IEC 62590:2019

Railway applications - Fixed installations - Electronic power converters for substations

IEC 62590:2019

Name:IEC 62590:2019   Standard name:Railway applications - Fixed installations - Electronic power converters for substations
Standard number:IEC 62590:2019   language:English language
Release Date:22-Aug-2019   technical committee:TC 9 - Electrical equipment and systems for railways
Drafting committee:WG 50 - TC 9/WG 50   ICS number:01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION

IEC 62590
Edition 2.0 2019-08
INTERNATIONAL
STANDARD
Railway applications – Fixed installations – Electronic power converters for
substations




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IEC 62590
Edition 2.0 2019-08
INTERNATIONAL
STANDARD
Railway applications – Fixed installations – Electronic power converters for

substations
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 45.060.01 ISBN 978-2-8322-7066-0

– 2 – IEC 62590:2019  IEC 2019
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 9
3.1 Semiconductor devices and combinations . 9
3.2 Arms and connections . 10
3.3 Controllability of converter arms . 11
3.4 Commutation, quenching and commutation circuitry . 11
3.5 Commutation characteristics . 12
3.6 Rated values . 15
3.7 Load capabilities . 16
3.8 Specific voltages, currents and factors . 17
3.9 Definitions related to virtual junction temperature . 18
3.10 Cooling . 18
3.11 Electromagnetic compatibility and harmonic distortion . 19
4 Symbols . 19
5 Operation of semiconductor power equipment and valve devices . 21
5.1 Classification of traction supply power converters and valves . 21
5.1.1 Types of traction supply power converters . 21
5.1.2 Purpose of conversion . 21
5.1.3 Classification of semiconductor valve devices . 21
5.2 Basic calculation factors for line commutated converters . 22
5.2.1 Voltage . 22
5.2.2 Voltage characteristics and transition current . 22
6 Service conditions . 23
6.1 Code of identification of cooling method . 23
6.1.1 Letter symbols to be used . 23
6.1.2 Arrangement of letter symbols . 24
6.2 Environmental conditions . 24
6.2.1 Ambient air circulation . 24
6.2.2 Normal service conditions . 25
6.2.3 Special service conditions . 26
6.3 Electrical service conditions . 26
6.3.1 General . 26
6.3.2 Limiting values as basis of rating . 26
6.3.3 DC traction supply voltage . 28
7 Converter equipment and assemblies . 28
7.1 Losses and efficiency . 28
7.1.1 General . 28
7.1.2 Included losses . 28
7.2 Power factor . 28
7.3 Electromagnetic compatibility (EMC) . 29
7.4 Rated values for converters . 29
7.4.1 General . 29

7.4.2 Current values . 29
7.4.3 Capability for unsymmetrical load of a 12-pulse converter in parallel
connection . 31
7.4.4 Semiconductor device failure conditions . 32
7.5 Mechanical characteristics . 32
7.5.1 General . 32
7.5.2 Earthing . 32
7.5.3 Degree of protection . 33
7.6 Insulation coordination . 33
7.7 Specifics of line commutated rectifiers . 33
7.7.1 Electrical connections . 33
7.7.2 Calculation factors . 35
7.7.3 Direct voltage harmonic content . 35
8 Tests . 35
8.1 General . 35
8.1.1 Overview . 35
8.1.2 Performance of tests . 36
8.1.3 Test schedule . 36
8.2 Test specifications . 36
8.2.1 Insulation tests . 36
8.2.2 Light load functional test . 38
8.2.3 Load test . 38
8.2.4 Power loss determination . 39
8.2.5 Temperature-rise test . 39
8.2.6 Checking of auxiliary devices . 40
8.2.7 Checking of the properties of the control equipment . 40
8.2.8 Checking of the protective devices . 41
8.2.9 Short-time withstand current test . 41
8.2.10 EMC test . 41
8.2.11 Additional tests . 41
9 Marking . 41
9.1 Rating plate . 41
9.2 Main circuit terminals . 42
Annex A (informative) Information required . 43
A.1 General . 43
A.2 Diode rectifiers . 43
A.2.1 Procurement specification . 43
A.2.2 Supplier's tender specification . 44
A.2.3 Information and data to be given by the supplier during the delivery
stage . 44
A.3 Controlled converters and inverters. 45
A.3.1 Procurement specification . 45
A.3.2 Supplier's tender specification . 46
A.4 Frequency converters (direct and DC link converters) . 46
A.4.1 Procurement specification . 46
A.4.2 Supplier's tender specification . 47
A.5 DC converters . 48
A.5.1 Procurement specification . 48
A.5.2 Supplier’s tender specification . 49

– 4 – IEC 62590:2019  IEC 2019
Annex B (informative) Determination of the current capability through calculation of
the virtual junction temperature . 51
B.1 General . 51
...

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