This class started with a batch of 10 locos (#30000-30010, skipping #30008) imported from ABB / AdTranz in 1995 (Actually 11 were imported but one (#30008) was damaged by fire in transit and deemed unusable on arrival. It was then used as a bank of spare parts for the others.) These are among the few currently [5/99] with IR to have an advanced design with GTO thyristor converters and 3-phase asynchronous motors. CLW has been manufacturing the motors since Feb. 24, 2000. Rated top speed is 160km/h, although in trials a WAP-5 loco is said to have been run at 184km/h. Continuous power at wheel rim is 4000kW (5450hp). A WAP-5 can take a 24-coach passenger train to 110km/h in 324 seconds. Wheel arrangement is Bo-Bo. Auxiliaries from ABB, Howden Safanco, BEHR, etc. [1/03] Although these are officially rated at 160km/h, one of these has been tested by CLW at up to 184km/h. These locos are intended for use with high-speed medium load trains such as the Rajdhani and Shatabdi trains, in contrast to the WAP-7 (see below) which is more powerful but which is intended for lower-speed haulage of heavier trains.
Other notable features of this loco are the provision of taps from the main loco transformers for hotel load, pantry loads, flexible gear coupling, wheel-mounted disc brakes, and a potential for speed enhancement to 200km/h. 78t weight. Braking systems include regenerative braking (160kN), loco disc brakes, automatic train air brakes, and a charged spring parking brake. MU operation possible with a maximum of two locos.
[2/00] Currently, [9/03] four indigenous WAP-5’s from CLW (first one built May 17, 2000) with somewhat different contours, and electricals from BHEL, are homed at Ghaziabad shed. (#30011 ‘Navodit’, #30012, ‘Navajagaran’, #30013 ‘Navakriti’, and #30014).
Being homed at sheds in the north, they are understandably in use for northern routes, but recently [12/01] some have been spotted regularly as far south as Chennai. In 2000, plans were announced for variants with 6000hp power and 200km/h capability to be manufactured, but nothing has been heard since on that front. After the first four were built by CLW, there seems to have been a pause in the manufacture of this class at CLW, and as of [11/04], more were expected to be produced but it was not known when production would resume. A problem with the Hurth coupling and its indigenous replacement seem to have been part of the delay, but the locally manufactured components have now [12/04] passed trials.
Air-conditioning: The original design called for these locos to have air-conditioned cabs. This, however, has been dogged by controversy over costs and fitment, and the first units made by CLW do not have air-conditioned cabs. One of the ABB units, #30000, does have air-conditioning, fitted by the Ghaziabad shed as an experiment. The Ghaziabad shed may be planning to retrofit some of its other WAP-5 locos with air-conditioning.
- Manufacturers: ABB / CLW
- Traction Motors: ABB’s 6FXA 7059 3-phase squirrel cage induction motors (1150kW, 2180V, 370/450A, 1583/3147 rpm) Weight 2050kg. Forced-air ventilation, fully suspended. Torque 6930/10000Nm. 96% efficiency.
- Gear Ratio: 67:35:17. (3-stage gears)
- Transformer: ABB’s LOT-7500. 7475kVA primary, 4x1450kVA secondary.
- Power Drive: Power convertor from ABB, type UW-2423-2810 with SG 3000G X H24 GTO thyristors (D 921S45 T diodes), 14 thyristors per unit (two units). Line convertor rated at 2 x 1269V @ 50Hz, with DC link voltage of 2180V. Drive convertor rated at 2180V phase to phase, 953A output current per phase, motor frequency from 0 to 160Hz.
- Axle load: 19.5t
- Bogies: Bo-Bo Henschel Flexifloat; bogie centre distance 10200mm; bogie wheel base 2800mm
- Unsprung mass per axle: 2.69t
- Pantographs: Two Stone India (Calcutta) AN-12.
- Wheel diameter: 1092mm new, 1016mm worn
- Wheel base: 13000mm
- Length over buffers: 18162mm
- Length over headstocks: 19280mm
- Body width: 3142mmn
- Cab length: 2434mm
- Pantograph locked down height: 4537mm
- Tractive Effort: 26.3t
A 24-coach (1430t) passenger rake can be accelerated to 110km/h in 312 seconds (over 6km) by a WAP-5; to 120km/h in 402 sec. (6.9km); and to 130km/h in 556 sec. (14.2km).