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510:, AC Current (A), Passenger traffic (P) locomotive, 1st generation (1). They entered service in late 1981. A total of 65 WAP-1 were built at CLW between 1980 and 1996, which made them the most numerous class of mainline electric passenger locomotive until its successor, the
567:
The locomotive is powered by six axle-hungs, nose-suspended forced ventilated type DC traction motors. Speed control is achieved by grouping in 2S-3P combination and by field weakening of the motor. It utilises a silicon rectifier for conversion of AC power into DC.
672:
571:
They are being converted to make them suitable for multiple operations. Compressed air brakes for the locomotives and vacuum brakes for the train are provided. The brake system is being modified to make them suitable for dual brakes.
589:
The WAP-3 was the upgraded variant of the WAP-1 with a higher top speed of 140 km/h. All units of this class were WAP-1 units already in service. The first locomotive converted was a WAP-1 22005
533:, the WAP-1 locomotives were relegated to hauling smaller express and passenger trains and now the aging fleet the WAP-1 locomotives are being slowly withdrawn from mainline duties and scrapped.
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Slip control, over-voltage relay, main overload relay, earth-fault relay, low-pressure governor, brake cylinder cutoff valve, train parting alarms and No OHE volt relay
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593:. Subsequently 8 more WAP-1 were converted, but since the class were not a great success and had performance issues, these were converted back to WAP-1 in 1997.
553:
class. Designed for both passenger and goods trains the WAM-4 was one of the most successful locomotives of the 1970s and a mainstay of the Indian
Railways.
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142:
536:
As of March 2024, 55 locomotives still retain "operational status" on the mainline as WAP-1, with further examples having been converted to WAP-4.
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of Indian
Railways, and has provided the basic design for a number of other locomotives like
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In the early 1980s, Indian
Railways began considering developing a passenger version of its
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985:[IRFCA] Indian Railways FAQ: Locomotives—Specific classes : AC Electric
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990:[IRFCA] Indian Railways FAQ: Diesel and Electric Locomotive Specifications
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and WAP-4 models. However, with the advent of new 3-phase locomotives like
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179:(cast steel bogies); primary and secondary wheel springs with bolsters
875:"[IRFCA] A Brief History of Railway Electrification in India"
272:
176:
642:
AJJ WAP-1 with WAP-4 livery hauls
Trivandrum-bound Guwahati Express
601:
One WAP-1 locomotive, 22004, has been preserved at
Arakkonam shed.
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Five prototype locomotives of this type were ordered from
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WAP-1 22076 Aastha of GZB with Agra-bound ICE at LJN
666:
12497 (NDLS-ASR) Shaan-e-Punjab
Express with a WAP-1
27:Indian Railway passenger class electric locomotive
1851:
517:The WAP-1 is India's first dedicated electric
419:22,400 kgf (220 kN; 49,000 lbf)
205:Full worn: 1,016 mm (3 ft 4 in)
1019:
921:"Electric Locomotive Roster: The WAP Series!"
772:Total locomotives active as of September 2024
575:The WAP-1 provided the basis for the WAP-4.
980:Electric Locomotive Roster: The WAP Series!
1026:
1012:
450:22000–22076, many being converted to WAP-4
1885:Chittaranjan Locomotive Works locomotives
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187:New: 1,092 mm (3 ft 7 in)
14:
1875:Railway locomotives introduced in 1980
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189:Half worn: 1,055 mm (3 ft
695:
24:
297:25 kV 50 Hz AC
25:
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938:"Dedicated Passenger Locomotives"
618:2925 Paschim Express with a WAP-1
285:112,000 kg (247,000 lb)
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792:Rail transport in India#History
654:AJJ WAP-1 in full WAP-4 livery.
277:18,800 kg (41,400 lb)
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827:Great Indian Peninsula Railway
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690:WAP-1 with Raj Livery at Delhi
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498:that was developed in 1980 by
13:
1:
1870:Electric locomotives of India
909:. October 9, 1989. p. 1.
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585:Indian locomotive class WAP-3
544:
500:Chittaranjan Locomotive Works
399:3,800 hp (2,834 kW)
73:Chittaranjan Locomotive Works
506:. The model name stands for
484:The Indian locomotive class
7:
1880:5 ft 6 in gauge locomotives
832:class of 1928 may disagree.
785:
578:
382:130 km/h (81 mph)
10:
1901:
907:rdso.indianrailways.gov.in
861:rdso.indianrailways.gov.in
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995:11081 Colour Photographs
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807:Rail transport in India
562:Howrah Rajdhani Express
396: • Continuous
736:North Eastern Railway
416: • Starting
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1197:IGR standard designs
1166:World War II designs
1038:locomotives of India
923:. September 3, 2016.
802:Locomotives of India
519:passenger locomotive
496:electric locomotives
900:"Railmanak Lucknow"
854:"Railmanak Lucknow"
374:Performance figures
1462:WDS-4 (4A, 4B, 4D)
863:. October 9, 1989.
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418:
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387:Power output:
385:
381:
379:Maximum speed
377:
372:
368:
360:
356:
352:
350:
346:
343:
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186:
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160:1,676 mm
158:
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141: •
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130: •
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63:
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50:
43:
38:
33:
30:
19:
1739:WAGC3/WAG-10
1642:
1328:(3B, 3E, 3F)
1054:BESA designs
957:
945:. Retrieved
941:
915:
906:
894:
882:. Retrieved
878:
869:
860:
848:
821:
781:
771:
600:
590:
588:
574:
570:
566:
555:
548:
535:
516:
485:
483:
349:Train brakes
100:
29:
1597:AC electric
1491:DC electric
1100:IRS designs
1035:Broad-gauge
597:Presevation
540:Development
471:Disposition
466:One (22004)
282:Loco weight
77:West Bengal
1854:Categories
1773:Mixed type
1605:Mixed type
1499:Mixed type
1293:Mixed type
947:August 10,
840:References
741:Izzatnagar
545:Background
337:Loco brake
313:Pantograph
87:Build date
61:Power type
1828:Passenger
1820:Dual mode
1785:WCAM-2/2P
1719:WAG-6B/6C
1636:Passenger
1540:Passenger
1351:Passenger
1219:WL (1955)
1214:WL (1939)
963:"e-Locos"
712:Quantity
709:Shed code
463:Preserved
437:Operators
353:Air ,Dual
273:Axle load
267: in)
249: in)
227: in)
203: in)
177:Flexicoil
90:1980–1996
1765:electric
1457:WDS-3/4C
1440:Shunting
1393:WDG-2/3A
1363:WDP-2/3A
884:June 19,
786:See also
723:Alambagh
579:Variants
411:
391:
301:Overhead
125:
64:Electric
591:Jawahar
447:Numbers
331:TAO 659
262:⁄
244:⁄
222:⁄
198:⁄
69:Builder
1835:WDAP-5
1806:WCAG-1
1790:WCAM-3
1780:WCAM-1
1749:WAG-12
1744:WAG-11
1714:WAG-6A
1431:WDG-6G
1421:WDG-4G
1326:WDM-3D
1320:WDM-3A
1310:WDM-2G
1285:Diesel
474:Active
455:Locale
432:Career
325:Alstom
254:Height
210:Length
172:Bogies
148:Co′Co′
101:WAP-1:
1799:Goods
1734:WAG-9
1729:WAG-8
1724:WAG-7
1709:WAG-5
1704:WAG-4
1699:WAG-3
1694:WAG-2
1689:WAG-1
1682:Goods
1673:WAP-7
1668:WAP-6
1663:WAP-5
1658:WAP-4
1653:WAP-3
1648:WAP-2
1643:WAP-1
1627:WAM-4
1622:WAM-3
1617:WAM-2
1612:WAM-1
1583:WCG-2
1578:WCG-1
1571:Goods
1562:WCP-4
1557:WCP-3
1552:WCP-2
1547:WCP-1
1531:WCM-6
1526:WCM-5
1521:WCM-4
1516:WCM-3
1511:WCM-2
1506:WCM-1
1477:WDS-8
1472:WDS-6
1467:WDS-5
1452:WDS-2
1447:WDS-1
1426:WDG-5
1411:WDG-4
1386:Goods
1368:WDP-4
1358:WDP-1
1342:WDM-7
1337:WDM-6
1332:WDM-4
1315:WDM-3
1305:WDM-2
1300:WDM-1
1046:Steam
903:(PDF)
857:(PDF)
813:Notes
759:Erode
630:WAP-1
551:WAM-4
531:WAP-7
527:WAP-5
523:WAP-3
512:WAP-4
486:WAP-1
232:Width
155:Gauge
81:India
35:WAP-1
18:WAP-1
1322:(3C)
949:2024
886:2019
830:EA/1
825:The
763:EDDX
745:IZND
727:AMVD
706:Name
703:Zone
529:and
502:for
1188:AWC
1183:CWD
1178:AWE
1173:AWD
776:54
766:24
748:15
730:15
558:CLW
342:Air
329:CLW
143:UIC
136:C-C
132:AAR
1856::
1415:4D
1405:3D
1401:3C
1397:3B
1376:4D
1374:,
1372:4B
1244:WW
1239:WV
1234:WU
1229:WT
1224:WM
1209:WG
1204:WP
1157:XS
1152:XT
1147:XP
1142:XH
1137:XG
1132:XF
1127:XE
1122:XD
1117:XC
1112:XB
1107:XA
1091:HT
1086:HG
1081:AP
1076:HP
1071:PT
1066:SG
1061:SP
997:,
940:.
929:^
905:.
877:.
859:.
564:.
514:.
493:AC
490:kV
264:16
246:32
224:32
220:29
103:65
79:,
75:,
1417:)
1413:(
1407:)
1403:,
1399:,
1395:(
1378:)
1370:(
1027:e
1020:t
1013:v
965:.
951:.
888:.
407::
327:/
260:3
242:5
239:+
237:5
217:+
215:7
200:2
196:1
193:+
191:5
166:)
162:(
20:)
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