YB/T 4122-2004
Management code of the operation and technology for the microprocessor-based relaying protection (English Version)

Standard No.

YB/T 4122-2004

Language

Chinese, Available in English version

Release Date

2004

Published By

Professional Standard - Ferrous Metallurgy

Status

Be replaced 2021-07

Replace By

YB/T 4122.2-2021

YB/T 4122.1-2021

Latest

YB/T 4122.2-2021

YB/T 4122.1-2021

Scope

This standard specifies the division of responsibilities of microcomputer relay protection, device performance requirements, operation and maintenance management, overhaul management, technical management, design and construction requirements and accident prevention measures. This standard is applicable to microcomputer relay protection of power equipment and lines with voltage levels of 3kV and above in the metallurgical industry.

YB/T 4122-2004 Referenced Document

• DL/T 478-2001 General specifications for static protection, security and automatic equipment
• GB 4208-1993 Degrees of protection provided by enclosure (IP code)
• GB/T 2887-2000 Specification for electronic computer field
• GB/T 9361-1988 Safety requirements for computation center field

YB/T 4122-2004 history

• 2021 YB/T 4122.2-2021 Microcomputer relay protection for metallurgical enterprises Part 2: Inspection procedures
• 2004 YB/T 4122-2004 Management code of the operation and technology for the microprocessor-based relaying protection