EMU900 series

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EMU900 series
EMU901 at Hsinchu in August 2021
EMU901 at Hsinchu in August 2021
In service2021–present
ManufacturerHyundai Rotem
Built atChangwon, South Korea
Constructed2020–
Entered service4 April 2021 (2021-04-04)
Number under construction37 sets
Number built15 sets
Number in service11 sets
Formation10-car sets
Fleet numbersEMU901–EMU952
Operator(s)Taiwan Railways Administration
Specifications
Width2.89 m (9 ft 6 in)
EntryLow floor
Wheelbase2.3 m (7 ft 7 in)
Maximum speed130 km/h (81 mph)
Traction systemIGBT–VVVF (Toshiba)[1]
Traction motors3-phase AC induction motor (Toshiba)
Transmission19:116 (1:6.105) gear ratio
Acceleration0.7 m/s2 (2.3 ft/s2) (0~50km/h)
0.2 m/s2 (0.66 ft/s2) (0~130km/h)
Electric system(s)25 kV 60 Hz AC (nominal) from overhead catenary
Current collection methodPantograph
UIC classification2'2' + Bo'Bo' + 2'2' + Bo'Bo' + Bo'Bo' + 2'2' + Bo'Bo' + 2'2' + Bo'Bo' + 2'2'
Coupling systemTightlock/Janney
Track gauge1,067 mm (3 ft 6 in)

The EMU900 series is a series of electric multiple unit passenger trains owned by Taiwan Railways Administration (TRA). Manufactured in South Korea by Hyundai Rotem, the trains are used on local services which stop at every station. They entered service on 4 April 2021.

History[]

The EMU900 series were purchased by the TRA as part of an effort to replace its aging rolling stock, specifically the Chu-Kuang and Fu-Hsing services, and to shrink the headway between urban services. In 2017, the Ministry of Transportation and Communications approved an approximately $100 billion NTD plan to replace 990 rail vehicles, or 39.15% of all vehicles, by 2024.[2][3] The plan included 520 electric commuter railcars, 600 intercity railcars (EMU3000 series), 107 diesel locomotives, and 60 electro-diesel railcars. As the only bidder, South Korea's Hyundai Rotem was contracted for building the 520 commuter railcars (52 trainsets) for $25.7 billion NTD.[4] This marks the first contract given to Hyundai Rotem since 1999.[5]

The trains were built in Hyundai Rotem's Changwon plant.[5] The first two trainsets were delivered to the Port of Hualien on 24 October 2020, and began special passenger services between Shulin and Keelung from 1 April 2021, between Shulin and Hualien on April 4-5 as an additional service during the Qingming Festival[6] and eventually on April 6 as an ordinary local train between Keelung and Miaoli.[7] The next shipment of ten trainsets are slated to arrive in August 2021, and Hyundai Rotem plans on delivering all trainsets by 2023.[8]

On 1 June 2021, the first failure occurred to the EMU900 series, caused by abnormal signaling in the power system,[9] temporarily withdrawing the trains from service. They have since gradually returned to service following investigations.

In November 2021 the vehicle attracted controversy due to water leak from air conditioning units,[10] which are a very common problem in this set up with roof mounted AC units. However investigations revealed that the air conditioning units were supplied by a German firm with factories in China, acting as subcontractor to the car builder, which was technically against contract terms because China is not a signatory to the WTO GPA (Government Procurement Agreement).

Design[]

The exterior of the train is designed by MBD Technologies, a French company involved with the design of the TGV. The design is based around the concept of "a smiling welcome".[11] Each train is composed of ten cars, an arrangement never previously used. According to the TRA, the EMU900 series is equipped with train control and management system (TCMS), which provide centralized controls for the doors, air conditioning, and fire safety equipment aboard the train. Additionally, the train's lighting can adjust automatically based on the exterior brightness to conserve electricity. The train's interior features twelve bicycle racks, priority seats for pregnant women, eight wheelchair spaces, and three restrooms.[12][13]

Formations[]

 
←(retrograde) Pingtung, Kaohsiung
Keelung, Hualien (antegrade)→
Car position 1 2 3 4 5 6 7 8 9 10
Pantograph > < <
Car type 50ED9xx 1
(Tc) 		45EM9xx 1
(M) 		45EP9xx 1
(T) 		50EM9xx 2
(M) 		45EM9xx 3
(M) 		45EP9xx 2
(T) 		50EM9xx 4
(M) 		45EP9xx 3
(T) 		45EM9xx 5
(M) 		50ED9xx 2
(Tc)
Electrical equipment SIV VVVF, Rc Mtr, VCB, CP, ACP VVVF, Rc, SIV VVVF, Rc Mtr, VCB, ACP VVVF, Rc, SIV Mtr, VCB, CP, ACP VVVF, Rc SIV
Other features BSicon BICYCLE.svgAiga immigration.svg Restrooms.svg Aiga immigration.svg Wheelchair symbol.svgRestrooms.svg Restrooms.svg BSicon BICYCLE.svg Aiga immigration.svg
Weight (t) 50 45 45 50 45 45 50 45 45 50
Seating capacity 30 44 54 56 48 20
(8 wheelchair spaces) 		56 54 44 30
Numbering 50ED901 1
:
50ED952 1 		45EM901 1
:
45EM952 1 		45EP901 1
:
45EP952 1 		50EM901 2
:
50EM952 2 		45EM901 3
:
45EM952 3 		45EP901 2
:
45EP952 2 		50EM901 4
:
50EM952 4 		45EP901 3
:
45EP952 3 		45EM901 5
:
45EM952 5 		50ED901 2
:
50ED952 2

Key:

  • VVVF: Motor
  • Rc: Rectifier
  • Mtr: Transformer
  • VCB: Vacuum circuit breaker
  • SIV: Static inverter
  • CP: Air compressor (main pump)
  • ACP: Auxiliary air compressor (assisted pump)
  • Aiga immigration.svg: Control cab (1st and 10th cars), crew room (5th car)
  • Restrooms.svg: Toilet
  • Wheelchair symbol.svg: Disabled facilities (wheelchair space and disabled toilet)
  • BSicon BICYCLE.svg: Bike rack

Exterior[]

  • 50ED900 1 (1st car)

  • 45EM900 1 (2nd car)

  • 45EP900 1 (3rd car)

  • 50EM900 2 (4th car)

  • 45EM900 3 (5th car)

  • 45EP900 2 (6th car)

  • 50EM900 4 (7th car)

  • 45EP900 3 (8th car)

  • 45EM900 5 (9th car)

  • 50ED900 2 (10th car)

References[]

  1. ^ "Announcement of an order for traction system electrical equipment for commuter trains for Taiwan Railways Administration". Toshiba. 15 January 2019. Retrieved 2 November 2020.
  2. ^ "台鐵千億購新車 2024年完成車隊更新" (in Chinese). Radio Taiwan International. 16 October 2017. Retrieved 2 November 2020.
  3. ^ 李姿慧 (6 June 2018). "著火莒光號車齡36年 台鐵：2020年起汰換" (in Chinese). Apple Daily. Retrieved 2 November 2020.
  4. ^ 鄭瑋奇 (30 May 2018). "台鐵區間車案完成評選委員會議 預期由韓商得標" (in Chinese). Liberty Times. Retrieved 2 November 2020.
  5. ^ a b "Hyundai Rotem to supply 52 EMUs to Taiwan". Railway Gazette International. 4 June 2018. Retrieved 2 November 2020.
  6. ^ 曹悅華 (7 March 2021). "台鐵最美區間車 4月1日首航" (in Chinese). United Daily News. Retrieved 21 March 2021.
  7. ^ 俞肇福 (1 April 2021). "台鐵最美區間車今啟航 4/6起投入基隆─苗栗疏運" (in Chinese). Liberty Times. Retrieved 5 April 2021.
  8. ^ 張祈 (24 October 2020). "台鐵最美新通勤電聯車抵台 預計2021年春節前上路" (in Chinese). Central News Agency. Retrieved 2 November 2020.
  9. ^ "「最美區間車」上路不到2個月就故障　肇因電力系統訊號回饋異常". 1 June 2021.
  10. ^ "台鐵最美區間車大漏水惹議 作怪空調機竟是「中國貨」". 10 November 2021.
  11. ^ 曹悅華 (26 September 2020). "史上最美區間車將交車！最快明年1月底營運 新功能看過來" (in Chinese). United Daily News. Retrieved 2 November 2020.
  12. ^ "臺鐵局通勤生力軍 EMU900型電聯車將交車" (in Chinese). Yahoo!. 慈善新聞網. 18 October 2020. Retrieved 2 November 2020.
  13. ^ 李姿慧 (20 October 2020). "獨家｜史上最美區間車本周抵台 10節車廂僅3廁所淪憋尿列車" (in Chinese). Apple Daily. Retrieved 2 November 2020.
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