The
SiemensSiemens AG is Europe's largest engineering conglomerate. Siemens' international headquarters are located in Berlin and Munich, Germany. The company is a conglomerate of three main business sectors: Industry, Energy and Healthcare with a total of 15 Divisions.Worldwide, Siemens and its subsidiaries...
-DuewagThe DUEWAG AG was one of Germany's major manufacturers for rail vehicles. The business was sold in 1999 to Siemens transportation.- History :The company was founded in 1898 as Waggonfabrik Uerdingen AG in Uerdingen...
U2 is a
light-railLight rail or light rail transit is a form of urban rail public transportation that generally has a lower capacity and lower speed than heavy rail and metro systems, but higher capacity and higher speed than traditional street-running tram systems...
vehicle. Originally designed for and used by the
Frankfurt U-BahnThe Frankfurt U-Bahn, together with the Frankfurt S-Bahn and the Frankfurt Straßenbahn, is the backbone of the public transport system of Frankfurt, Germany. Its name derives from the German term for underground, Untergrundbahn. The U-Bahn opened in 1968 and now consists of 85 stations on seven...
, the model of car was adopted by light railways in Edmonton, Calgary, and
San DiegoSan Diego , named after Saint Didacus , is the second-largest city in California and the ninth largest city in the United States, located along the Pacific Ocean on the west coast of the United States. The US Census Bureau estimates the city's population at 1,279,329 as of 2008...
during a period in which few purpose-built
tramA tram, tramcar, trolley, trolleycar, or streetcar is a railborne vehicle, of lighter weight and construction than a conventional train, designed for the transport of passengers within, close to, or between villages, towns and/or cities, on tracks running primarily on streets...
s were being manufactured.
The U2's dimensions are 24.284 m by 2.650 m by 3.66 m and can be used in trains of up to six cars. It may be equipped with two
DCDirect current is the undirectional flow of electric charge. Direct current is produced by such sources as batteries, thermocouples, solar cells, and commutator-type electric machines of the dynamo type. Direct current may flow in a conductor such as a wire, but can also be through...
motors for a total power output of 300 kW and a maximum speed of 80
km/hThe kilometre per hour is a unit of speed or velocity, expressing the number of kilometers traveled in one hour...
, or with four
ACIn alternating current the movement of electric charge periodically reverses direction. An electric charge would for instance move forward, then backward, then forward, then backward, over and over again...
motors for an output of 544 kW and speed of 88
km/hThe kilometre per hour is a unit of speed or velocity, expressing the number of kilometers traveled in one hour...
.
Discussion
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The
SiemensSiemens AG is Europe's largest engineering conglomerate. Siemens' international headquarters are located in Berlin and Munich, Germany. The company is a conglomerate of three main business sectors: Industry, Energy and Healthcare with a total of 15 Divisions.Worldwide, Siemens and its subsidiaries...
-DuewagThe DUEWAG AG was one of Germany's major manufacturers for rail vehicles. The business was sold in 1999 to Siemens transportation.- History :The company was founded in 1898 as Waggonfabrik Uerdingen AG in Uerdingen...
U2 is a
light-railLight rail or light rail transit is a form of urban rail public transportation that generally has a lower capacity and lower speed than heavy rail and metro systems, but higher capacity and higher speed than traditional street-running tram systems...
vehicle. Originally designed for and used by the
Frankfurt U-BahnThe Frankfurt U-Bahn, together with the Frankfurt S-Bahn and the Frankfurt Straßenbahn, is the backbone of the public transport system of Frankfurt, Germany. Its name derives from the German term for underground, Untergrundbahn. The U-Bahn opened in 1968 and now consists of 85 stations on seven...
, the model of car was adopted by light railways in Edmonton, Calgary, and
San DiegoSan Diego , named after Saint Didacus , is the second-largest city in California and the ninth largest city in the United States, located along the Pacific Ocean on the west coast of the United States. The US Census Bureau estimates the city's population at 1,279,329 as of 2008...
during a period in which few purpose-built
tramA tram, tramcar, trolley, trolleycar, or streetcar is a railborne vehicle, of lighter weight and construction than a conventional train, designed for the transport of passengers within, close to, or between villages, towns and/or cities, on tracks running primarily on streets...
s were being manufactured.
Technical Details
The U2's dimensions are 24.284 m by 2.650 m by 3.66 m and can be used in trains of up to six cars. It may be equipped with two
DCDirect current is the undirectional flow of electric charge. Direct current is produced by such sources as batteries, thermocouples, solar cells, and commutator-type electric machines of the dynamo type. Direct current may flow in a conductor such as a wire, but can also be through...
motors for a total power output of 300 kW and a maximum speed of 80
km/hThe kilometre per hour is a unit of speed or velocity, expressing the number of kilometers traveled in one hour...
, or with four
ACIn alternating current the movement of electric charge periodically reverses direction. An electric charge would for instance move forward, then backward, then forward, then backward, over and over again...
motors for an output of 544 kW and speed of 88
km/hThe kilometre per hour is a unit of speed or velocity, expressing the number of kilometers traveled in one hour...
. It has a total passenger capacity of 265 passengers.
As the length of a tram train running on shared track is restricted to a maximum of 75 meters in
GermanyGermany , officially the Federal Republic of Germany , is a country in Central Europe. It is bordered to the north by the North Sea, Denmark, and the Baltic Sea; to the east by Poland and the Czech Republic; to the south by Austria and Switzerland; and to the west by France, Luxembourg, Belgium,...
, three U2 cars may be used for a single streetcar.