BS 142-4-4.2:1984廢止
Electrical protection relays. Requirements for multi-input energizing quantity relays. Specification for directional relays and power relays
出版：British Standards Institution
專家解讀視頻
基本信息
標準編號： BS 142-4-4.2:1984
發布時間：1984/4/30 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：12
標準簡介
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.
標準備注
? British Standards Institution 2013
General notes:
At withdrawal it was suggested that users should refer to IEC standards where appropriate.
等同采用的國際標準
IEC 60255-12 Ed. 1.0 - Similar
