BS 142-1.2(1982) : 1982
Withdrawn
ELECTRICAL PROTECTION RELAYS - INFORMATION AND REQUIREMENTS FOR ALL PROTECTION RELAYS - SPECIFICATION FOR CONTACT PERFORMANCE
Hardcopy , PDF
English
01-01-1982
08-15-1997
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Withdrawn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 |
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