Traction Handmade Notes | Jharkhand Polytechnic 5th sem Traction Notes | Polytechnic Notes

Jharkhand Polytechnic 5th Semester Electrical Branch Traction Handmade Notes By - TEB

Electric Traction Topic & Sub Topic

1 Traction Systems and Latest Trends

1.1 Explain the present scenario of Indian Railways – High speed traction, Metro 

1.2 Detail the latest trends in traction- Metro, monorail, Magnetic levitation Vehicle 

1.3 Explain types of traction systems and their significance – Steam, diesel, diesel-electric, Battery and electric traction systems 

1.4 Explain the general arrangement of different types of Electric traction systems and their significance – General arrangement of D.C.,A.C. single phase, 3 phase, Composite systems 

1.5 Choice of traction system – Diesel - Electric or Electric 

2 Mechanics of Train Movement 

2.1 Draw the speed time curve related to different traction system Analysis of speed time curves for main line, suburban and urban services 

2.2 Solve numerical based on speed time curve - Simplified speed time curves , Relationship between principal quantities in speed time curves 

2.3 Calculate specific energy consumption- Requirement of tractive effort 

2.4 State the factors affecting Specific energy consumption -Specific energy consumption and factors affecting it.

3 Traction Motors and Their Control 

3.1 State the desirable features of traction motors. 

3.2 Explain Significance of D.C. series motor over D.C. Shunt motor - Significance of D.C. series motor as traction motor 

3.3 Explain working of various A.C. motors as traction motors - A.C. Traction motors – single phase, Three phase, Linear Induction Motor 

3.4 Comparison between different traction motors 

3.5 Apply various control methods applied to traction motors - Series – parallel control, Open circuit, Shunt and bridge transition, Pulse Width Modulation control of induction motors 

3.6 Explain different types of electric braking system 

4 Electric Locomotives and Auxiliary Equipment 

4.1 Classify electric locomotive -Important features of electric locomotives 

4.2 Describe the function of auxiliaries in traction system -Different types of locomotives 

4.3 Describe the different current collecting methods in locomotives Current collecting equipment 

4.4 Explain different control and auxiliary equipment used in the locomotive 

4.5 Describe the power conversion and transmission systems - Power conversion and transmission systems 

4.6 Explain Coach wiring and lighting devices-Coach wiring and lighting devices 

5 Feeding and Distribution System. 

5.1 Explain the distribution & feeder system pertaining to traction distributions and feeders 

5.2 Classify traction substations - Requirements and selection 

5.3 Describe different methods of feeding the traction sub- station - Method of feeding the traction sub-station

Notes By 

Anjan Sir

B.Tech:- EE

M.Tech:- Power system

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