MRTJ 1000 series

The MRT Jakarta 1000 series Ratangga, known legally as the Series K1 1 18,[lower-alpha 1] are the first rolling stocks to operate in the MRT Jakarta system. Built by Nippon Sharyo under Contract CP108, all sets were built in 2018 and started operation on 24 March 2019.

MRT Jakarta Series K1 1 18
MRT Jakarta 1000 series Ratangga
Set 03 with Jak Lingko logo.
Interior of Set 06.
In service2019–present
ManufacturerNippon Sharyo
Order no.CP 108
Built atToyokawa, Aichi, Japan
Family nameSTRASYA
Constructed2018
Entered service24 March 2019
Number built96 vehicles (16 sets)
Number in service96 vehicles (16 sets)
Formation6-car sets
Tc1-M2'-M1'-M2-M1-Tc2
Fleet numbers01–16
Operator(s)MRT Jakarta
Depot(s)Lebak Bulus
Line(s) servedNorth–South Line
Specifications
Car body constructionStainless steel
Train length118.15 m (387 ft 8 in)
Car length
  • 20,075 mm (65 ft 10.4 in) (Tc)
  • 19.5 m (64 ft 0 in) (M)
Width2.95 m (9 ft 8 in)
Height
  • 3,655 mm (11 ft 11.9 in) (roof)
  • 3,985 mm (13 ft 0.9 in) (top of AC)
  • 3,995 mm (13 ft 1.3 in) (top of folded pantograph)
Floor height1.15 m (3 ft 9 in)
Doors4 per side
Wheel diameter860–820 mm (34–32 in) (new–worn)
Wheelbase2,100 mm (6 ft 11 in)
Maximum speed100 km/h (62 mph)
Traction systemToyo Denki RG6036-A-M IGBT–VVVF[1]
Traction motors16 × Toyo Denki TDK6326-A 126 kW (169 hp) asynchronous 3-phase AC
Power output2,016 kW (2,704 hp)
TransmissionTwin-Disc (TD) Drive; gear ratio: 6.53 : 1 (98 / 15)[1]
Acceleration0.92 m/s2 (3.0 ft/s2)
Deceleration
  • 0.8 m/s2 (2.6 ft/s2) (service)
  • 1 m/s2 (3.3 ft/s2) (emergency)
Electric system(s)1,500 V DC (nominal) from overhead catenary
Current collector(s)Pantograph
UIC classification2′2′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+2′2′
BogiesND-748 (powered), ND-748T (trailer)
Safety system(s)Nippon Signal SPARCS moving block CBTC with subsystems of ATC, ATO under GoA 2 (STO), ATP, ATS, CBI
Coupling systemShibata close-contact
Track gauge1,067 mm (3 ft 6 in)
SeatingLongitudinal
Notes/references
Sourced from [2] except where noted

History

Contract CP 108 for the procurement of rolling stock for the Jakarta MRT was awarded to a consortium led by Sumitomo Corporation, on 3 March 2015.[3] 16 six-car trainsets were ordered at a cost of ¥10.8 billion (Rp. 145 billion).[4] The trains were built in Nippon Sharyo's Toyokawa, Aichi plant.[5]

Specifications

Each car measures approximately 20 m (65 ft 7 in) in length, 2.9 m (9 ft 6 in) in width and 3.9 m (12 ft 10 in) in height, similar dimensions to many Japanese commuter trains.[6] These trains use the CBTC signaling system and are equipped with automatic train operation (ATO) under GoA 2, with drivers operating the doors and driving in case of emergency.[7] Like the KRL Commuterline, the MRT trains are also powered via overhead catenary.[8]

Naming and service

On 10 January 2018, the Governor of Jakarta, Anies Baswedan gave the first batch of MRT Jakarta trainsets the name "Ratangga". The name was derived from the old Javanese word for chariots.[9] It offers a women-only carriage during morning peak hours from 7AM to 9AM and in the afternoon from 5PM to 7PM.[10]

Notes
  1. Classified legally as electric powered-executive-class trains by the Ministry of Transportation, hence the K1. This number is also used for the second-batch trains for the Soekarno–Hatta Airport Skytrain.

References
  1. "Electrical equipment of Jakarta Mass Rapid Transit (MRTJ)" (PDF) (in Japanese and English). Toyo Denki. 2019. Archived from the original (PDF) on 3 April 2023. Retrieved 11 February 2023.
  2. "ジャカルタ都市高速鉄道南北線向け電車" (in Japanese). Nippon Sharyo. Retrieved 11 February 2023.
  3. "Kontrak Rolling Stock Proyek MRT Jakarta Ditandatangani" (PDF) (Press release) (in Indonesian). PT MRT Jakarta. 3 March 2015. Archived from the original (PDF) on 16 March 2015.
  4. Ady Sukarno, Puput (3 March 2015). "PROYEK MRT JAKARTA: Sumitomo Corporation Menangkan Tender Kereta Listrik". Bisnis.com. Retrieved 23 July 2020.
  5. Riana, Friski (11 December 2017). "Melihat Kereta MRT Jakarta Diproduksi: Tak Lagi Mirip Jangkrik". Tempo (in Indonesian). Retrieved 4 April 2019.
  6. "Kereta MRT Jakarta: Untuk Kenyamanan Mobilitas Penumpang". MRT Jakarta (in Indonesian). 16 January 2018. Archived from the original on 20 September 2020. Retrieved 4 April 2019.
  7. "CBTC: Untuk Keamanan, Kenyamanan, dan Keandalan MRT Jakarta". MRT Jakarta (in Indonesian). 3 December 2017. Retrieved 4 April 2019.
  8. "MRT Jakarta to be fully operational in 2024". Investor Daily. PwC. 2 July 2018.
  9. Farozy, Iko Haidar (10 December 2018). "Nama Kereta MRT Jakarta Diresmikan Gubernur DKI". Railway Enthusiast Digest. Retrieved 10 December 2018.
  10. "MRT Sediakan Satu Kabin Kereta Khusus Penumpang Wanita di Jam-jam Sibuk". Tribunnews.com (in Indonesian). 13 March 2019. Retrieved 4 April 2019.
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