GB/T 2681-1981
Abolished
T/SMA 0047-2024
Active
Group standards
T/SMA 0047-2024 The method for testing the surface transfer impedance of high-voltage shielded cables and connectors for rail transit
T/SMA 0047-2024 The method for testing the surface transfer impedance of high-voltage shielded cables and connectors for rail transit
Price:
$ 20.00
Basic Information
Standard Code:
T/SMA 0047-2024
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Comprehensive Electrical Engineering
Publish Date:
2024-08-30
Implement Date:
2024-09-15
Pages:
38 pages
Scope
Main technical content: This document specifies the shielding efficiency test procedures and technical methods for high-voltage shielded cables and connectors in rail transit, with a test frequency range of 9 kHz to 30 MHz (which can be extended according to the length of the tested cable and the test device). The test methods specified in this document are applicable to all types of vehicles defined in GB/T 2900.36-2021, such as high-speed trains, locomotives, passenger cars, subways, light rail vehicles, trams, and medium- and low-speed maglev trains, etc.
Development Information
Related Standards
GB/T 2682-1981
Abolished
GB/T 2682-1981 Colors of indicator lights and push-buttons used in electrical assembly devices
GB/T 3926-1983
Replaced
GB/T 3926-1983 Rated voltage for medium frequency equipment
GB/T 4064-1983
Abolished
GB/T 4064-1983 General guide for designing of electrical equipment to satisfy safety requirements
GB/T 4776-1984
Replaced
GB/T 4776-1984 Electrical safety terminology
GB/T 5080.4-1985
Active