BS 142-4-4.2:1984废止
Electrical protection relays. Requirements for multi-input energizing quantity relays. Specification for directional relays and power relays
出版：British Standards Institution
专家解读视频
基本信息
标准编号： BS 142-4-4.2:1984
发布时间：1984/4/30 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：12
标准简介
Specifies the performance requirements for relays with two input energizing quantities, and the parameters whose values are to be declared by the manufacturer. Recommends methods of presenting the characteristics and performance of these relays. Does not apply to impedance relays.
标准备注
© British Standards Institution 2013
General notes:
At withdrawal it was suggested that users should refer to IEC standards where appropriate.
等同采用的国际标准
IEC 60255-12 Ed. 1.0 - Similar
