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Kawasaki Heavy Industries & Nippon Sharyo C751B
Class of electric multiple units in Singapore / From Wikipedia, the free encyclopedia
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The Kawasaki Heavy Industries & Nippon Sharyo (KNS) C751B is the third generation electric multiple unit rolling stock in operation on the North–South and East–West lines of Singapore's Mass Rapid Transit (MRT) system since early 2000, manufactured by Kawasaki Heavy Industries & Nippon Sharyo (KNS) under Contract 751B.[5] 21 trainsets of 6 cars each were purchased at S$231 million, and it is the first rolling stock to feature VVVF insulated-gate bipolar transistor traction control system. Kawasaki manufactured 66 cars and Nippon Sharyo manufactured 60 cars respectively with no comparable differences, having been built to agreed specifications. These trains are the third generation of rolling stock to be used on the two lines.
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Kawasaki Heavy Industries & Nippon Sharyo (KNS) C751B
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![]() A C751B trainset at Eunos. | |
Interior of a C751B motor compartment. | |
In service | 8 May 2000; 24 years ago (2000-05-08) – Present |
Manufacturer | Kawasaki and Nippon Sharyo |
Designer | GK Industrial Design[1] |
Built at | Kobe, Hyogo (Kawasaki) and Toyokawa, Aichi (Nippon Sharyo), Japan |
Constructed | 1999 – 2001 |
Entered service | 2000 |
Number built | 126 Vehicles (21 Sets) |
Number in service | 30 Vehicles (5 Sets) |
Successor | Alstom Movia R151 |
Formation | 6 per trainset DT–M1–M2+M2–M1–DT |
Fleet numbers | 311/312 – 351/352 |
Capacity | 1920 passengers (276/288 seats) |
Operators | SMRT Trains (SMRT Corporation) |
Depots | |
Lines served | |
Specifications | |
Car body construction | Aluminium-alloy double-skinned construction |
Train length | 138.86 m (455 ft 6+7⁄8 in) |
Car length |
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Width | 3.2 m (10 ft 6 in) |
Height | 3.7 m (12 ft 1+5⁄8 in) |
Doors | 1,450 mm (57+1⁄8 in), 8 per car, 4 per side |
Maximum speed |
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Weight |
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Traction system | Fuji Electric IGBT–VVVF (output 415 kVA) |
Traction motors | 16 × Fuji Electric MLR109 140 kW (188 hp) self-ventilated 3-phase AC induction motor 550V 193A 1760 r/min |
Power output | 2.24 MW (3,004 hp) |
Transmission | Westinghouse-Natal (WN) Drive |
Acceleration | 1 m/s2 (3.3 ft/s2) |
Deceleration | 1.3 m/s2 (4.3 ft/s2) (service) |
Auxiliaries | Fuji Electric auxiliary inverter with battery charger 80 kVA + 16 kW |
Electric system(s) | 750 V DC third rail |
Current collector(s) | Collector shoe |
UIC classification | 2′2′+Bo′Bo′+Bo′Bo′+Bo′Bo′+Bo′Bo′+2′2′ |
Bogies | Bolsterless Air Spring (Monolink Axlebox Type) |
Braking system(s) | Regenerative and electro-pneumatic |
Safety system(s) | |
Coupling system | Scharfenberg coupler |
Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |