DIESEL LOCO – LUBE OIL SYSTEM

05-01-2021

LUBE OIL SYSTEM    Purpose -To lubricate and cool the diesel engine equipment with filtered, cooled and pressurized lube oil.  Description – Forced lubrication system is used in diesel locomotive, detail of system is as - Lower portion of engine crank case, it termed as lube oil sump, its capacity is 1210 litters. To fill the lube oil filling cap is provided on free end engine right side. Dipstick gauge is provided near R5 cylinder for measuring lube oil level. Dipstick gauge having 0-600 litters marking each mark of 20 litters. While checking lube oil level engine should be on idle condition and crank case exhauster motor should be in ON position. Lube oil pump is

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ACT (RS) ABB Loco (English) (11. TRACTION POWER CIRCUIT)
January 10, 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

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

Main Transformer    General: 25 KV, 1-phase, AC Supply is taken from OHE catenary/ contact wire through pantograph, roof equipment and VCB (DJ). The same supply is fed to charge the “ parallel induction transformer” where it is stepped down to different operating voltage. .   The tank is filled with transformer oil:    • In

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ACT (RS) ABB Loco (English) (8. PANTO & MCPA)
January 10, 2021

Pantograph    Two pantographs are provided on either end of loco. Design of pantograph is same as other AC locos. For raising and lowering of pantograph one switch ‘ZPT’ is provided on panel ‘A’ having 3 positions, UP , Off and DOWN.    When we press switch down ward (i.e. position UP) and release - panto will up.    When we

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ACT (RS) ABB Loco (English) (9. POTENTIAL TRANSFORMER)
January 10, 2021

TRACTION POWER    Potential transformer-.The primary voltage transformer is situated on the converter roof hatch and attached to the pantograph via the roofline. The primary voltage transformer reduces the catenary voltage, approximately 25 KV, to 200 volts AC. A resistor is placed across the primary voltage TFP to provide a reference load.

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ACT (RS) ABB Loco (English) (7. BATTERY)
January 10, 2021

Battery    In ABB loco NiCD Battery is used. There are total 78 cells in the batteries which are placed in 2 boxes at either side of the locomotive. Each box contains 39 cells and each battery has 3 cells. Capacity of battery is 199 A-H and output is 110 V. To charge the battery, one battery charger is provided with circuit breaker no. 110

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ACT (RS) ABB Loco (English) (5. FAULT DIAGNOSTIC)
January 10, 2021

Faults With Priority.1:    - The action to be taken is entirely clear. - The action to be taken must be initiated immediately. - A protective action is initiated (VCB OFF) - BPFA will glow. - LSFI will flicker. - Priority-1 message will display on screen Faults With Priority-2:  - The action to be taken is not entirely clear. -

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