Universidad de Jaén

Topic 1 Introduction
1.1 Historical milestones
1.2 Guidance methods
1.3 Electric railway traction
1.3.1 Electrical consumption in railway electric traction
1.3.2 Electrical rail system
1.3.3 Train operating stresses
1.3.4 Structure of consumption
1.3.5 Efficiency of the consumption structure
1.3.6 Energy flows
1.4 Electric vehicles
Topic 2. Dynamics of electric traction
2.1. Traction and braking efforts.
2.2. Inertia resistance to accelerate or slow down the train
2.3. Full creep resistance
2.3.1. Resistance to straight line
2.3.2. Curve feed resistance
2.3.3. Resistance to ramps and slopes
2.3.4. Resistance to joint advance in curve and ramp
2.3.5. Complete expression of the train motion equation
2.4. Calculation of the power consumed at each point of the railroad track
2.5. Braking Efforts
2.5.1. Service brakes
2.5.2. Emergency brakes
2.5.3. Magnetic levitation brakes
2.5.4. Brake application conditions
2.5.5. Minimum brake performance
2.6. Dynamics in guided vehicles
2.6.1. Lifting force
2.6.2. Calculation of operating characteristics
2.6.3. Torque
2.6.4. Friction pair
2.6.5. Aerodynamic pair
2.6.6. Inertial torque of rolling masses
2.6.7. Torque accelerator for the vehicle
2.6.8. Torque pair
Topic 3. Design of power lines to the electric traction railway
3.1. Introduction to Power Lines
3.2. Technical requirements to consider
3.2.1. Extrinsic conditions
3.2.2. Intrinsic conditions
Topic 4. Power supply systems
4.1 Introduction
4.2 Power stations
4.3 Power lines
4.4 Substations for electric traction
4.4.1 Basic concepts
4.4.2 Quality in food
4.4.3 Power factor in trains
4.4.4 Coordination of protections
4.4.5 Distribution of substations
4.5 DC Substations
4.6 Single-phase alternating current substation at 16 2/3 Hz frequency
4.7 Single-phase alternating current substation at 50 Hz frequency
4.7.1 Substation with power supply 1 x 25 kV
4.7.2 Substation with 2 x 25 kV power supply 4.8 Power quality control systems
4.8 Recovery of energy in traction.
Unit 5. Electrical power take-off systems
5.1 Previous concepts
5.2 Third Lane
5.2.1 Geometric characteristics of the third rail
5.2.2 Electrical characteristics of the third rail
5.2.3 Mechanical characteristics of the third rail
5.2.4 Types of profiles used for the third lane
5.2.5 Advantages and disadvantages of the third lane
5.3 Aerial conductor profile. Rigid catenary.
5.3.1 Description of rigid catenary system
5.3.2 Speed â€â€âÅ Æ’1;â€â€âÅ Æ’1;of circulation
5.3.3 Characteristics of the aerial conductor profile.
5.3.4 General Mounting Characteristics
5.4 Airline of contact
5.4.1 Elements of the Airline of Contact
5.4.2 Ground wire
5.4.3 Péndolas
5.4.4 Auxiliary cables
5.4.5 Supporting structures
5.4.6 Foundations
5.4.7 Insulators
5.4.8 Catenary Models CA-160
5.4.9 Catenary model CA-220
Topic 6. Electrical characteristics of the catenary
6.1 Introduction
6.2 Determination of the electric resistance of the direct current-fed traction circuit
6.3 Determination of electrical impedance in alternating current catenaries
6.3.1 Equivalent radio of a conductor (Kelvin effect or film)
6.3.2 Reactance and impedance of a circuit considering ground as return
6.3.3 Calculation examples
6.3.4 Comparison of double track impedances
6.3.5 Comparison of Single Track Impedance
6.3.6 Example. Circuit in alternating current 2 x 25 kV, in double track, formed by supporter, contact wire and negative feeder
6.4 Determination of the temperature of the conductors
6.5 Assigned contact line current
6.5.1 Temperature in the contact wires
6.5.2 Distribution of current between the contact, support and pendulum wires Page 11 of 30
6.5.3 Catenary fed from a single end
6.5.4 Catenary fed by both ends without feeder
6.5.5 Catenaries with accompanying feeder
6.5.6 Intensity in the pedestal
6.6 Intensity of contact
6.6.1 Static contact current
6.6.2 Dynamic contact current
6.7 Wiring Interval. Accompaniment feeder
6.8 Short-circuit current at the overhead contact line
6.9 Maximum travel intensity
6.10 Effective value of a continuous direct current
6.11 Limiting the current on the train
6.12 Sections on the pedals
6.13 Sections on power cables
6.14 Voltage drop
6.15 Quality of power supply

Topic 7. Section Isolators and Disconnectors
7.1 Introduction
7.2 Design of an insulator
7.2.1 Isolators for direct current at 3 kV
7.2.2 Level of insulation
7.2.3 Selection of insulators
7.2.4 Shape of insulators. Escape Line
7.3 Construction of insulators
7.3.1 Support and suspension isolators
7.3.2 Chain isolators
7.3.3 Bar Insulators
7.4 Insulator voltage
7.5 Insulator tests
7.6 Section Insulators
7.6.1 Symmetrical
7.6.2 Asymmetric
7.7 Disconnectors
7.7.1 Earthing switch
7.7.2 On-load disconnect switch
7.7.3 Disconnector with remote control
Topic 8. Return circuit in electric traction railway
8.1 Introduction
8.2 Return Currents
8.2.1 Return circuit in alternating current
8.2.2 Direct current return circuit
 8.3 Connection of the return circuit in DC systems
8.3.1 Connection of the return circuit in tracks with insulating joints
8.4 Return connection with track circuits without insulating joints
8.4.1 Joints in circuits without inductive joints
8.5 Conductance of rails to ground
8.5.1 Measurement of conductance in rails
8.5.2 Measuring the longitudinal strength of the rails
8.6 Railway electrification and corrosion
8.6.1 Wandering currents
8.6.2 Protection of metal structures close to railway installations
8.7 Analysis of vagabond currents in railway installations
8.7.1 Wandering currents
8.7.2 Conductance of lanes with respect to earth
8.7.3 Conductance per unit length
8.7.4 Distribution of vagabond streams along the path
8.7.5 Values â€â€âÅ Æ’1;â€â€âÅ Æ’1;of vagabond currents in catenary type installations
8.7.6 Recommendations
Topic 9. Line protections
9.1 General
9.2 Overvoltages on the traction circuit
9.2.1 Overvoltages of external origin
9.2.2 Overvoltages caused by influence of nearby lines
9.2.3 Overvoltages of internal origin to the railway system
9.3 Protections of installations against overvoltages and earth faults
9.3.1 Surge arresters
9.3.2 Coordination of insulation
9.3.3 Ground wire
9.3.4 Earthing
Topic 10. Rolling stock
10.1 Introduction
10.2 Definitions
10.3 Classification of trains
10.3.1 Conventional or towed trains
10.3.2 Self-propelled trains
10.3.3 High-speed trains
10.4 Types of vehicles
10.4.1 Locomotive
10.4.2 Tractors
10.4.3 Cars for travelers
10.4.4 Wagons (for goods)
10.4.5 Vans (for parcels)
10.4.6 Mixed vehicles
10.5 Track Width
10.6 Train interaction with infrastructure
10.6.1 Track (wheel - rail)
10.6.2 Electric power (pantograph - catenary)
10.6.3 Communications (ground-train and radiocommunication
10.6.4 Train Safety Systems
10.7 Metropolitan Railroad
10.8 Trams
10.9 Basic elements of the train
10.10 Wiring diagram, control and control of the power unit
10.10.1 Pantograph
10.10.2 Lightning arresters
10.10.3 Switchbox
10.10.4 Circuit Breaker
10.10.5 Filter
10.10.6 Braking resistors
10.10.7 Inverter
10.10.8 Engines
10.11 Current technology
Topic 11. Electric vehicle
11.1 History and evolution of the electric vehicle
11.2 Main components
11.2.1 Rolling elements
11.2.2 Chassis and bodywork
11.2.3 Operating characteristics of the electric vehicle
11.2.4 Consumption and autonomy
11.2.5 Sizing of an electric vehicle
11.2.6 Demand curve and VE
11.3 Functional components
11.3.1 Electrical system of the vehicle
11.3.2 Motors
11.3.3 Power electronics
11.3.4 Traction batteries
11.3.5 Charging of batteries
11.3.6 Auxiliary technologies and control systems
11.4 Trajectory of the electric vehicle
11.5 Types of electric vehicles
11.5.1 Hybrid Vehicles (HEV)
11.5.2 Hybrid plug-in (PHEV)
11.5.3 Battery-only pure electric (BEV)
11.5.4 Electric vehicles trends
11.5.5 Overview
11.6 Batteries
11.6.1 Types of batteries
11.7 Storage capacity of the different systems
11.8 Storage Costs
11.9 Refueling systems
11.10 Legislation in force
Topic 12. Vehicle electrical system
12.1 Electrical system in the vehicle
12.1.1 Motors
12.1.2 Batteries
12.1.3 Electronic control
12.2 Traction chain
12.2.1 Power supply
12.2.2 Electrical transmission
12.2.3 Mechanical transmission
12.2.4 Drawbar configurations
12.3 Engines in the electric vehicle
12.3.1 Classification of engines
12.3.2 DC motor
12.3.3 Induction motors
12.3.4 Synchronous Motors
12.3.5 Switched reluctance motors
12.3.6 Comparison between engines
12.4 Supply Connections
12.4.1 Power stations
12.4.2 Types of recharging
12.4.3 Characteristics of the traction batteries
12.5 Charger
12.5.1 Components
12.6 Auxiliary technology and control systems
12.7 Instrumentation of the VE
12.8 Braking systems
12.8.1 Regenerative braking
12.8.2 Braking reost

12.9 Uses of electric vehicle
12.9.1 Urban vehicle
12.9.2 Urban Bus
12.9.3 Fleet vehicles
12.10 Advantages of electric vehicle
12.11 Disadvantages of electric vehicle
12.12 Recharge Infrastructure
12.13 Influence of the recharge in the electric network
12.14 Safety of the electric vehicle
Topic 13. Development of current technology
13.1 Electric propulsion technologies
13.1.1 Power converters
13.1.2 Trip Circuits
13.1.2.1 PWM (pulse width modulation).
13.1.3 Semiconductor Review
13.1.4 Comparison of semiconductors in the LV
13.1.5 Regulation and control of DC motors
13.1.6 Regulation and control of AC motors
13.1.7 Regulation and control of brushless AC motors

The lectures to the group are made using the methodology of the magistra class. The contents: exposition of the theoretical bases, general examples, problems derived from the exposed theory and explanatory activities. Online consultations of websites of accredited manufacturers, regulators and
System administrators (ADIF)

Classes in groups of practices, aspects related to the regulation, starting and control of the motors used in electric traction. Problem solving of the dynamics of trains and guided vehicles. Design and differentiating characteristics of the traction substation.

Students with special educational needs should contact the Student Attention Service (Servicio de Atención y Ayudas al Estudiante) in order to receive the appropriate academic support

Objective test on the contents of the subject. It proves that it will consist of questions of rapid response and one or two topics to develop. It can be counted as support material with transparencies exposed in class. This section evaluates the CEL7 competence and learning outcomes 59, 60, 61, 62 and 63

Individual work. It is chosen from a list proposed by the teacher. It will be delivered next to the presentation, in the Virtual Teaching platform. The expansion and contents will be agreed with the teacher.
Teamwork. It will be proposed by the teacher and each student will do a part of it. It will be defended at the end of the course and each student will present the part. The evaluation will be on an individual basis. Maximum duration of group exposure 2 hours, maximum number of components 5. This work evaluates the CEL7 competence and learning outcomes 59, 60, 61, 62 and 63

Through active participation in class participation in discussions participation in group work, the CEL7 competence and learning outcomes 59, 60, 61, 62 and 63 are evaluated