1 Scope
This Standard specifies definitions, classfication, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage for surge protective device (SPD) for railway signal system.
This Standard is applicable to production, maintenance, inspection and assessment of surge protective device (SPD) to protect railway signal system from lightning electromagnetic pulse induction damages. It may apply other electronic equipment (communication equipment and computer information system facility) in railroad system by reference.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this Standard. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties whose enter into agreement according to this Standard are encouraged to research whether the latest editions hereof are applied or not. For undated references, the latest edition of the normative document referred to applies.
1 Scope
2 Normative References
3 Terms and Definitions
4 Use Envrionment Conditions
4.1 Normal Service Conditions
4.2 Unusual Service Conditions
5 Structure and Classfication of SPD
5.1 SPD Structure
5.2 Classfication of SPDs
6 Technical Requirements
6.1 Overal requirements
6.2 Electrical Performance Requirements
6.3 Safety Requirements
6.4 Environment Adaptation Test
6.5 Insulation Requirement for Derivatives
7 General Requirements on Tests
7.1 Speciman Arrangement and Connection
7.2 Test Wave Form and Allowable Deviation
8 Test Method
8.1 General
8.2 Test environment
8.3 Overall Inspection
8.4 Protection Perfomance Test
8.5 Safety Test
8.6 Electrical Performance Test
8.7 Environment Adaptation Test
9 Inspection Rules
9.1 Inspection Classification
9.2 Delivery Inspection
9.3 Acceptance inspeciton
9.4 Type Inspection
10 Marking, Packaging, Transportation and Storage
10.1 Documentation
10.2 Marking
10.3 Packaging
10.4 Transportation
10.5 Storage
Appendix A (Normative) Insulation Requirements on Surge Protective Device (SPD) Derivatives
