Korail Electric Locomotive 8200
Encyclopedia
Korail Class 8200 is a South Korean electric locomotive
Electric locomotive
An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or an on-board energy storage device...

 operated by the Korean national railroad operator Korail
Korail
Korea Railroad Corporation , promoted as Korail , is the national railroad operator in South Korea.Korail operates passenger and freight trains throughout South Korea...

. This locomotive has HEP
Head end power
Head end power or electric train supply is a rail transport term for the electrical power distribution system on a passenger train. The power source, usually a locomotive at the front or “head” of a train or a generator car, generates all the electricity used for lighting, electrical and other...

 capabilities in place of an dynamo
Electrical generator
In electricity generation, an electric generator is a device that converts mechanical energy to electrical energy. A generator forces electric charge to flow through an external electrical circuit. It is analogous to a water pump, which causes water to flow...

 car, which could be used with up to 12 passenger cars. The EL 8200 is the successor model of the EL 8100, which was introduced back in 1999.

Technical details

This locomotive is based on the Siemens EuroSprinter
EuroSprinter
The EuroSprinter family of electric locomotives is a modular concept of locomotives for the European market built by Siemens. The internal Siemens product name is ES 64, with ES for EuroSprinter and the number 64 indicating the 6,400 kW power at rail.Additional information is given in the name...

 model ES64F, assembled by Rotem
Rotem
Hyundai Rotem is a South Korean company manufacturing rolling stock, defense products and plant equipment. It is part of the Hyundai Motor Group...

. With four 1300 kW electric motors, the total power output is 5200 kW. The maximum speed is 150 km/h, although changing the bogies would allow 220 km/h.

Running lines

After the introduction of the 8200, Korail made a trial run in Chungbuk Line
Chungbuk Line
The Chungbuk Line is a railway line serving North Chungcheong Province in South Korea. The line connects Jochiwon on the Gyeongbu Line to Bongyang on the Jungang Line, serving the major cities of Cheongju and Chungju en route. Cheongju International Airport is located near the rail...

, which had just been electrified. After electrifying several lines such as Jungang
Jungang Line
The Jungang Line is a railway line connecting Cheongnyangni in Seoul to Gyeongju in South Korea, traversing central South Korea from the northwest to the southeast.-History:...

, Taebaek
Taebaek Line
Taebaek Line is a single-track electrified railway mainline connecting Jecheon Station to Baeksan Station in South Korea. At its two ends, the Taebaek Line connects to the Jungang Line and Yeongdong Line. The line was originally two spur lines, which were built across difficult mountainous terrain...

, Gyeongbu
Gyeongbu Line
The Gyeongbu Line is the most important railway line in South Korea and one of the oldest. It was constructed by Japan in 1905, connecting Seoul to Suwon, Daejeon, Daegu, and Busan. The Gyeongbu Line is by far the most heavily travelled rail line in South Korea...

, Yeongdong
Yeongdong Line
The Yeongdong Line is a line of Korail. It connects Yeongju in North Gyeongsang Province with Gangneung in Gangwon Province. From Yeongju, it crosses the Taebaek Mountains and reaches the Sea of Japan at Donghae, thence proceeding north to Gangneung.At Yeongju, the line connects with the...

 and Honam Line
Honam Line
The Honam Line is a major railway line serving the Honam region in South Korea. The line is served by frequent passenger trains from Seoul to Gwangju and Mokpo.-History:...

, it is used for Mugunghwa
Mugunghwa
Mugunghwa may refer to:*Hibiscus syriacus, the national flower of Korea*Mugunghwa-ho, a class of train...

 trains with maximum speed of 150 km/h.

HEP Issues

The HEP
Head end power
Head end power or electric train supply is a rail transport term for the electrical power distribution system on a passenger train. The power source, usually a locomotive at the front or “head” of a train or a generator car, generates all the electricity used for lighting, electrical and other...

 feature of 8200's has caused some problems in Korea. Power generated by regenerative brake
Regenerative brake
A regenerative brake is an energy recovery mechanism which slows a vehicle or object down by converting its kinetic energy into another form, which can be either used immediately or stored until needed...

 has limits, and if the locomotive has many carriages, the HEP supply will be innsufficient. Because of this problem, a dynamo
Electrical generator
In electricity generation, an electric generator is a device that converts mechanical energy to electrical energy. A generator forces electric charge to flow through an external electrical circuit. It is analogous to a water pump, which causes water to flow...

car is attached when operating with 5 or more passenger cars in case of emergency.

External links

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