Indian locomotive class WAP-5

Indian locomotive class WAP-5 is a class of electric locomotives used by Indian Railways. The first ten locomotives were imported from ABB 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 160 km/h (99 mph). The locomotive has regenerative braking, flexible gear coupling, wheel-mounted disc brakes, and a potential for speed enhancement to 200 km/h (120 mph). Braking systems include 160 kN (36,000 lbf) regenerative brakes, disc brakes, automatic train air brakes and a charged spring parking brake.

WAP-5
Ghaziabad based WAP-5 rest at Bhopal Jn.
Type and origin
Power typeElectric
BuilderChittaranjan Locomotive Works (India)
ABB (Switzerland)
ModelLok 2000
Build date1995–present
Total produced243 as of April 2024
Specifications
Configuration:
  UICBo'Bo'
Gauge5 ft 6 in (1,676 mm)
BogiesHenschel Flexifloat
Wheel diameterNew: 1,092 mm (3 ft 7 in)
Half-worn: 1,054 mm (3 ft 5+12 in)
Full-worn: 1,016 mm (3 ft 4 in)
Wheelbase13,000 mm (42 ft 8 in)
Length18,162 mm (59 ft 7 in)
Width3,142 mm (10 ft 3+34 in)
Height4,237 mm (13 ft 11 in)
Axle load19.5 tonnes (19.2 long tons; 21.5 short tons)
Loco weight78 tonnes (77 long tons; 86 short tons)
Electric system/s25 kV 50 Hz AC Overhead
Current pickup(s)pantograph
Traction motors4 ABB Group 6FXA 7059
Gear ratio67:35:17 (160 km/h)
59:35:19 (180 km/h)
MU working2
Loco brakeAir and Regenerative
Train brakesAir
Safety systemsTPWS (Train Protection and Warning System), Vigilance Control, Slip/Slide Control, Main Overload Relay, No Volt Relay, Over Voltage Protection and Earth Fault Relay
Performance figures
Maximum speedOperational : 160 km/h (99 mph)
Trials: 184 km/h (114 mph)
WAP5A: 200 km/h (124 mph)
Power output6,000 hp (4,474 kW)
Tractive effortStarting : 258 kN (58,000 lbf)
Career
OperatorsIndian Railways
Numbers30000-30200 & 35001+
Delivered1995-1996
First run1997
DispositionActive
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