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

BS 142-4-4.1:1984

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

Status : Withdrawn   Published : April 1984

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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.




Standard NumberBS 142-4-4.1:1984
TitleElectrical protection relays. Requirements for multi-input energizing quantity relays. Specification for biased (percentage) differential relays
StatusWithdrawn
Publication Date30 April 1984
Confirm Date15 August 1992
Withdrawn Date15 August 1997
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Draft Superseded By77/20825 DC81/24881 DC
DescriptorsProtective relays, Relays, Measuring relays, Differential relays, Electrical protection equipment, Quantity, Tolerances (measurement), Test equipment, Circuits, Electrical testing, Current measurement
ICS29.120.70
Title in FrenchRelais de protection électrique. Prescriptions relatives aux relais à plusiers grandeurs d'alimentation d'entrée. Spécification relative aux relais différentiels à pourcentage
Title in GermanElektrische Schutzrelais. Anforderungen an Relais mit mehreren Erregungsgroessen. Stabilisierte Differentialrelais
CommitteePEL/95
ISBN0 580 11958 0
PublisherBSI
FormatA4
DeliveryNo
Pages12
File Size790.2 KB
NotesAt withdrawal it was suggested that users should refer to IEC standards where appropriate.
Price£182.00


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