रेलवे के महत्वपूर्ण विभागों के सामान्य कार्य

21-11-2021

General Functions of Important Departments of

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DIESEL LOCO – Transition Combination
January 5, 2021

Transition Combination   Transition Combination of traction motors are changed automatically on predetermined speed of Loco is called Transition. It is required to increase traction motor speed so that Loco speed can be increased. Back EMF of traction motor restrict Loco speed even on eighth notch. To increase speed Back EMF is controlled

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DIESEL LOCO – General Data Of WDG – 3A Locomotive
January 5, 2021

WDG3A Diesel Electric locomotive  W – Broad gauge D - Diesel Engine G – Goods Service   3A –Engine Horse Power -3100 HP  This loco is having up rated Diesel engine fitted with fuel efficient kit, Napier or GE make TSC, incorporated IRAB1 and facilitated with AC – DC transmission. Main compartments of WDG3A Loco from

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DIESEL LOCO – POWER PACK
January 5, 2021

DIESEL LOCO - POWER PACK  Specialty of WDG/3A loco engine   1. 251-B Up rated type  2. ‘V’ type cylinder arrangement  3. Total 16 cylinder  4. Four stroke cycle  5. Single acting  6. High speed  7.  Water cooled  8. Force lubricated  9. Super charged  10. Quality

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DIESEL LOCO – Propulsion Control Circuit
January 5, 2021

Propulsion Control Circuit   To move the locomotive, supply of Traction Alternator is send to traction motor through Power contactor, BKT, Reverser. This circuit is design to pickup above electro pneumatic contactor as and when require. In this circuit as per speed of locomotive two combination of traction motor are changed and during

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DIESEL LOCO – GFC CONTROL CIRCUIT
January 5, 2021

GFC CONTROL CIRCUIT     To move the loco, field of Traction Alternator is to be excited by exciter generator. This work is done with the help of GFC contactor. It is electro magnetic contactor. To pickup this contactor GFC coil circuit is designed. This circuit starts from wire no. 13. When both control stand GFCO kept in close and MH

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DIESEL LOCO – Engine Speed Control (WW Governor)
January 5, 2021

Engine Speed Control (WW Governor) Throttle and DMR circuit - This circuit starts from wire no. 50 which energizes when MB2 is kept ON. Supply of wire no. 50 goes to wire no.16D - 16A when MCB1 & 2 kept ON. Supply of wire no.16A goes to 16 through MH Idle & MH in Motoring position of both control stands. When wire no.16 gets

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