Interior of ECOBEE maglev train used in the Incheon Airport Maglev
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| Incheon Airport Maglev | |||
|---|---|---|---|
 | |||
| Overview | |||
| Native name | 인천공항 자기부상열차 （仁川空港 磁氣浮上列車） Incheon Gonghang Jagi Busang Yeolcha | ||
| Status | In operation (free to the public) | ||
| Termini |
| ||
| Stations | 6 | ||
| Service | |||
| Type | Maglev | ||
| Operator(s) | Incheon Transit Corporation, Incheon International Airport Corporation | ||
| History | |||
| Opened | February 3, 2016[1] | ||
| Technical | |||
| Line length | 6.1 km (3.8 mi) | ||
| Track gauge | 1,850 mm (6 ft 27⁄32 in) | ||
| Operating speed | 110 km/h (68 mph) | ||
| Highest elevation | 24.5 m (80 ft) | ||
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| Cdpak567/sandbox | |
| Hangul | |
|---|---|
| Hanja | |
| Revised Romanization | Incheongonghang jagibusangyeolcha |
| McCune–Reischauer | Inch'ŏnkonghang chagipusangyŏlch'a |
The Incheon Airport Maglev[2] is a maglev line in South Korea opened in February 3, 2016. It is the world's second commercially operating unmanned urban maglev line after Japan's Linimo, having a more futuristic design thanks to it being lighter with construction costs cut to half.[3] It is not part of the Seoul Metropolitan Subway but satisfies the legal requirement of a rapid transit.
It links Incheon International Airport to the Yongyu Station and Leisure Complex while crossing Yeongjong island.[4] It offers a transfer to AREXofSeoul Metropolitan SubwayatIncheon International Airport Station and is offered free of charge to anyone to ride, operating between 9am and 6pm every 15 minutes.[5] Operating hours are to be raised in the future.
This maglev line specifically utilizes electromagnetic suspension (EMS) and linear induction motor (LIM) propulsion. [6]
This maglev train is one of the first of commercial maglev trains since the 1980's. Two more stages are planned of 9.7 km and 37.4 km. Once completed it will become a circular line.These lines make up a core project that the Korea Rail Network Authority managed. [6]
| Station number |
Station name | Transfer | Line name | Station distance |
Total distance |
Location | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Romanized | Hangul | Hanja | in km | ||||||||
| M01 | Incheon International Airport | 인천국제공항 | 仁川國際空港 | 
|
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| M02 | Long Term Parking | 장기주차장 | 長期駐車場 | ||||||||
| M03 | Administration Complex | 합동청사 | 合同廳舍 | ||||||||
| M04 | International Business Center | 국제업무단지 | 國際業務團地 | ||||||||
| M05 | Water Park | 워터파크 | 워터파크 | ||||||||
| M06 | Yongyu | 용유 | 龍遊 | ||||||||
The maglev train, nicknamed ECOBEE, was co-developed by the Korea Institute of Machinery and Materials (known as the KIMM which is part of the Korea University of Science and Technology) and Hyundai Rotem.[7][8][9] It is 6.1 kilometres (3.8 mi) long, with six stations and a 110 km/h (68 mph) operating speed.[10]
This train was part of Korea's Urban Maglev Program (UMP) which started in December 2006. This program reached out to prominent companies and organizations in the railway concentrations previously mentioned. The UMP represents Korea's push for R&D in maglev systems in order to engender a magnetic levitation transportation system to replace Korea's current urban transportation means. This program was expected to be the equivalent of $450 million USD. Contributions were made from Incheon International Airport Corp. and the city of Incheon. This train system is the result of a development project started in 1989 within the Korea Institute of Machinery and Materials (KIMM). [6]
Hyundai-Rotem is a South Korean company that manufactures rolling stock. This company is another entity that managed the vehicle development of this maglev train. This company is exporting the same technology for the planned Leningrad MagLev System, potentially the first urban commuter maglev system in Europe. [11][6]
While a magnetic levitation train is capable of performing at extremely high velocities, the setups so far consume more energy than the trains that are being used right now. This setback is one of the barriers that is preventing magnetic levitation trains from being commercialized past the experimental and entry phase. A group of scientists in the Daejeon Metropolitan Express Transit Corporation of South Korea (the corporation that operates the Daejeon Metro) focused on the braking system. [12]
Train systems such as the Incheon Airport Maglev utilize air brakes and electric brakes. However, magnetic levitation trains use regenerative braking and plugging braking as opposed to normal trains using regenerative braking and air braking. Regenerative braking is when the speed of the motor exceeds the synchronous speed. When this happens, the motor changes current flow so that the motor brakes. After this happens, the excess power is translated to power for the motor. Plugging braking is when the supply terminals are switched which is critiqued as a wasteful practice because in order to switch the terminals, an external resistor is implemented as a stopper for the current flow. As a result, a lot of power is squandered. [12]
With the Urban Transit Maglev (now referred to as the "Incheon Airport Maglev") in South Korea as a test model, a study was done on exploring the relationship between the variation of slip frequency and energy efficiency of the regenerative braking. As the slip frequency decreases the limit for the regenerative extinction point. After testing, researchers noticed that this decrease of the frequency led to a decrease in the conversion time of the phase current back into the system. This decreased the required energy to brake and increased the regenerated power. This represents an advance in the direction of designing an energy efficient magnetic levitation train system. [12]
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Italics : Under construction | |||||||||||||||||
Category:Incheon International Airport Category:Magnetic levitation Category:Transport in Incheon Category:Rapid transit in South Korea
