本书为《铁路通信电源 第5部分：交流配电设备 TB/T2993.5-2016》的英译本《Railway Communication Power Supply Part 5:Alternating Current Distribution Equipment.》。内容包括：范围，规范性引用文件，术语与定义，环境适应需求，技术需求，外观和结构要求，试验方法，试验原则，标记、包装、运输和储存，附录。

Foreword
1 Scope
2 Normative References
3 Terms,Definitions And Abbreviations
3.1 Terms and Definitions
3.2 Abbreviations
4 Requirements on Environmental Adaptability
4.1 Temperature
4.2 Relative Humidity
4.3 Atmospheric Pressure
4.4 Vibration
4.5 Other Requirements
5 Requirements on Appearance and Structure
5.1 Appearance
5.2 Structure
6 Technical Requirements
6.1 Equipment Specifications
6.2 AC Input
6.3 AC Output
6.4 Connecting Wire
6.5 Protection and Alarm
6.6 Indication
6.7 Shunt of Lighting Assurance
6.8 Monitoring Interface
6.9 Temperature Rise
6.10 Reliability
6.11 Safety Requirements
6.12 Color Sign
6.13 Audio-Frequency Noise
6.14 Electromagnetic Compatibility
6.15 Lightning Protection
6.16 Earthing
7 Test Methods
7.1 Test of Environmental Conditions
7.2 Instrument and Equipment for Test
7.3 Appearance and Structural Test
7.4 Test of Allowable Range of Variation of Input Power Supply
7.5 Test of Input Power Supply Switchover
7.6 Test of Output Shunt
7.7 Test of Connecting Wire
7.8 Test of Protection and Alarming of Input Power Supply
7.9 Test of Protection and Alarming of Output Shunt
7.10 Test of Indication
7.11 Test of Monitoring Interface
7.12 Test of Temperature Rise
7.13 Test of Reliability
7.14 Test of Safety Requirements
7.15 Test of Color Sign
7.16 Test of Audio-Frequency Noise
7.17 Test of Electromagnetic Compatibility
7.18 Test of Lightning Protection
7.19 Test of Earthing
7.20 Test of Environment
8 Test Rules
8.1 Test Classification
8.2 Delivery Test
8.3 Type Test
8.4 Test Item
9 Sign,Packaging,Transport and Storage
9.1 Product Sign
9.2 Packaging
9.3 Transport
9.4 Storage
Appendix A(Normative)Recommended Instruments and Equipment for Test