ДСТУ EN 50617-1:2018 Технические параметры систем обнаружения поездов для обеспечения эксплуатационной совместимости трансъевропейской железнодорожной системы. Часть 1. Рельсовые цепи (EN 50617-1:2015, IDT)

ДСТУ EN 50617-1:2018
(EN 50617-1:2015, IDT)

Технічні параметри систем виявлення поїздів для забезпечення експлуатаційної сумісності транс’європейської залізничної системи. Частина 1. Рейкові ланцюги

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms, definitions and abbreviations

3.1 Terms and definitions

3.2 Abbreviations

4 Description of train detection system

5 Safety relevance of parameters

6 Technical track circuit parameters

6.1 TC non-Detection zone

6.1.1 General

6.1.2 Requirements

6.2 Track circuit length

6.2.1 General

6.2.2 TC Minimum length of detection - Requirement

6.2.3 TC Maximum length of detection - Requirement

6.3 Broken rail detection

6.3.1 General

6.3.2 Requirements

6.4 IRJ failure detection

6.4.1 General

6.4.2 Requirement

6.5 Frequency management and relevant parameters of the track circuit

6.5.1 Frequencies and immunity limits

6.5.2 Number of operational channels

6.5.3 Separation between operational channels / channel bandwidth

6.6 Coding

6.6.1 General

6.6.2 Type of coding

6.6.3 Requirements

6.7 Response of the receiver to transient disturbances

6.7.1 General

6.7.2 Switched sinusoidal signal

6.7.3 Other signals

6.7.4 Validation of the response of the receiver to transient disturbances

6.8 RAMS

6.8.1 Reliability

6.8.2 Availability

6.8.3 Maintainability

6.8.4 Safety

6.8.5 Validation of all RAMS parameters

7 Train based parameter - Shunt impedance

7.1 General

7.2 Requirements

8 Track based parameters

8.1 Total impedance of the track

8.1.1 General

8.1.2 Requirements

8.2 Rail to Earth impedance

8.2.1 General

8.2.2 Limits and requirements

8.2.3 Validation

8.3 Rail surface resistance / track quality

8.4 Insulation value of IRJ

8.4.1 General

8.4.2 Requirements and validation

8.5 Type of sleepers / track structure

8.5.1 General

8.5.2 Definition of the parameter

8.5.3 Requirement and validation

8.6 Ballast resistance

8.6.1 General

8.6.2 Definition of the parameter

8.6.3 Requirements for validation

8.7 Maximum time between train movements

8.7.1 General

8.7.2 Definition of the parameter

8.7.3 Requirements and validation

8.8 Unbalance of the return current

8.8.1 General

8.8.2 Requirements and validation

9 Environmental and other parameters

9.1 Signalling power supply quality with respect to availability

9.1.1 General

9.1.2 Requirements and validation

9.2 Traction power supply quality

9.2.1 General

9.2.2 Definition of the parameter

9.2.3 Requirements and validation

9.3 Amount of sand

9.3.1 General

9.3.2 Definition of parameter

9.3.3 Requirements and validation

9.4 Weather, ice and other environmental conditions

9.4.1 Temperature

9.4.2 Pressure/Airflow

9.4.3 Humidity

9.4.4 Precipitation

9.4.5 Solar radiation

9.4.6 Protection level (IP)

9.4.7 Vibrations / shock

9.5 EMC

9.5.1 General

9.5.2 Requirement and validation for EMC with respect to vehicles

9.5.3 Requirement and validation for EMC with radio transmitters

9.5.4 Requirement and validation for overvoltage protection (including indirect lightning effects)

Annex A (informative) Guidance for usual safety relevance of parameters

Annex B (informative) Scenarios for non-detection zone

B.1 Overlap of two detection zones using isolated rail joints (distance x in figure below)

B.2 Overlap of a dead zone in S&C area

B.3 Equipotential wires in S&C area

B.4 Zone without detection in electrical joints

Annex C (informative) Track circuit length

C.1 Introduction

C.2 Example of TC with S-bond

C.2.1 Introduction

C.2.2 TC minimum length depending on the S-bond length

C.2.3 TC minimum length depending on the speed of the train, drop-away delay, route release delay and tolerances

C.2.4 TC Minimum length relating to RST

Annex D (informative) Scenarios for broken rail Relation Track circuit - Broken rail detection

D.1 Basic principle

D.2 Fail safe system

D.3 Examples where the broken rail detection is not possible

D.3.1 S&C area

D.3.2 Single rail isolation

D.3.3 Parallel paths of other tracks circuits or (and) earthing connections

Annex E (informative) Frequency management

E.1 Frequencies and immunity limits

E.1.1 Frequency bands of operation

E.1.2 Parameters for evaluation

E.1.3 TC Compatibility limits

E.1.4 Immunity to in-band interference

E.1.5 Immunity to harmonics frequency from traction power supply (1,5 kHz to 2,65 kHz in DC and 50 Hz power systems only)

E.1.6 Validation of immunity

E.2 Background to development

E.2.1 Introduction

E.2.2 Approach to Frequency Management

E.2.3 Future Track Circuits and Frequency Management

E.2.4 Future RST and Frequency Management

E.2.5 Application of FrM to existing generation Track Circuits

E.3 Frequency management - Emission limits for rolling stock

E.3.1 General

E.3.2 Emission limits for rolling stock supplied under DC power systems

E.3.3 Emission limits for rolling stock supplied under 16,7 Hz power systems

E.3.4 Emission limits for rolling stock supplied under 50 Hz power systems

Annex F (informative) Vehicle Impedance / guidance for RST design to support the FrM

F.1 Definition of the parameter

F.2 Justification of the parameter

F.3 Limits and RST requirements

F.3.1 For DC traction:

F.3.2 For both AC and DC traction:

F.4 Validation of the parameter

Annex G (informative) Example of elements of maintenance for existing track circuits

Annex H (informative) Example of management of shunt impedance

Annex I (informative)

I.1 Physical factors

I.2 Symmetric rail-ground resistance

I.3 Values from experience

I.4 Asymmetric rail-ground resistance

I.5 Touch Potential Effects

Annex J (informative) Example of mechanical test for IRJ

J.1 General

J.2 Testing program

Annex K (informative) Example of existing requirement for the type of sleepers / track structure

K.1 Typical value for a ballast resistance

K.2 Infrabel

K.3 DB

K.3.1 Wooden sleepers

K.3.2 Concrete sleepers

K.3.3 Slab tracks

Annex L (informative) Example of application for different safety requirements

L.1 Lower safety integrity level (less than SIL 4)

L.2 Highest safety integrity level (SIL 4)

Annex ZZ (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2008/57/EC

Bibliography