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|birth_date = {{birth date|df=yes|1827|4|27}}
|birth_date = {{birth date|df=yes|1827|4|27}}
|birth_place = [[Amay|Jehay-Bodegnée]], [[Belgium]]
|birth_place = [[Amay|Jehay-Bodegnée]], [[Belgium]]
|death_date = {{dda|df=yes|1901|1|20|1827|4|27}}
|death_date = {{dda|df=yes|1901|1|20|1826|4|27}}
|death_place = [[Bois-Colombes]], [[France]]
|death_place = [[Bois-Colombes]], [[France]]
|death_cause =
|death_cause =
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| ALTERNATIVE NAMES =
| ALTERNATIVE NAMES =
| SHORT DESCRIPTION = electrical engineer
| SHORT DESCRIPTION = electrical engineer
| DATE OF BIRTH = 27 April 1827
| DATE OF BIRTH = 27 April 1826
| PLACE OF BIRTH = [[Amay|Jehay-Bodegnée]], [[Belgium]]
| PLACE OF BIRTH = [[Amay|Jehay-Bodegnée]], [[Belgium]]
| DATE OF DEATH = 20 January 1901
| DATE OF DEATH = 20 January 1901

Revision as of 11:51, 12 March 2012

Zénobe Gramme
Zénobe Gramme
Born(1827-04-27)27 April 1827
Died20 January 1901(1901-01-20) (aged 74)
Resting placePère Lachaise cemetery
NationalityBelgian
Occupationelectrical engineer
Known forGramme dynamo
Zénobe Gramme, by Mathurin Moreau

Zénobe Théophile Gramme (4 April 1826, Amay - 20 January 1901) was a Belgian electrical engineer. 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.

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.

Gramme died at Bois-Colombes, France and was buried in the Père Lachaise cemetery.

In the city of Liège there is a High School, L'Institut Gramme, named after him.

In 2005 he ended at 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.

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