GB/T 25890.8-2010
Railway applications.Fixed installations.DC switchgear.Part 7-2:Mearsurement、control and protection devices for specific use in d.c traction systems.Isolating current transducers and other current measuring devices (English Version)

Standard No.: GB/T 25890.8-2010
Language: Chinese, Available in English version
Release Date: 2011
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 25890.8-2010

Scope: This part of GB/T 25890 specifies the requirements for isolated current transmitters and other current measuring equipment used in rail transit DC facilities and ground installations. The transmitter is usually installed between the sensor or rail of the primary side equipment of the switchboard and the secondary side equipment to provide electrical isolation for the input and output.

GB/T 25890.8-2010 Referenced Document

EN 50124-1:2001 Railway applications - Insulation coordination Part 1: Basic requirements - Clearances and creepage distances for all electrical and electronic equipment (Incorporates Amendments A1: 2003 and A2: 2005; Incorporating corrigendum May 2010)
GB/T 25890.1-2010 Railway applications.Fixed installations.DC switchgear.Part 1:General
IEC 62236 Railway applications - Electromagnetic compatibility - Part 5: Emission and immunity of fixed power supply installations and apparatus*， 2018-02-15 Update

2011 GB/T 25890.8-2010 Railway applications.Fixed installations.DC switchgear.Part 7-2:Mearsurement、control and protection devices for specific use in d.c traction systems.Isolating current transducers and other current measuring devices