Standard No.:	YB/T 4122.1-2021
English Name:	Microprocessor-based relaying protection for metallurgy enterprises. Part 1:Management code of practice for operation and technology
Chinese Name:	冶金企业微机继电保护第1部分：运行技术管理规程
Professional Classification:	YB    Professional Standard - Metallurgy
Issued by:	MIIT
Issued on:	2021-3-5
Implemented on:	2021-7-1
Status:	valid
Superseding:	YB/T 4122-2004 Management code of the operation and technology for the microprocessor-based relaying protection
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	165.00
Delivery:	via email in 1~3 business day

本标准规定了微机继电保护的职责分工、装置的性能要求、运行维护管理、检验管理、技术管理，对设计、施工的要求及防范事故措施等方面的要求。
本标准适用于冶金行业3kV及以上电压等级电力设备和线路的微机继电保护。