the dynamos known to that point.<ref>{{cite web|url=http://www.invent.org/hall_of_fame/270.html |title=Invent Now | Hall of Fame | Search | Inventor Profile |publisher=Invent.org |date= |accessdate=2012-09-20}}</ref> |
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In 2005 he ended at the 23rd place in the election of ''[[Le plus grand Belge]]'' (The Greatest Belgian), the television show broadcast by the [[French (language)|French]]-speaking [[RTBF]] and based on the [[BBC]] show [[100 Greatest Britons]]. |
In 2005 he ended at the 23rd place in the election of ''[[Le plus grand Belge]]'' (The Greatest Belgian), the television show broadcast by the [[French (language)|French]]-speaking [[RTBF]] and based on the [[BBC]] show [[100 Greatest Britons]]. |
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==Picture gallery== |
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File:GrammeMachine.jpg|Gramme machine |
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== References == |
== References == |
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{{commons|Zénobe Gramme}} |
{{commons|Zénobe Gramme}} |
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Revision as of 19:51, 12 March 2014
 | This article needs additional citations for verification. (September 2012) |
Zénobe Gramme | |
|---|---|
 Zénobe Gramme | |
| Born | 27 April 1827 Jehay-Bodegnée, Belgium |
| Died | 20 January 1901 (aged 74) Bois-Colombes, France |
| Resting place | Père Lachaise Cemetery |
| Nationality | Belgian |
| Occupation | electrical engineer |
| Known for | Gramme dynamo |
Zénobe Théophile Gramme was a Belgian electrical engineer. He was born at Jehay-Bodegnée on 4 April 1826, the sixth child of Mathieu-Joseph Gramme,[1] and died at Bois-Colombes on 20 January 1901. He invented the Gramme machine, a type of direct current dynamo capable of generating smoother (less AC) and much higher voltages than the dynamos known to that point.[2]
Gramme machine as motor
In 1873 he and Hippolyte Fontaine accidentally discovered that the device was reversible and would spin when connected to any DC power supply. The Gramme machine was the first usefully powerful electrical motor that was successful industrially. Before Gramme's inventions, electric motors attained only low power and were mainly used as toys or laboratory curiosities. In 1875, Nikola Tesla observed a Gramme machine at the Graz University of Technology. He conceived the idea of using it for alternating current but was unable to develop the idea at this time.[3]
Death and tributes
Gramme died at Bois-Colombes, France and was buried in Père Lachaise Cemetery.
In the city of Liège there is a High School, L'Institut Gramme, named after him.
In 2005 he ended at the 23rd place in the election of Le plus grand Belge (The Greatest Belgian), the television show broadcast by the French-speaking RTBF and based on the BBC show 100 Greatest Britons.
Picture gallery
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Zénobe Gramme, by Mathurin Moreau -
Gramme machine
References
- ^ http://www.hyperpaysagedejehay.be/zenobe2.htm
- ^ "Invent Now | Hall of Fame | Search | Inventor Profile". Invent.org. Retrieved 20 September 2012.
- ^ http://www.fi.edu/learn/case-files/tesla/seeds.html
External links
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