1 Scope
This standard specifies the power supply mode, traction substation, cables, contact line system, protection device of traction power supply and main performance index and equipment operation index of power dispatching, etc. of D.C. traction power supply system for urban rail transit.
This standard is applicable to D.C. traction power supply system for urban rail transit.
This standard is not applicable to power supply system for urban tramway.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding corrigendum) or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents apply. For undated reference, the latest edition of the normative documents referred to applies.
GB/T 2900.36 Electrotechnical Terminology - Electric Traction
GB/T 14549 Quality of Electric Energy Supply - Harmonics in Public Supply Network
GB 50062 Code for Design of Relaying Protection and Automatic Device of Industrial and Civil Electric Power Installations
GB 50217 Code for Design of Cables of Electric Engineering
GBJ 64 Specifications for the Design of Surge Protection of Industrial and Civil Electric System
CJJ 49 Technical Regulation for Protection against Subway Stray Current Corrosion
3 Terms and Definitions
For the purposes of this standard, the terms and definitions established in GB/T 2900.36 and those listed below apply.
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Power Supply Mode
5 Traction Substation
6 Cables
7 Contact Line System
8 Protection Device of Traction Power Supply
9 Power Dispatching
Appendix A (Informative) Main Technical Requirements of DC Breaker
Appendix B (Informative) Main Technical Requirements of Rectifier
Appendix C (Informative) Main Technical Requirements of Traction Rectifier Transformer
