BS 142-1.2(1982) : 1982

Withdrawn

ELECTRICAL PROTECTION RELAYS - INFORMATION AND REQUIREMENTS FOR ALL PROTECTION RELAYS - SPECIFICATION FOR CONTACT PERFORMANCE

Available format(s)

Hardcopy , PDF

Withdrawn date

15-08-1997

Language(s)

English

Published date

01-01-1982

Publisher

British Standards Institution

Describes the conditions for testing the contact performance of electrical protection relays, the criteria of contact failure for such and the assessment of performance data. Gives definitions, rated values, test conditions, assessment of contact performance and presentation of performance data.

Committee	GEL/5
DocumentType	Standard
Pages	2
PublisherName	British Standards Institution
Status	Withdrawn

BS 142-2.1(1982) : 1982	ELECTRICAL PROTECTION RELAYS - REQUIREMENTS FOR THE PRINCIPAL FAMILIES OF PROTECTION RELAYS - SPECIFICATION FOR ALL OR NOTHING ELECTRICAL PROTECTION RELAYS
BS 142-4.1(1984) : 1984	ELECTRICAL PROTECTION RELAYS - REQUIREMENTS FOR MULTI-INPUT ENERGIZING QUANTITY RELAYS - SPECIFICATION FOR BIASED (PERCENTAGE) DIFFERENTIAL RELAYS
BS 142-3.2(1983) : LATEST	ELECTRICAL PROTECTION RELAYS - SPECIFICATION FOR SINGLE INPUT ENERGIZING QUANTITY MEASURING RELAYS WITH DEPENDENT SPECIFIED TIME
BS 142-2.3(1984) : LATEST	ELECTRICAL PROTECTION RELAYS - REQUIREMENTS FOR THE PRINCIPAL FAMILIES OF PROTECTION RELAYS - SPECIFICATION FOR THERMAL ELECTRICAL RELAYS
BS 142-4.2(1984) : 1984	ELECTRICAL PROTECTION RELAYS - REQUIREMENTS FOR MULTI-INPUT ENERGIZING QUANTITY RELAYS - SPECIFICATION FOR DIRECTIONAL RELAYS AND POWER RELAYS
BS 142-2.2(1982) : LATEST	ELECTRICAL PROTECTION RELAYS - REQUIREMENTS FOR THE PRINCIPAL FAMILIES OF PROTECTION RELAYS - SPECIFICATION FOR GENERAL REQUIREMENTS FOR MEASURING RELAYS USED FOR PROTECTION
BS 142-3.1(1983) : LATEST	ELECTRICAL PROTECTION RELAYS - SPECIFICATION FOR SINGLE INPUT ENERGIZING QUANTITY MEASURING RELAYS WITH NON-SPECIFIED TIME OR INDEPENDENT SPECIFIED TIME