- 1100 class train at Gil Puyat station in November 2006
- A refurbished 1100 class train in June 2021. Note the new controller box under the door that has been supplied by Voith.
LRTA 1100 class | |
---|---|
In service | 1999–present |
Manufacturer | Hyundai Precision [lower-alpha 1] ADtranz [lower-alpha 2] |
Built at | Changwon, South Korea |
Constructed | 1997–1998 |
Entered service | 1999 |
Refurbished | 2019–2020 |
Number built | 28 vehicles (7 sets) |
Number in service | 16 vehicles (4 sets) |
Formation | 4 cars per trainset (Mc–M–M–Mc) [lower-alpha 3] |
Fleet numbers | 1101–1128 |
Capacity | 1,358 passengers [lower-alpha 4] |
Operators | Light Rail Transit Authority (1999–2015) Light Rail Manila Corporation (2015–present) |
Depots | Baclaran |
Lines served | LRT Line 1 |
Specifications | |
Car body construction | Stainless steel |
Train length | 105.7 m (346 ft 9 in) [lower-alpha 5] |
Car length | Driving head cars:26.35 m (86 ft 5 in) Intermediate cars:26.5 m (86 ft 11 in) |
Width | 2.59 m (8 ft 6 in) |
Height | From top of rail:3.74 m (12 ft 3 in) Pantograph locked down:3.95 m (13 ft 0 in) |
Floor height | 920 mm (3 ft 0 in) |
Platform height | 690 mm (2 ft 3 in) |
Entry | Step |
Doors | 4 per side, sliding pocket-type; 1,500 mm × 1,900 mm (4 ft 11 in × 6 ft 3 in) |
Articulated sections | 2 per LRV |
Wheel diameter | New: 660 mm (25.98 in) Worn: 600 mm (23.62 in) |
Wheelbase | Per bogie:2.31 m (7 ft 7 in) Bogie centers:10 m (32 ft 10 in) Total:20 m (65 ft 7 in) |
Maximum speed | 60 km/h (37 mph) |
Weight | Head car:37.4 t (82,000 lb) Intermediate car:36.5 t (80,000 lb) |
Axle load | 10.7 t (24,000 lb) |
Steep gradient | 4% |
Traction system | Adtranz [lower-alpha 6] /Voith [lower-alpha 7] IGBT – VVVF |
Traction motors | 4 × 125 / 170 kW (168 / 228 hp) [lower-alpha 8] 3-phase AC induction motor |
Power output | Original: 500 kW (670 hp) Refurbished: 680 kW (910 hp) |
Acceleration | 1.1 m/s2 (3.61 ft/s2) |
Deceleration | Service: 1.3 m/s2 (4.27 ft/s2) Emergency: 2.08 m/s2 (6.82 ft/s2) |
Auxiliaries | Auxiliary inverter |
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 | Outside-frame type |
Minimum turning radius | 25 m (82 ft 0 in) |
Braking system(s) | Regenerative and pneumatic |
Safety system(s) | ATS (1999–2007) ATP (2007–present) |
Coupling system | Semi-permanent |
Multiple working | Within type |
Seating | Longitudinal |
Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
Notes/references | |
[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] |
The LRTA 1100 class is the second-generation class of high-floor light rail vehicles of the Light Rail Transit Authority (LRTA) in Manila, Philippines, which began operation in 1999. [4] [12]
The LRT Line 1 in Metro Manila reached its capacity in the 1990s. As such, expanding the capacity of Line 1 was needed. Initially, 32 cars with identical specifications to the 1000 class trains were planned to be ordered for the 32 two-car trains operating at the time so that each train would consist of three cars. However, with the increasing transport demand, four-car trains were instead ordered. [13]
On October 18, 1996, Hyundai Precision signed a contract to produce 28 cars (7 sets) for the LRT Line 1. These cars were produced between 1997 and 1998 as its first manufactured light rail vehicle. [4] The capacity extension project was due to traffic congestion and air pollution, which in turn led to an increased demand for public transport in Metro Manila by the LRT Line 1. [14] [15] [16] [17] [18] [13]
The trains were provided by the AML consortium, a consortium consisting of Marubeni Corporation, Adtranz, and ABB. [19]
The capacity expansion project was funded by Japan's official development assistance. [19] The handover ceremony and test-run of the 1100 series LRV was done with former President Joseph Estrada and former Vice-President Gloria Macapagal Arroyo in 1999.[ citation needed ]
The 1100 class are the first 6-axle (3-bogie) light rail vehicles with two articulated cars in the entire rolling stock of the LRT Line 1, as its predecessor, the 1000 class, was built to the 8-axle (4-bogie) design with three sections.
The train car body is made of stainless steel. Each LRV has four sliding pocket-type doors per side. The 1100 class trains are 90 millimeters (3.5 inches) wider than the 1000 class. [1]
Similar to the 1000 class, the 1100 class have cheatlines of blue and yellow that run through its sides. The trains also served as a prototype for future LRVs made by Hyundai Precision, which bears resemblance to the trains used in the Adana Metro and the Istanbul T4 Line.
Each light rail vehicle has two roof-mounted air-conditioning units. In total, there are eight air-conditioning units in a four-car train set. [1]
The trains have longitudinal seating. A wheelchair provision is present near the articulated portion of the intermediate cars.
The bogies are of outside-frame type. Each LRV has three bogies consisting of two motorized bogies at the ends of the LRV and one trailer bogie under the articulation. [20] The primary suspension is a chevron rubber spring, while the secondary suspension is an air suspension, similar to the 1200 class. [5]
Semi-permanent couplers are present in the ends of each light rail vehicle except the driving cab section of the MC car.
The 1100 class trains are the first Line 1 trains to have an IGBT – VVVF traction control system, with each VVVF inverter driving two 3-phase alternating current, enclosed-type induction motors. The original traction motors have a power output of 125 kilowatts (168 horsepower), while the new traction motors installed during the refurbishment period have a power output of 170 kilowatts (230 horsepower). [20]
The original VVVF controller is supplied by ADtranz, while the new VVVF controller installed during the refurbishment period is supplied by Voith. [20]
The traction equipment in a refurbished train has two Voith EmCon I1000-9AU traction inverters with 350 kVA continuous power in each, two auxiliary inverters, and a VPort IO control unit. [20]
The trainset produces a distinct high-pitched acceleration sound that is unique to the Adtranz VVVF controller used, a trait present in the train's derivative models. After the refurbishment, the traction acceleration sound is now identical to the one used in the MRTC 3100 class trains, as its traction controller is manufactured by Voith as well.
Four-car configuration | ||||||||
Car No. | 1 | 2 | 3 | 4 | ||||
---|---|---|---|---|---|---|---|---|
Designation [5] | MC | M | M | MC | ||||
Numbering [21] | 1101A | 1101B | 1102A | 1102B | 1103A | 1103B | 1104B | 1104A |
Seated [5] | 78 | 82 | 82 | 78 | ||||
Standing [5] | 252 | 267 | 267 | 252 | ||||
Total [5] | 330 | 349 | 349 | 330 |
Details of the car designations are listed below:
The 1100 class entered service in 1999, which raised the line's capacity by half [22] from a carrying capacity of 18,000 passengers per hour per direction to 27,000 passengers per hour per direction. [23] After 2001, many vehicles left the service owing to problems in operations and maintenance. [24] Although spare parts had been substantially given in 2004, 14 cars remained out-of-service due to the lack thereof as of 2013, including two cars involved in a collision. [25] [26] [27] Most of the spare parts for the trains, including brake parts, were only procurable from ADtranz. [10] There were attempts to procure spare parts, but these attempts failed. This was affected by the acquisition of ADtranz by Bombardier Transportation in 2001 (later acquired by Alstom in 2021). Furthermore, parts in the 1200 class and the 1100 class only share 20% commonality. [28]
In addition, these trainsets are commonly used as "skip trains" or trains meant to target a particular station due to extremely high volume of passengers, especially during rush hours. However, these trainsets now stop at all stations when Metro Manila was placed under General Community Quarantine in June 2020 (and eventually, the alert level system in September 2021) as a response to the COVID-19 pandemic.
The 1100 class trains normally operate in a 4-car configuration. Under special operating conditions, the trains can operate at a 3-car [29] or 2-car configuration.
A 1100 class trainset was used for the first test run of the LRT Cavite Extension Phase 1 on December 19, 2023. According to the Light Rail Manila Corporation, the 1100 class is the widest in terms of car body, making it the most strategic option to check for initial compatibility of station platforms, walkways, cableways, and others. [30]
Before the rehabilitation of the 1100 class trains, 2 out of the 7 sets remained in service. One of the train units was also involved in a collision as well, causing it to be put out of service due to damaged train body. [2] Rehabilitation was initiated by the Light Rail Manila Corporation in 2018, which aimed to restore the inactive fleet into serviceable conditions and increase the capacity of Line 1. In February 2018, LRMC and Voith signed an agreement to refurbish the said fleet which includes the control devices, traction systems, and automatic diagnostic displays of main circuits. [31] [32] The refurbishment was carried out between 2019 and 2020 and 6 out of 7 sets returned to operation with an extended vehicle life. [20] The remaining unrepaired set is in the Santolan Depot of LRT-2, due to the ongoing expansion of the Line 1 depot.
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