Chichibu Railway Class DeKi 500

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Chichibu Railway Class DeKi 500
Chichibu railway deki507 20110606.jpg
DeKi 507 on a limestone working in June 2011
Type and origin
Power type Electric
Builder Hitachi
Build date 1973-1980
Total produced 7
Specifications
Configuration:
​
 •  UIC Bo-Bo
Gauge 1,067 mm (3 ft 6 in)
Loco weight 50 t
Electric system/s 1,500 V DC
Current pickup(s) overhead wire
Performance figures
Power output 920 kW
Career
Operators Chichibu Railway
Number in class 7 (as of 1 April 2016)
Numbers DeKi 501–507
Locale Saitama Prefecture
Disposition Operational

The Chichibu Railway Class DeKi 500(秩父鉄道デキ500形) is a Bo-Bo wheel arrangement DC electric locomotive type operated by the private railway operator Chichibu Railway in Saitama Prefecture, Japan, primarily on freight services, since 1973. [1]

B-B and Bo-Bo are the Association of American Railroads (AAR) and British classifications of wheel arrangement for railway locomotives with four axles in two individual bogies. They are equivalent to the B′B′ and Bo′Bo′ classifications in the UIC system. The arrangement of two, two-axled, bogies is a common wheel arrangement for modern electric and diesel locomotives.

In rail transport, a wheel arrangement or wheel configuration is a system of classifying the way in which wheels are distributed under a locomotive. Several notations exist to describe the wheel assemblies of a locomotive by type, position, and connections, with the adopted notations varying by country. Within a given country, different notations may also be employed for different kinds of locomotives, such as steam, electric, and diesel powered.

Direct current Unidirectional flow of electric charge

Direct current (DC) is the unidirectional flow of electric charge. A battery is a good example of a DC power supply. Direct current may flow in a conductor such as a wire, but can also flow through semiconductors, insulators, or even through a vacuum as in electron or ion beams. The electric current flows in a constant direction, distinguishing it from alternating current (AC). A term formerly used for this type of current was galvanic current.

Contents

As of 1 April 2016, all of the original seven locomotives are in operation. [2]

History

The first two locomotives, DeKi 501 and 502, were built in 1973, based on the earlier Class DeKi 300 design. [1] These locomotives were finished in then-standard blue Chichibu Railway livery from new, as opposed to the brown livery initially carried by earlier classes. [1] Locomotives DeKi 503 and 504 were delivered in March 1979 ahead of the opening of the Mikajiru Freight Line in October of the same year. [1] These locomotives had larger cab end windows and sunvisors above the cab windows. [1] The last three locomotives of the class, DeKi 505 to 507 were delivered in 1980. [1] DeKi 507 is unique among the class in being privately owned by Taiheiyo Cement, and its introduction in 1980 allowed the similarly privately owned DeKi 101 to be transferred to Chichibu Railway ownership. [1]

Chichibu Railway Class DeKi 300 Class of 3 Japanese electric locomotives

The Chichibu Railway Class DeKi 300 (秩父鉄道デキ300形) is a Bo-Bo wheel arrangement DC electric locomotive type operated by the private railway operator Chichibu Railway in Saitama Prefecture, Japan, primarily on freight services, since 1967.

Taiheiyo Cement company

Taiheiyo Cement Corporation is a Japanese cement company. It was formed in 1998 with the merger of Chichibu Onoda and Nihon Cement.

Chichibu Railway Class DeKi 100 Class of 8 Japanese electric locomotives

The Chichibu Railway Class DeKi 100 (秩父鉄道デキ100形) is a Bo-Bo wheel arrangement DC electric locomotive type operated by the private railway operator Chichibu Railway in Saitama Prefecture, Japan, primarily on freight services, since 1951.

Fleet details

NumberManufacturerYear builtYear withdrawnNotes
DeKi 501 Hitachi 1973
DeKi 502Hitachi1973
DeKi 503Hitachi1979
DeKi 504Hitachi1979
DeKi 505Hitachi1980Repainted into brown livery in May 2010
DeKi 506Hitachi1980
DeKi 507Hitachi1980Privately owned by Taiheiyo Cement

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References

  1. 1 2 3 4 5 6 7 ELダイヤ情報21[Electric Loco Timetable Information 21]. Tokyo, Japan: Kotsu Shimbunsha. October 2012. p. 75. ISBN   978-4330320120.
  2. ↑ 私鉄車両編成表 2016私鉄車両編成表 2016[Private Railway Rolling Stock Formations - 2016] (in Japanese). Japan: Kotsu Shimbunsha. 25 July 2016. p. 17. ISBN   978-4-330-70116-5.
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