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BSI BS 142-4-4.1:1984

Electrical protection relays. Requirements for multi-input energizing quantity relays -- Specification for biased (percentage) differential relays
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BSI BS 142-4-4.1:1984

Electrical protection relays. Requirements for multi-input energizing quantity relays -- Specification for biased (percentage) differential relays

PUBLISH DATE 1984
PAGES 12
BSI BS 142-4-4.1:1984
Specifies the performance requirements for the relays and the parameters whose values are to be declared by the manufacturer. Recommends methods of presenting the characteristics and performance of these relays. Applies to relays designed to detect faults, particularly in a.c. generators, motors and transformers. Does not apply to relays designed for busbar protection or to current differential relays.
SDO BSI: British Standards Institution
Document Number 142-4-4.1
Publication Date April 30, 1984
Language en - English
Page Count 12
Revision Level
Supercedes
Committee PEL/95
Publish Date Document Id Type View
April 30, 1984 BS 142-4-4.1:1984 Revision