LRTA 1200 class

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LRTA 1200 class
LRT-1 3rd Generation Roosevelt 2023-08-04.jpg
A 1200 class (3rd generation LRV) train at Roosevelt station in August 2023
LRTA 1200 class interior.jpg
Interior of the 1200 class, February 2024
In service2006–present
Manufacturer Kinki Sharyo
Nippon Sharyo
Built at Osaka [lower-alpha 1] /Aichi, [lower-alpha 2] Japan
Constructed2005–2006
Entered serviceDecember 2006;17 years ago (2006-12)
Number built48 vehicles (12 sets)
Number in service44 vehicles (11 sets)
Formation4 cars per trainset (Mc–M–M–Mc)
Fleet numbers1201–1248
Capacity1,388 passengers [lower-alpha 3]
Operators Light Rail Transit Authority (2006–2015)
Light Rail Manila Corporation (2015–present)
Depots Baclaran
Lines served LRT Line 1
Specifications
Car body construction Stainless steel
Train length105.7 m (346 ft 9 in) [lower-alpha 4]
Car length26.35 m (86 ft 5 in) (driving cars)
26.5 m (86 ft 11 in) (intermediate cars)
Width2.59 m (8 ft 6 in)
Height3.91 m (12 ft 10 in)
Floor height920 mm (3 ft 0 in)
Platform height 690 mm (2 ft 3 in)
EntryStep
Doors4 per side, sliding pocket-type; 1,500 mm × 1,900 mm (4 ft 11 in × 6 ft 3 in)
Articulated sections2 per LRV
Wheel diameter660 mm (25.98 in) (new)
600 mm (23.62 in) (worn)
Wheelbase 1.9 m (6 ft 3 in) (bogie)
10 m (32 ft 10 in) (bogie centers)
20 m (65 ft 7 in) (total per LRV)
Maximum speed60 km/h (37.3 mph)
Weight37.4 t (82,453 lb) (driving cars)
36.5 t (80,469 lb) (intermediate cars)
Axle load 10.3 t (22,708 lb)
Steep gradient 4%
Traction system Mitsubishi Electric IGBT–VVVF
Traction motors 4 × Mitsubishi Electric 105 kW (141 hp) 3-phase AC induction motor
Power output420 kW (563 hp)
TransmissionTwo-stage reduction drive
Acceleration 1.1 m/s2 (2.46 mph/s)
Deceleration 1.3 m/s2 (2.91 mph/s)
Auxiliaries440 V AC IGBT static inverter
110 V DC batteries
HVAC Air-conditioned; roof-mounted duct type (2 units per LRV)
Electric system(s) 750 V DC overhead wire
Current collector(s) Single-arm pantograph
UIC classification Bo′+2′+Bo′
Wheels driven 8 out of 12 per LRV
Bogies Inside-frame type
Minimum turning radius 25 m (82 ft 0 in)
Braking system(s) Regenerative and electro-pneumatic (Knorr-Bremse)
Safety system(s) Siemens Mobility ATP (2007–2022)
Alstom Atlas 100 ATP (2022–present)
Coupling system Semi-permanent
Multiple working Within type
SeatingLongitudinal
Track gauge 1,435 mm (4 ft 8+1⁄2 in) standard gauge
Notes/references
[2] [3] [4] [5] [6] [7] [8] [9] [10]

The LRTA 1200 class is the third-generation class of high-floor light rail vehicles (LRV) of the Light Rail Transit Authority servicing the Manila LRT Line 1. Purchased as part of the second phase of the capacity expansion of the line, the trains entered service in December 2006. [10]

Contents

Purchase

Package A of the LRT Line 1 Capacity Expansion Project Phase 2 included the procurement of 48 light rail vehicles (LRV), configurable to 12 four-car sets. In 2005, the joint venture of Sumitomo Corporation and Itochu received the order of 48 LRVs and signed a construction contract with Kinki Sharyo and Nippon Sharyo to manufacture and supply the vehicles. [5] [11] The capacity expansion project was funded by Japan's official development assistance. [12]

Design

The LRV design is a 6-axle rigid body consisting of two articulated cars.

Car body

The car body has a length of 26 meters (85 feet 4 inches) without couplers, a width of 2.59 meters (8 feet 6 inches), and a height of 3.91 meters (12 feet 10 inches). [13] 1200 class LRVs have 4 electronic sliding doors on both sides. [5] The train car body is made of beadless lightweight stainless steel, with composite materials on the indoor panels and aluminum on the inner bone to reduce weight. [5] 1200 class LRVs have 4 electronic sliding doors on both sides. [5]

Each light rail vehicle has two roof-mounted air-conditioning units that has a cooling capacity of 41,000 kilocalories (170,000 kilojoules). In total, there are eight air-conditioning units in a four-car train set. [13]

During the production of the 1200 class trains, a mock-up model was constructed. In December 2005, officials from the Light Rail Transit Authority and the project consultant of the capacity expansion project, Manila Tren Consortium, inspected the mock-up model at the factory of Kinki Sharyo in Osaka. [1] It was then displayed at the line's depot in Baclaran, Pasay, in March 2006. The length of the mock-up model is 14 meters (45 ft 11 in) long, or just 54% of the 26-meter (85 ft 4 in) vehicle length. [14]

Interior

The interior is color-toned based on light and dark two-color green in the seats to complement the landscape of Manila. Seats are made of fiber reinforced plastic and has an aluminum bracket type cantilever longitudinal seat for reducing weight. Seating and grip sticks are designed to have ergonomic dimensions, aside from equipment arrangement inside the cab. [13] A wheelchair-compatible space is provided beside the gangway of the intermediate car, alongside an equipped fire extinguisher. [1]

Mechanical

The bogies are of inside-frame type, similar to the 1000 class. Like all LRT Line 1 rolling stock, the wheel diameter is 660 millimeters (25.98 inches). Each LRV has three bogies consisting of two motorized bogies at the ends of the LRV and one trailer bogie under the articulation. [5] The primary suspension is a chevron rubber spring, while the secondary suspension is an air suspension, similar to the 1100 class. [15]

Semi-permanent couplers are present in the ends of each light rail vehicle except the driving cab section of the MC car.

Electrical

The traction control system is IGBT–VVVF that drives the four main motors of the two carriages. The traction motors are totally enclosed, self ventilated 3-phase AC induction motors with a power output of 105 kilowatts (141 horsepower). The traction equipment is manufactured by Mitsubishi Electric.

The auxiliaries are 440 volt alternating current static inverters and 110 volt direct current batteries. [16]

Brakes

Knorr-Bremse manufactured the brakes of the 1200 class. [6] The resistors are mounted on the roof for backup regenerative brakes. [5] The VVVF controller has an Electronic Command braking device that uses regenerative and electronically controlled pneumatic brakes. [13] Disc brakes are present on the bogies. [16]

Operations

The 3rd-generation trains were inaugurated by former Japanese Prime Minister Shinzo Abe and former President Gloria Macapagal Arroyo on December 9, 2006. [10] The trains raised the line's capacity from 27,000 passengers per hour per direction to 40,000 passengers per hour per direction. [14]

On February 25, 2010, a 1200 class train was used in a test run of the LRT Line 1 North Extension and the MRT Line 3 as part of the MRT-LRT Closing the Loop project that intends to integrate the LRT Line 1 and MRT Line 3 operations, but the integration of operations has not been pursued. [17]

Out of the 12 sets, only 11 sets remain operational, with three light rail vehicles inoperable after a collision as of 2013. [18]

The 1200 class trains operate in a 4-car configuration. However, there are some occurrences of 1200 class trains operating in a 3-car formation.

Special themed trains

In September 2018, a 3G trainset was decorated with a special "Gabay Guro" decoration to celebrate the National Teachers' Month in the Philippines. The decoration has a library-themed look with images of books. The special themed train was launched on September 6, 2018 and ended a year later. [19]

Incidents

Build details (original configurations)

Set No.1234Manufacturer
011201120212031204 Kinki Sharyo
021205120612071208 Kinki Sharyo
031209121012111212 Nippon Sharyo
041213121412151216 Nippon Sharyo
051217121812191220 Kinki Sharyo
061221122212231224 Kinki Sharyo
071225122612271228 Nippon Sharyo
081229123012311232 Nippon Sharyo
091233123412351236 Kinki Sharyo
101237123812391240 Kinki Sharyo
111241124212431244 Nippon Sharyo
121245124612471248 Nippon Sharyo

Notes

  1. ↑ For Kinki Sharyo-manufactured trains [1]
  2. ↑ For Nippon Sharyo-manufactured trains
  3. ↑ Total 4-car capacity. A single car can accommodate 347 passengers each.
  4. ↑ 4-car train length. The length of a three-car train is 79.35 meters (260 feet 4 inches), while the length of a two-car train is 52.7 meters (172 feet 11 inches).

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References

  1. 1 2 3 "Osaka Inspection Tour" (Press release). Light Rail Transit Authority. December 12, 2005. Archived from the original on December 29, 2005. Retrieved February 17, 2022.
  2. ↑ Department of Transportation and Communications; Light Rail Transit Authority (June 4, 2012). MANILA LRT1 EXTENSION, OPERATIONS AND MAINTENANCE PROJECT (PDF). Public-Private Partnership Center (Report). Retrieved April 9, 2018.
  3. ↑ "LRTA LRV". Kinki Sharyo. Archived from the original on July 17, 2011. Retrieved April 9, 2018.
  4. ↑ Kinki Sharyo 2006.
  5. 1 2 3 4 5 6 7 Nippon Sharyo 2007.
  6. 1 2 Knorr-Bremse 2011, p. 11.
  7. ↑ JICA 2013b, p. B-3.
  8. ↑ DOTC & LRTA 2012, p. 61.
  9. ↑ JICA 2013a, p. 12-87.
  10. 1 2 3 "PGMA, Japan PM inaugurate 3G trains" (Press release). Light Rail Transit Authority. December 7, 2006. Archived from the original on July 8, 2008. Retrieved April 21, 2022.
  11. ↑ "ITOCHU Corporation". Japan Overseas Railway System Association. Archived from the original on August 7, 2020. Retrieved November 27, 2021. In the Philippines, we undertook the Manila LRT Line 1 Capacity Expansion 2 as a JV contractor and we supplied rolling stock and railway systems.
  12. ↑ Japan International Cooperation Agency (2012). Ex-Post Evaluation of Japanese ODA Loan Project - LRT Line 1 Capacity Expansion Project (II) (PDF) (Report). Retrieved December 11, 2021.
  13. 1 2 3 4 Kinki Sharyo 2006, p. 2.
  14. 1 2 "3rd Generation LRV Mock Up on Display" (Press release). Light Rail Transit Authority. March 9, 2006. Archived from the original on April 24, 2006. Retrieved November 27, 2021.
  15. ↑ JICA 2013b, p. A-26.
  16. 1 2 DOTC & LRTA 2012, p. 60.
  17. ↑ RTVMalacanang (February 25, 2010). MRT-LRT Closing the Loop Ride. YouTube. Event occurs at 1:37. Retrieved June 8, 2021.
  18. ↑ JICA 2013a, p. 5-2.
  19. ↑ "LOOK: 'Gabay Guro' train offers chance to rediscover joys of reading, learning". ABS-CBN News. September 6, 2018. Retrieved September 5, 2021.
  20. ↑ JICA 2013a, p. 8-8.
  21. ↑ Department of Transportation and Communications (September 14, 2012). "Invitation to Bid - Rehabilitation and Restoration of Light Rail Vehicles (LRVs) Project" (PDF). Archived from the original (PDF) on December 27, 2021. Retrieved January 16, 2022.
  22. ↑ Castro, Doland (February 18, 2011). "2 LRT trains collide". ABS-CBN News. ABS-CBN News and Current Affairs. Archived from the original on May 26, 2020. Retrieved May 26, 2021.
  23. ↑ Tan, Kimberly Jane (April 11, 2011). "LRT Balintawak, Roosevelt stations resume operations". GMA News. GMA News and Public Affairs. Retrieved December 28, 2021.
  24. ↑ Gonzales, Yuji Vincent (May 23, 2015). "2 LRT trains collide due to technical glitch; at least 1 hurt". Philippine Daily Inquirer. Archived from the original on February 4, 2016. Retrieved May 26, 2021.
  25. ↑ Palma, Paola (May 23, 2015). "Minor collision disrupts LRT operation Saturday". CNN Philippines. Archived from the original on January 1, 2016. Retrieved May 26, 2021.

Sources

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