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BS EN 50526-2:2014

Current
Current

The latest, up-to-date edition.

Railway applications. Fixed installations. D.C. surge arresters and voltage limiting devices Voltage limiting devices
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-03-2014

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classes of VLD
5 Characteristics and requirements of the VLDs
6 Type tests
7 Routine tests
Annex A (informative) - Preferred ranges of the principal
        properties of the VLDs
Bibliography

Pertains to Voltage Limiting Devices (VLDs) to be applied in d.c. traction systems in order to comply with protective provisions against electric shock from d.c., and mixed a.c. - d.c. voltages, in accordance with the EN 50122 series, taking into account stray current provisions.

This European Standard applies to Voltage Limiting Devices (VLDs) to be applied in d.c. traction systems in order to comply with protective provisions against electric shock from d.c., and mixed a.c. – d.c. voltages, in accordance with the EN50122 series, taking into account stray current provisions.

VLDs operate in such a way as to connect the track return circuit of d.c. railway systems to the earthing system or to conductive parts within the overhead contact line zone or current collector zone.

Committee
GEL/9/3
DevelopmentNote
Supersedes 12/30235298 DC. (03/2014)
DocumentType
Standard
Pages
36
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN 50526-2:2014 Identical

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EN ISO 4287:1998/A1:2009 GEOMETRICAL PRODUCT SPECIFICATIONS (GPS) - SURFACE TEXTURE: PROFILE METHOD - TERMS, DEFINITIONS AND SURFACE TEXTURE PARAMETERS
ISO 4287:1997 Geometrical Product Specifications (GPS) — Surface texture: Profile method — Terms, definitions and surface texture parameters
EN 50122-1:2011/A4:2017 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRICAL SAFETY, EARTHING AND THE RETURN CIRCUIT - PART 1: PROTECTIVE PROVISIONS AGAINST ELECTRIC SHOCK
EN ISO 4892-1:2016 Plastics - Methods of exposure to laboratory light sources - Part 1: General guidance (ISO 4892-1:2016)
EN 60085:2008 Electrical insulation - Thermal evaluation and designation
EN ISO 4892-3:2016 Plastics - Methods of exposure to laboratory light sources - Part 3: Fluorescent UV lamps (ISO 4892-3:2016)
IEC 60099-4:2014 Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
EN 50526-1:2012 Railway applications - Fixed installations - D.C. surge arresters and voltage limiting devices - Part 1: Surge arresters
EN 50123-1:2003 Railway applications - Fixed installations - D.C. switchgear - Part 1: General
EN 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
EN 50122-2:2010 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - ELECTRICAL SAFETY, EARTHING AND THE RETURN CIRCUIT - PART 2: PROVISIONS AGAINST THE EFFECTS OF STRAY CURRENTS CAUSED BY D.C. TRACTION SYSTEMS
EN 50122-3:2010 Railway applications - Fixed installations - Electrical safety, earthing and the return circuit - Part 3: Mutual Interaction of a.c. and d.c. traction systems
EN 60099-4:2014 Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
IEC 61643-311:2013 Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits for gas discharge tubes (GDT)
IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
EN 50124-1:2017 Railway applications - Insulation coordination - Part 1: Basic requirements - Clearances and creepage distances for all electrical and electronic equipment
EN 50125-2:2002/corrigendum:2010 RAILWAY APPLICATIONS - ENVIRONMENTAL CONDITIONS FOR EQUIPMENT - PART 2: FIXED ELECTRICAL INSTALLATIONS
PREN 50526-3 : DRAFT 2014 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - D.C. SURGE ARRESTERS AND VOLTAGE LIMITING DEVICES - PART 3: APPLICATION GUIDE
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
ISO 4892-3:2016 Plastics Methods of exposure to laboratory light sources Part 3: Fluorescent UV lamps
ISO 3274:1996 Geometrical Product Specifications (GPS) — Surface texture: Profile method — Nominal characteristics of contact (stylus) instruments
EN 50163 : 2004 COR 2013 RAILWAY APPLICATIONS - SUPPLY VOLTAGES OF TRACTION SYSTEMS
ISO 4892-2:2013 Plastics — Methods of exposure to laboratory light sources — Part 2: Xenon-arc lamps
EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
EN ISO 4892-2:2013 Plastics - Methods of exposure to laboratory light sources - Part 2: Xenon-arc lamps (ISO 4892-2:2013)
EN ISO 3274 : 1997 GEOMETRICAL PRODUCT SPECIFICATIONS (GPS) - SURFACE TEXTURE: PROFILE METHOD - NOMINAL CHARACTERISTICS OF CONTACT (STYLUS) INSTRUMENTS
EN 61643-311:2013 Components for low-voltage surge protective devices - Part 311: Performance requirements and test circuits for gas discharge tubes (GDT)

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