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The Ultra Low Floor tram (ULF) is a
In contrast to other low-floor trams, the floor in the interior of ULF is at sidewalk height (about above the road surface), which makes access to trams easy for passengers in wheelchairs or with baby carriages. This configuration required a new undercarriage. The axles had to be replaced by a complex electronic steering of the
ULF Dachausruestung.jpg, Electronic and engine parts on the head of two ULF
Wien-wvb-sgpelin-versuchswagen-quellenstrasse--795290.jpg, Trial unit of a ULF in Vienna, 1994
9 Johann-Nepomuk-Berger-Platz.jpg, Short version (Type A) of first-generation ULF in Vienna
25 Kagran U.jpg, Long version (Type B) of the second-generation ULF in Vienna
62 Oskar-Straus-Park.jpg, Short version (Type A1) of the second-generation ULF in Vienna
Straßenbahn-Endstation mit Verwaltungs- und Wohnbauten (52540) IMG 1149.jpg, Long version (Type B1) of the second-generation ULF in Vienna
Siemens ULF 51, tram line 3R, Oradea, 2010.jpg, ULF (A1)
Railway Gazette
Siemens ULF technical overview
*
* {{in lang, de}
Tram vehicles of Austria Siemens tram vehicles Tram vehicles of Romania
The Ultra Low Floor tram (ULF) is a low-floor tram
A low-floor tram is a tram that has no stairsteps between one or more entrances and part or all of the passenger cabin. The low-floor design improves the accessibility of the tram for the public, and also may provide larger windows and more airspac ...
operating in Vienna
en, Viennese
, iso_code = AT-9
, registration_plate = W
, postal_code_type = Postal code
, postal_code =
, timezone = CET
, utc_offset = +1
, timezone_DST ...
, Austria
Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...
, and Oradea
Oradea (, , ; german: Großwardein ; hu, Nagyvárad ) is a city in Romania, located in Crișana, a sub-region of Transylvania. The seat of Bihor County, Oradea is one of the most important economic, social and cultural centers in the western par ...
, Romania
Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...
, built by a consortium composed of Siemens
Siemens AG ( ) is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe headquartered in Munich with branch offices abroad.
The principal divisions of the corporation are ''Industry'', ''E ...
and ELIN in Vienna. It has the lowest floor-height of any such vehicle.
Overview
In contrast to other low-floor trams, the floor in the interior of ULF is at sidewalk height (about above the road surface), which makes access to trams easy for passengers in wheelchairs or with baby carriages. This configuration required a new undercarriage. The axles had to be replaced by a complex electronic steering of the traction motor
A traction motor is an electric motor used for propulsion of a vehicle, such as locomotives, electric or hydrogen vehicles, elevators or electric multiple unit.
Traction motors are used in electrically powered rail vehicles ( electric multip ...
s. Auxiliary devices are installed largely under the car's roof.
The ULF technology went into testing in the early 1990s. Since 1998, ULFs have been in use on Vienna's tram network. As of mid-2008, 302 cars were in operation (150 cars since mid-2006, and another 152 as of 2007).
Siemens ULF trams were introduced in Oradea
Oradea (, , ; german: Großwardein ; hu, Nagyvárad ) is a city in Romania, located in Crișana, a sub-region of Transylvania. The seat of Bihor County, Oradea is one of the most important economic, social and cultural centers in the western par ...
, Romania
Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...
, on 24 April 2008, and are the only ULF trams outside Austria.
Technical specifications
Gallery
Oradea
Oradea (, , ; german: Großwardein ; hu, Nagyvárad ) is a city in Romania, located in Crișana, a sub-region of Transylvania. The seat of Bihor County, Oradea is one of the most important economic, social and cultural centers in the western par ...
(2010)
Innenraum ULF B.JPG, Interior of a first-generation ULF
Innenraum Typ A1.JPG, Interior of a second-generation ULF
See also
*Trams in Vienna
Trams in Vienna (german: Wiener Straßenbahn, in everyday speech also ''Bim'' or ''Tramway'') are a vital part of the public transport system in Vienna, capital city of Austria. In operation since 1865, with the completion of a 2 km route ...
* Trams in Oradea
References
External links
Railway Gazette
Siemens ULF technical overview
*
* {{in lang, de}
Tram vehicles of Austria Siemens tram vehicles Tram vehicles of Romania