Indian locomotive class WAP-5

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The Indian locomotive class WAP-5 is a class of electric locomotives used by Indian Railways. The first ten locomotives were imported from Adtranz in Switzerland in 1995 and later manufactured by Chittaranjan Locomotive Works in India. On 3 July 2014, a WAP-5 set an Indian speed record by hauling a train between Delhi and Agra at a speed of Template:Convert.[1] The locomotive has regenerative braking, flexible gear coupling, wheel-mounted disc brakes, and a potential for speed enhancement to Template:Convert. Braking systems include Template:Convert regenerative brakes, disc brakes, automatic train air brakes and a charged spring parking brake.

Locomotive sheds

Last updated:- June 2025[2]

Zone Shed Shed Code Quantity Introduction Year
Central Railway Kalyan KYNE 6 2025
Eastern Railway Howrah HWHE 40 2019
Northern Railway Ghaziabad GZBE 133 1997
Southern Railway Royapuram RPME 4 2025
Western Railway Vadodara BRCE 66 2011
Total 249

Variants

File:Aerodynamic Ghaziabad WAP-5 30164 with Rupashi Bangla Express.jpg
Aerodynamic Ghaziabad WAP-5 30164 hauling the Rupashi Bangla Express

In October 2015, a WAP-5A locomotive (no. 30086) was rolled-out with a gear ratio of 59:35:19 capable of speeds up to Template:Convert for trial runs. In March 2018, a WAP-5 locomotive (no. 30136) with an enhanced power output of Template:Convert was released which was later adopted as a standard based on successful trials. Some locomotives of this class are equipped with "Head On Generation" (HOG) in which electric power from the locomotive's pantograph is transferred to the coaches instead of End Of Generation where a power car equipped with diesel generator is provided at either end of the train rake to supply power.[3][4][5] The first WAP-5 locomotive (no. 30140) with HOG was rolled by CLW in June 2018.Script error: No such module "Unsubst".

File:One of the Tejas WAP-5s with Kochuveli-Indore Weekly Express.jpg
One of the Tejas WAP-5s hauling the Thiruvananthapuram North-Indore Weekly Express

In October 2020, two WAP-5 locomotives (no. 35012 and 35013) were given an asymmetric body design with an aerodynamic profile for one cab and a blunt profile for another cab at the opposite end, which is intended to be semi-permanently coupled with a train in a push-pull configuration for Tejas Express services. The two locomotives have a power output of Template:Convert and will have a maximum speed of Template:Convert.[6] Two modified WAP-5 locomotives (35027 and 35028) are used to haul the Amrit Bharat Express in a similar push-pull configuration.[7][8]

File:Amrit Bharat trainset.jpg
Amrit Bharat WAP-5

Technical specifications

A 24 coach (1430 t) passenger rake can be accelerated to 110 km/h in 312.1 seconds (over 6 Km), to 120 km/h in 402sec (6.9km); and to 130km/h in 556 sec (14.2km) by a WAP5.[9][10] Specifications are as follows:[11]

Technical specifications
General Information
Gauge Broad gauge Template:Convert
Line voltage 25000 V
Type of current Alternating Current (AC)
Axle load Template:Convert
AAR classification Bo-Bo
Length over head-stocks Template:Convert
Length over buffers Template:Convert
Bogie wheel base Template:Convert
Wheel base Template:Convert
Body width Template:Convert
Cab length Template:Convert
Pantograph locked down height Template:Convert
Bogie center distance Template:Convert
Height over pantograph Template:Convert
Body width Template:Convert
Coupling Central Buffer Couplers (CBC)
Surface corrugated or plain
Traction motors
Type 6FXA 7059 3-phase asynchronous motors, Template:Convert, 2180 V, 370 A continuous, 396 A for 1 hr, 540 A max, 1585 rpm continuous, 3174 rpm max, Weight 1990 kg. Forced-air ventilation, partly suspended. Torque 6930/10000 N-m. 96% efficiency.
Make ABB
Traction motors insulation Class 200
Traction Motor's Short Time Overload Rating 1150 kW, 1540 V, 540 A, 1107 rpm
Traction Motor's 1 hour rating 1150 kW, 2044 V, 396 A, 1485 rpm
Traction Motor's Continuous Rating 1150 kW, 2180 V, 370 A, 1585 rpm
Number of Traction Motors 4
Gear Ratio 67:35:17 (Template:Convert)
59:35:19 (Template:Convert)
Transformer
Type ABB LOT-7500/LOT-7775: {7475 kVA/7775 kVA, 25 kV, 299A-primary/311A}-primary, {4x1269 V, 4x1450 kVA, 4x1142 A}-secondary, {1000 V, 334 kVA, 334 A}-Auxiliary, {960 V, 2x622.5 kVA, 2x648 A}- Hotel Load and {1154 V, 400 kVA, 347 A}-Filter
Transformer Insulation Class A
Make ABB, HI VOLT, BHEL
Weight 10000 +/-3% kg
Power Converter
Number of converters 2
Semiconductors GTO thyristors / IGBT
GTO

Type : UW-2423-2810
SG 3000G X H24 GTO thyristors (D 921S45 T diodes), 14 thyristors per unit (two units). Line converter rated at 2 x 1269 V @ 50 Hz, with DC link voltage of 2800 V. Drive converter rated at 2180 V phase to phase, 953 A output current *per phase, motor frequency from 0 to 160.3 Hz.

IGBT IGBT type 5SNA 1200G450300

2105 kW, individual axle control configuration, MITRAC software, water cooled. Newer locomotives have IGBT based propulsion system.

Hotel Load Converter
Make BHEL / ABB
Rating 2x500 kVA
Voltage 750 V +/- 5%, 3 phase
Bogie
Type Bo-Bo Henschel Flexifloat bogies with quill drive.

Bogie center distance Template:Convert; bogie wheelbase Template:Convert

  • Unsprung mass per axle: 2.691 t
  • This Locomotive has a Fully Suspended Drive.
Drive Arrangement Gear coupling and 3-stage gears
Design 2-axle fabricated
Primary suspension coil
Secondary suspension coil
Pantograph
Type Two Stone India (Calcutta) AM-92, Two WBL-85, Two Schunk for the imported locomotives.
Pantograph Weight 231 kg
Other information
2 FLAKT ABB Traction Motor Blowers 3.6 cubic meter per sec
Landert Traction Motor Blower Motor 3 phase, 415 V, 50 Hz, 2930 rpm, 25 kW
200L55-RFXH2A-01 Traction Motor Blower Motor Insulation Class F
2 Oil Cooler Blowers 8.8 cubic meter per sec
Landert Oil Cooler Blower Motor 3 phase, 415 V, 50 Hz,2930 rpm, 25 kW
200L55-RH2A Oil Cooler Blower Motor Insulation Class F
2 Howden Safanco Scavenge Blowers for Traction Motors and Oil Cooler Blower 0.664 cubic meter per sec
Landert Scavenge Blower Motor for Traction Motors and Oil Cooler 3 phase, 415 V, 50 Hz, 2850 rpm, 3 kW
100L28-R2C Scavenge Motor Blower Motor Insulation Class H
2 Transformer Oil Pumps by Plumeliaz 1000 liters per minute
Landert Transformer Oil Pump Motor 3-phase, 415 V, 50 Hz, 2850 rpm, 4.7 kW
112M-2B type Transformer Oil Pump Motor Insulation Class F
2 Converter Oil Pumps by Plumeliaz 960 liters per minute
Converter Oil Pump Motor by Landert 3-phase, 415 V, 50 Hz, 2860 rpm, 11 kW
112M-2F type Converter Oil Pump Motor Insulation Class F
2 Main Compressors by D&M 1 kg/cm2
Main Compressor Motor by Landert 3-phase, 415 V, 50 Hz, 730 rpm, 15 kW
200155-RPAH8B Main Compressor Motor Insulation Class H
2 Machine Room Blower by Flakt and ABB 1 cubic meter per sec.
Machine Room Blower Motor by Landert 1-phase, 415 V, 50 Hz, 2830 rpm, 2.6 kW
132M-RFXHE2C type Machine Room Blower Motor Insulation Class F
Scavenge Blower for Machine Room Blower by Howden Safanco 0.1 cubic meter per sec.
Scavenge Blower Motor for Machine Room Blower by Landert 1-phase, 415 V, 50 Hz, 2910 rpm, 0.75 kW
9DL24-RE2C type Scavenge Blower Motor for Machine Room Blower Insulation Class F
Auxiliary Compressor by D&M and Bristol 141.6 ft per min., 7.03 kg per cm2.
Auxiliary Compressor Motor by D&M 110 VDC, 1450 rpm, 75 kW
Battery by Saft Nife 110 V, 199 AH, NiCd (SAF-39 SBL199)

Performance

The WAP-5 (5440 HP) has the following capacity for ICF coaches in tonnes:

Gradient Start 40 km/h 50 km/h 60 km/h 70 km/h 80 km/h 90 km/h 100 km/h 110 km/h 120 km/h 130 km/h 140 km/h 150 km/h 160 km/h
Level 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1470 1230
1 in 500 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1470 1250 1065 910
1 in 200 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1350 1160 995 860 745 645
1 in 150 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1500+ 1310 1125 970 840 730 635 550
1 in 100 1500+ 1500+ 1500+ 1500+ 1460 1325 1125 970 840 730 635 555 480 420
1 in 50 1010 955 940 865 780 710 610 525 455 400 345 305 265 230

The average weight of an ICF coach is 55 tonnes.

See also

References

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External links

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Template:Broad gauge locomotives of India

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