This part specifies terms and definitions, test requirements and test methods of railway signal power supply panel (hereinafter referred to as equipment under test).
This part is applicable to equipment under test like railway all-relay interlocking signal power supply panel, computer-interlocking signal power supply panel, hump signal power supply panel, block section signal power supply panel, 25Hz signal power supply panel, etc. Test items of various equipment under test will be subjected to and technical indexes shall be specified in inspection rules of corresponding technical standard.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of TB/T 1528. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this part of TB/T 1528. However parties to agreements based on this part of TB/T 1528 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 2423.1-2001 Environmental Testing for Electric and Electronic and Electronic Products - Part 2: Test Methods - Tests A: Cold (idt IEC 60068-2-1: 1990)
GB/T 2423.2-2001 Environmental Testing for Electric and Electronic Products - Part 2: Test Methods - Tests B: Dry Heat (idt IEC 60068-2-2: 1974)
GB/T 2423.4-1993 Basic Environmental Testing Procedures for Electric and Electronic Products - Test Db: Damp Heat, Cyclic (eqv IEC 68-2-30: 1980)
GB/T 3768-1996 Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Pressure - Survey Method Using an Enveloping Measurement Surface over a Reflecting Plane (eqv ISO 3746: 1995)
GB 4208-1993 Degrees of Protection Provided by Enclosure (IP Code) (eqv IEC 529: 1989)
GB 4943-2001 Safety of Information Technology Equipment (idt IEC 60950: 1999)
GB 7251.1-1997 Low-voltage Switchgear and Controlgear Assemblies - Part 1: Type-tested and Partially Type-tested Assemblies (idt IEC 439-1: 1992)
GB 9254-1998 Information Technology Equipment - Radio Disturbance Characteristics - Limits and Methods of Measurement (idt CISPR 22: 1997)
GB/T 14048.1-2000 Low-voltage Switchgear and Controlgear - General Rules (eqv IEC 60947-1: 1999)
GB/T 14715-1993 Generic Specification of Uninterruptible Power Supply for Information Technical Equipment
GB/T 16927.1-1997 High Voltage Test Techniques - Part 1: General Test Requirements (eqv IEC 60-1: 1989)
GB/T 17626.2-1998 Electromagnetic Compatibility - Testing and Measurement Techniques - Radiated, Radio-frequency, Electromagnetic Field Immunity Test (idt IEC 61000-4-2: 1995)
GB/T 17626.3-1998 Electromagnetic Compatibility - Testing and Measurement Techniques - Radiated, Radio-frequency, Electromagnetic Field Immunity Test (idt IEC 61000-4-3: 1995)
GB/T 17626.4-1998 Electromagnetic Compatibility - Testing and Measurement Techniques - Electrical Fast Transient/Burst Immunity Test (idt IEC 61000-4-4: 1995)
GB/T 17626.5-1999 Electromagnetic Compatibility - Testing and Measurement Techniques - Surge Immunity Test (idt IEC 61000-4-5: 1995)
GB/T 17626.6-1998 Electromagnetic Compatibility - Testing and Measurement Techniques - Immunity to Conducted Disturbances Induced by Radio-frequency Fields (idt IEC 61000-4-6: 1996)
JB/T 3085-1999 Code for Package and Transport of Electric-drive Controlgear
QJ 2633-1994 General Technical Conditions for Crimped Connections in Mould Pressing Type
TB/T 1528.1-2002 Railway Signal Power Supply Panel - Part 1: General Rules
TB/T 1528.3-2002 Railway Signal Power Supply Panel - Part 3: All-relay Interlocking Signal Power Supply Panel
TB/T 1528.4-2002 Railway Signal Power Supply Panel - Part 4: Computer-interlocking Signal Power Supply Panel
TB/T 1528.5-2005 Railway Signal Power Supply Panel - Part5: Hump Signal Power Supply Panel
TB/T 1528.6-2002 Railway Signal Power Supply Panel - Part 6: Block Section Signal Power Supply Panel
TB/T 1528.7-2002 Railway Signal Power Supply Panel - Part 7: 25Hz Signal Power Supply Panel
TB/T 2468-1993 Evaluation Methods of Reliability Requirement for Railway Signal Product
3 Terms and Definitions
For the purpose of this part, the following terms and definitions apply.
3.1
accuracy
consistent degree between the measuring result and the measured true value
3.2
stability
capability of measuring instrument keeping its metrological characteristics constant along with time
3.3
verification
approval indicating that the specified requirements have been met by inspecting and providing objective evidence
3.4
a.c. voltage distortion
ratio of root-mean-square value of harmonic content to root-mean-square value of nonsinusoidal wave periodic function (expressed in percentage)
3.5
failure
equipment under test losing specified function
TB/T 1528.2-2005 The following standards are cited：
