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Electric Traction 2nd Impression,8177640054,9788177640052

Electric Traction 2nd Impression

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Book Information

Publisher:Allied Publishers Pvt. Ltd.
Published In:2009
ISBN-10:8177640054
ISBN-13:9788177640052
Binding Type:Hardback
Weight:0.95 lbs
Pages:pp. xv + 186, Figures, Tables, Graphs, Biblio.

The Title "Electric Traction 2nd Impression" is written by J. Upadhyay. This book was published in the year 2009. The ISBN number 8177640054|9788177640052 is assigned to the Hardback version of this title. The book displayed here is a 2nd Impression edition. This book has total of pp. xv + 186 (Pages). The publisher of this title is Allied Publishers Pvt. Ltd.. We have about 1650 other great books from this publisher. Electric Traction 2nd Impression is currently Available with us.

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About the Book

The complete system of electric traction is discussed beginning from fundamentals upto practical orientation. In addition, present day state-of-art technologies of electric traction are also presented.

Unique features of the Book include protection of electric loco equipment, preventive and corrective maintenance including reliability and condition monitoring, railway signalling, LEM propelled traction as well as application of computers in Management of electric traction.

About the Author

Shri J. Upadhyay obtained his B.Sc. in electrical Engineering from the Banaras Engineering College, Varanasi in 1957. He taught for two years and subsequently was with Indian Railways in different capacities in a career spanning 35 years.

Dr. s.n. Mahendra obtained his B.Sc. and M.Sc. in electrical engineering from the Banaras Hindu University and subsequently his Ph.D. from the City University of London.

Since 1973 he has been teaching at the Institute of Technology, Banaras Hindu University, Varanasi and is presently Professor-in-Charge of the electric machines and drives lab complex in the same institute.

Contents

Foreword
Preface

I. ELECTRIC TRACTION PRINCIPAL AND History :
1. Introduction
2. Systems of Traction
3. Others Systems of Traction
4. The Indian Scenario vis-a-vis Electric Traction
5. Present-Day State-of-Art
6. Electric Traction as a Viable Transport Strategy for the 21st Century
7. Advantages of Electric Traction over other Systems of Traction, Break-even Point for Electrification; Comparison of Diesel - Electric and Electric Traction
8. Choice of Traction System : Diesel-Electric or Electric

II. MECHANICS OF TRAIN MOVEMENT :
1. Introduction
2. Speed-Time Curve for Train Movement
3. Train Resistance
4. Requirement of Tractive Effort and T-N Curve of a Typical Train Load
5. Specific Fie Energy Consumption
6. Factors Affecting Specific Energy Consumption

III. ADHESION, TYPES OF SUSPENSION AND MECHANISM OF TORQUE TRANSMISSION :
1. Adhesion
2. Electric Traction
3. Coefficient of Adhesion
4. Suspension and Mechanism of Torque Transmission
5. Weight Transfer
6. Effect of Unsprung Mass and Wheel Diameter

IV. TRACTION MOTOR :
1. Introduction
2. Type of Traction Motor Best Suited for Traction Duties
3. Available Motor Characteristics and their Suitability for Traction Duties
4. Rating and Specification of Key Parameters
5. Optimisation of Design and Constructional Features for Improved Power-to-Weight Ratio
6. Three-Phase Induction Drives

V. TRACTION MOTOR CONTROL : PRINCIPLES AND GEAR :
1. Introduction
2. Traction Control of D.C. Locomotives and EMU's
3. Traction Control System of A.C. Locomotives
4. Control Gear
5. PWM Control of Induction Motors

VI. BRAKING-MECHANICAL AND DYNAMIC : PRINCIPLES AND GEAR :
1. Introduction
2. Types of B Raking Systems
3. Essential Requirements of A Good Braking System
4. Important Characteristics of Friction Braking
5. Systems for Generating Breaking Pressure : Vacuum, Air Brake (Automatic or EM Type)
6. Dynamic Braking Systems
7. Conclusion

VII. ELECTRIC TRACTION SUB-SYSTEMS : OVERHEAD EQUIPMENT :
1. Introduction
2. Overhead Equipment (OHE)
3. Sectionalising
4. Bonding of Rails and Masts
5. Materials Employed in OHE

VIII. POWER SUPPLY ARRANGEMENT INCLUDING REMOTE CONTROL AND TARIFF :
1. Power Supply Arrangement for 25 kV Traction System
2. Unbalance on the Grid System
3. Spacing of Substations
4. Strategy to Reduce Voltage Drop by Improving Power Factor
5. Protection of Traction Power Supply System
6. Remote Control Concept : Significance of Auto Reclosing Feature
7. Tariff Strategy

IX. CURRENT COLLECTION GEAR, POWER AND AUXILIARY EQUIPMENT :
1. Current Collection Gear
2. Power Circuit Equipments (Other than Traction Motors)
3. Auxiliary Circuit Equipment of a Locomotive

X. PROTECTION OF ELECTRIC LOCOMOTIVE EQUIPMENT AND CIRCUITS : SAFETY CONSIDERATIONS AND MONITORING :
1. Introduction
2. Broad Strategy for Protection
3. Surge Protection
4. Overload Protection of Main Power Ciruits
5. Earth Fault Protection of Power of Auxiliary Circuits
6. Protection from Overvoltage and Undervoltage
7. Differential Current Protection of Traction Circuits
8. Protection Against High and Low Air Pressure in the Compressed Air Circuit
9. Temperature Monitoring
10. Protection of Transformer by Bucholz Relay
11. Protection Against Accidental Contact with H.T. Equipment
12. Protection Against Fires

XI. PREVENTIVE/CORRECTIVE MAINTENANCE OF ELECTRIC LOCOMOTIVES AND OHE; RELIABILITY ASPECTS, APPLICATION OF CONDITION MONITORING TECHNIQUES :
1. Introduction
2. Types of Maintenance and their Objectives and Maintaibability
3. Special Features of Electric Traction Assets Having Bearing on Maintenance Strategy
4. Attention to Maintainability Aspects at Design/Construction Stage
5. Maintenance of Overhead Equipments
6. Maintenance of Electric Locomotives
7. Condition Monitoring to Achieve Need-Based Maintenance
8. Human Resource Development : Training of Artisans and Supervisors

XII. RAILWAY SIGNALLING :
1. Introduction
2. Block Section Concept : Automatic Block Signalling
3. Track Circuits
4. Colour Light/Semaphore Signals and Interlocking Principle
5. Train Speed and Signalling
6. Solid State Interlocking
7. Automatic Warning Systems
8. CAB Signalling
9. Signalling Level Crossings

XIII. DIESEL ELECTRIC TRACTION AND EXCITATION CONTROL :
1. Introduction
2. Characteristics of Diesel Engine
3. Use of Diesel Engine for Traction Duty
4. Electrical Torque-Converter or Power Transmission System
5. Electrical Transmission Utilizing 3-phase Alternator in Conjunction with a Silicon Diode Rectifier
6. Electrical Transmission using GTO Converter-Inverter Supplying Induction Motors

XIV. LEM-PROPELLED TRACTION: RECENT TRENDS :
1. Introduction
2. Linear Electric Motor
3. Linear Induction-Based Traction System
4. Strengths/Weaknesses of LIM-Propelled Railway Traction
5. Practical Possibilities of LIM-Propelled Transportation
6. Inputs/Modifications for Adoption of LIM Propulsion in the Existing System
7. LIM-Propelled Underground Metro Rail System
8. Wheel-Less Traction
9. Present Scenario

XV. APPLICATION OF COMPUTERS IN MANAGEMENT OF ELECTRIC TRACTION :
1. Introduction
2. Computers' Capability Relevant to Electric Traction Management?
3. Areas of Computer Application in Traction System Management
4. Possible Other Areas for Computer-Controlled Monitoring
5. Conclusion

XVI. NUMERICAL EXERCISES (ILLUSTRATIVE) :
1. Illustrative Worked Out Examples
2. Exercises for Practice

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