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  • BS 142-4-4.1:1984

BS 142-4-4.1:1984

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

BSI Group, 04/30/1984

Publisher: BS

File Format: PDF

$125.00$251.46


Published:30/04/1984

Pages:12

File Size:1 file

Note:This product is unavailable in Ukraine, Russia, Belarus

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.

All current amendments available at time of purchase are included with the purchase of this document.

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