The Indian locomotive class WAG-6B/C is a class of 25 kVACelectric locomotives that was developed in the 1988 by Hitachi for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Goods (G) engine, 6th generation (6) Second/Third variant (B/C). They entered service in 1988. A total of 12 WAG-6 (6 B variant and 6 C variant) were built at Hitachi, Japan between 1987 and 1988. they along with WAG-6A were the most powerful locomotives in India until the arrival of the WAG-9 class.
The history of WAG-6A begins in early 1980s with the aim of addressing the shortcomings of the previous WAG-1, WAG-2, WAG-3, WAG-4 and WAG-5 classes and remove steam locomotives from IR by a target date of 1990.[1] The WAG-5 were a great successes but these locomotives were based on 1960s technology and fast became underpowered for the expanding Indian railways. So Indian Railways decided to look for a new locomotive.[2] At that time (1980s) Thyristor controller was vastly used by locomotive in many European rail networks while 3 Phase AC technology was still in its infancy. So the ministry of railways floated a tender for a 6000HP locomotive with Thyristor control. The following responses were received:
Hitachi submitted their model with 6000 hp with Bo-Bo-Bo bogies and Thyristor chopper control
Hitachi also submitted their model with 6000 hp with Co-Co- bogies and Thyristor chopper control
ASEA submitted their model with 6000 hp with Bo-Bo-Bo bogies and Thyristor chopper control.
Each company submitted their prototypes and Indian Railways designated these prototypes as the WAG-6B class WAG-6C class and WAG-6A class respectively.[3] IR ordered 6 of each class and these were delivered in 1988.[4]
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Specifications
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IT Locomotive Numbers
December 01, 2023
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The Indian locomotive class WAG 6B C is a class of 25 kV AC electric locomotives that was developed in the 1988 by Hitachi for Indian Railways The model name stands for broad gauge W AC Current A Goods G engine 6th generation 6 Second Third variant B C They entered service in 1988 A total of 12 WAG 6 6 B variant and 6 C variant were built at Hitachi Japan between 1987 and 1988 they along with WAG 6A were the most powerful locomotives in India until the arrival of the WAG 9 class Indian locomotive class WAG 6VSKP based WAG 6C locos at Koraput Type and originPower typeElectricDesignerHitachiBuilderHitachiOrder number85 RSF 459 1 LT 33 Build date1988Total producedWAG 6B 6 WAG 6C 6SpecificationsConfiguration UICWAG 6B Bo Bo Bo WAG 6C Co Co CommonwealthWAG 6B Bo Bo Bo WAG 6C Co CoGauge5 ft 6 in 1 676 mm Bogies2 axle double stage field excitationWheel diameterNew 1 140 mm 3 ft 9 in Half worn 1 102 mm 3 ft 7 1 2 in Full worn 1 065 mm 3 ft 6 in WheelbaseWAG 6B 2 200 mm 7 ft 3 in WAG 6C 2 800 mm 9 ft 2 in Length Over beams20 940 mm 68 ft 8 in Body19 640 mm 64 ft 5 in Width3 000 mm 9 ft 10 in Height4 235 mm 13 ft 11 in Frame type2 axle double stage field excitationAxle load20 5 tonnes 20 2 long tons 22 6 short tons 2 Loco weight123 tonnes 121 long tons 136 short tons 1 Sandbox cap 40LPower supply110 V DCElectric system s25 kV 50 Hz AC OverheadCurrent pickup s pantographTraction motorsWAG 6B HS 15556 OIR WAG 6C HS 15256 UIRMU working2 unitsLoco brakeAir Dynamic brakingTrain brakesAirCompressor1 580 L 348 imp gal 417 US gal Safety systemsSlip control Over voltage relay No volt relay Earth fault relay Low pressure governor Train parting alarms and Brake cylinder cutoff valvePerformance figuresMaximum speed100 km h 62 mph Power output StartingMax 6 200 hp 4 620 kW 1 hourMax 6 110 hp 4 560 kW ContinuousMax 6 050 hp 4 510 kW Tractive effort Starting45 000 kgf 440 kN 1 hour32 000 kgf 310 kN Continuous32 000 kgf 310 kN Factor of adh 0 25CareerOperatorsIndian RailwaysNumbersWAG 6B 26010 26015 WAG 6C 26020 26025LocaleKothavalasa Kirandul lineDeliveredDecember 1987 First unit January 1988 remaining 5 First run1988RetiredNovember 2023Preserved1 earmarked from each variantScrappedFrom 2007 to 2015Current ownerIndian RailwaysDispositionAll units withdrawnSome of the locomotives are still in service for shunting and departmental duties with 1 unit from each variant earmarked for preservation Contents 1 History 2 Specification WAG 6B WAG 6C 3 Locomotive shed 4 See also 5 References 6 External linksHistory editThe history of WAG 6A begins in early 1980s with the aim of addressing the shortcomings of the previous WAG 1 WAG 2 WAG 3 WAG 4 and WAG 5 classes and remove steam locomotives from IR by a target date of 1990 1 The WAG 5 were a great successes but these locomotives were based on 1960s technology and fast became underpowered for the expanding Indian railways So Indian Railways decided to look for a new locomotive 2 At that time 1980s Thyristor controller was vastly used by locomotive in many European rail networks while 3 Phase AC technology was still in its infancy So the ministry of railways floated a tender for a 6000HP locomotive with Thyristor control The following responses were received Hitachi submitted their model with 6000 hp with Bo Bo Bo bogies and Thyristor chopper control Hitachi also submitted their model with 6000 hp with Co Co bogies and Thyristor chopper control ASEA submitted their model with 6000 hp with Bo Bo Bo bogies and Thyristor chopper control Each company submitted their prototypes and Indian Railways designated these prototypes as the WAG 6B class WAG 6C class and WAG 6A class respectively 3 IR ordered 6 of each class and these were delivered in 1988 4 Specification WAG 6B WAG 6C editBuilder Hitachi Build dates WAG 6B 1988 WAG 6C 1988 Wheel arrangement WAG 6B Bo Bo Bo WAG 6C Co Co Traction Motors WAG 6B Hitachi HS 15556 OIR bogie mounted force ventilated compound wound 3200 kg WAG 6C Hitachi HS 15256 UIR axle hung nose suspended force ventilated compound wound 3650 kg Transformer WAG 6B C Hitachi AFIC MS 6325 kVA Thyristor controller WAG 6B C 32 CGOIDA thyristors each with 24 DSP2500A diodes 2x720 A 850 V Pantographs WAG 6B C Two Faiveley LV2600Locomotive shed editZone Name Shed Code QuantityEast Coast Railway Visakhapatnam VSKP 5Total Locomotives Active as of April 2023 5 5See also editIndian Railways Rail transport in India History Locomotives of India Rail transport in IndiaReferences edit Report of the expert Committee on Coal Consumption on Railways 1958 INDIAN CULTURE Retrieved 29 April 2020 IRFCA Indian Railways FAQ Locomotives General Information I www irfca org Retrieved 18 April 2020 IRFCA Indian Railways FAQ Locomotives General Information I www irfca org Retrieved 18 April 2020 IRFCA Indian Railways FAQ Diesel and Electric Locomotive Specifications irfca org Retrieved 10 June 2020 e Locos External links edit nbsp Wikimedia Commons has media related to Indian locomotive class WAG6 Specifications India railway fan club IR WAG 6 Trainspo IT Locomotive Numbers Retrieved from https en wikipedia org w index php title Indian locomotive class WAG 6B C amp oldid 1184581829, wikipedia, wiki, book, books, library,
