ACT (RS) ABB Loco (English) (11. TRACTION POWER CIRCUIT)

10-01-2021

Traction Power Circuit ( WAG-9 & WAP-7)    Traction Power Circuit:  Power from the overhead Catenary is directed to the main transformer, mounted on the locomotive under frame, via the pantograph. The traction circuit is split into two separate circuits after the main transformer. The traction converters can conduct current from the Catenary to the traction motors to provide propulsion, or can act as in the opposite manner conducting, and rectifying, current from the traction motors to the Catenary. This allows the converter to work in both traction and braking mode. During braking the traction motors act as generators feeding power back into the catenary.

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ACT (RS) ABB Loco (English) (34. MEMOTEL)
January 10, 2021

Memotel (Speedometer) For indicating the speed of the loco, memotel type speedometer is provided in both the cab. Speed is indicated by both needle as well as LCD screen of SPM.  For Data entry one push button “A” is provided on SPM When push button ‘A’ is pressed repeatedly following function done.(8 digits) in sequence. 1.

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ACT (RS) ABB Loco (English) (33. MAIN RESERVOIR)
January 10, 2021

Main Reservoir  For shortage of compressed air pressure MR are provided on this loco. In WAP-7 & WAG-9 loco, Two MR and one AR is provided in machine Room in vertical manner. Capacity of MR is 450 liters. Drain coc is provided below each MR, which can be operated from machine room. In WAP-5 MR are located in under truck and each MR

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ACT (RS) ABB Loco (English) (32. MECHANICAL FEATURE OF 3 PHASE LOCO)
January 10, 2021

Miscellaneous  Mechanical features of 3-phase AC loco. The three axles, three motor Co-Co bogie assemblies, is one of the major parts of the Locomotive. Two bogie assemblies support the entire weight of the 3-phase locomotive and provide a means for transmission of the tractive effort to the rails. The bogies are designed to withstand the

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ACT (RS) ABB Loco (English) (31. EMERGENCY BRAKE APPLICATION)
January 10, 2021

An Emergency Braking Operation  Emergency brakes will apply through brake electronics when: 1.Response from the Vigilance module 2.Permitted maximum speed being exceeded 3.Moving of the driver’s brake handle to position EMERGENCY 4.Actuation of the emergency brake cock on the assistant driver’s side 5.Actuation of the emergency

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ACT (RS) ABB Loco (English) (29. ANTI SPIN BRAKE & PARKING BRAKE)
January 10, 2021

Anti Spin Brakes The principal of the anti-spin brake is to provide the traction equipment, with means to obtain a rapid yet light brake application to the driving wheels. The friction thus generated between the brake shoes and the tyres immediately absorbs the torque, which is in excess of the value that can be absorbed by the normal

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Index – Store Department Guide – Indian Railway (English)
January 10, 2021

 INVENTORY MANAGEMENT Scrap Disposal  RETURNED STORES ISSUE AND DISTRIBUTION OF STORES Receipt  And Inspection of stores  TENDER EVALUATION AND MISCELLANEOUS POLICY ISSUES IN  PURCHASES Purchase Procedure on zonal Railways  PURCHASE POLICY PLANNING OF STOCK ITEMS & SYSTEMS OF RECOUPMENT PLANNING OF

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